September Weather in Punta del Este, Uruguay

Last updated: August 28, 2025

Experience the delightful September weather in Punta del Este, Uruguay, where temperatures gracefully transition from a cool minimum of 7°C (44°F) to a comfortable maximum of 23°C (73°F), averaging around 13°C (56°F). This month brings a blend of refreshing ocean breezes and a 76% humidity level, ensuring a vibrant coastal atmosphere. Expect about 90 mm (3.5 in) of rainfall spread over 8 days, infusing the landscape with lushness and charm. Whether you're basking in the sun or enjoying the occasional drizzle, September offers a unique seaside experience in this stunning destination.

September Temperature in Punta del Este

In September, Punta del Este begins to shake off the winter chill, presenting a refreshing transition as temperatures start to rise. With minimums around 7°C (44°F) and maximums peaking at 23°C (73°F), the average temperature rests comfortably at 13°C (56°F). This month marks a notable change from the colder depths of winter, inviting visitors to experience the beauty of early spring in this coastal paradise. As the days grow longer and warmer, the blend of mild temperatures creates an ideal environment for outdoor activities, setting the stage for a vibrant season ahead.

September Weather in Punta del Este: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Punta del Este, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Punta del Este, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec717270676156535456596467
Data source: Temperature data for Punta del Este generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Punta del Este

In September, Punta del Este experiences a moderate amount of rainfall, averaging 90 mm (or 3.5 inches) across approximately 8 days of precipitation. This marks a slight dip from the 94 mm recorded in August, yet it still aligns with the trend of relatively consistent rainfall as the region transitions into spring. The precipitation levels in September contribute to the lush landscapes characteristic of the area, while maintaining a balance that ensures sunny days are still prevalent. As the month progresses, the overall precipitation begins to decrease gradually, leading into drier months ahead, yet September remains a pivotal month where the last whispers of winter meet the burgeoning warmth of spring.

September Precipitation Trends in Punta del Este

The chart displays monthly precipitation patterns in Punta del Este, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Punta del Este, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec61787698851251209490815357
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Punta del Este

As September rolls in Punta del Este, Uruguay, the humidity levels begin to settle at a comfortable 76%, reflecting a gradual decline from the peak of 82% in May. This month acts as a transitional phase, following the humid winter months, as the coastal air starts to dry out slightly heading into spring. Interestingly, while humidity levels remain relatively high compared to earlier months, they are noticeably lower than the peak summer figures, hinting at a shift towards a more temperate climate. The trend shows a steady decline from the heavy summer months, creating an inviting atmosphere for both locals and visitors alike, making September an enjoyable time to experience the beauty of this vibrant coastal city.

September Average Humidity in Punta del Este

This chart illustrates the average monthly humidity levels in Punta del Este, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Punta del Este is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%69%73%79%83%80%72%72%76%71%68%65%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Punta del Este

In September, Punta del Este experiences a very high UV Index of 8, with an estimated burn time of just 15 minutes. This indication of increased solar intensity marks a transition from the lower levels seen in the winter months and serves as a reminder for sun protection. As the region moves toward the peak summer months, the UV Index trends upward, reflecting the need to stay vigilant about UV exposure. Visitors should be cautious and prepare accordingly, as the sun can be quite fierce even as spring begins. For those looking to monitor UV levels throughout the year, detailed insights can be found at Punta del Este UV Index.

Maximum UV Index Levels in Punta del Este for September

The chart shows the monthly maximum UV Index (UVI) for Punta del Este in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Punta del Este typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311753468111314
Data source: Punta del Este September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Punta del Este

As September unfolds in Punta del Este, Uruguay, the sun begins to reclaim its strength with 258 hours of glorious sunshine. This gradual increase signals a shift from the cooler winter months, where June and July offered only 202 and 209 hours, respectively. September’s brightened days pave the way for the blossoming summer, consistently improving through October's impressive 305 hours. Following a seasonal pattern, the sunny optimism peaks in November and December, showcasing 343 and 387 hours of radiant sunshine. This delightful trend invites both locals and travelers to embrace the vibrant coastal charm of Punta del Este as it transitions into its sun-kissed summer season.

Monthly Sunshine Duration in Punta del Este: September Highlighted

The September sunshine duration represents the total number of hours Punta del Este experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec303h316h325h255h239h202h209h241h258h305h343h387h
Data source: Punta del Este September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Punta del Este During September

In September, Punta del Este experiences a notable dip in sunny weather, with only a 37% chance of sunshine. This marks one of the lower probabilities for the year, following the winter months of June and July, which hover around the 41% to 51% range. As the season transitions into spring, the likelihood of clearer skies begins to improve, with October soaring to a much more promising 67%. Overall, September serves as a turning point, hinting at the approaching warmer weather while still holding on to remnants of the cooler, cloudier months. If you're planning a trip during this time, be prepared for the possibility of mixed weather, as the sun begins its gradual return to this scenic coastal paradise.

Percentage of Sunny Days in September in Punta del Este

The chart illustrates the percentage of sunny days in Punta del Este throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Punta del Este experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%48%47%65%44%41%51%50%37%67%51%66%
Data source: Punta del Este September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Punta del Este in September

In September, Punta del Este begins to shake off the winter chill, with daylight extending to an inviting 11 hours. This marks the gradual transition from the shorter days of winter to the longer days of spring, as the region experiences a slight increase in sunlight compared to the 9 hours in June and July. As daytime lengths continue to climb, following a pattern of longer days through the spring months, Punta del Este emerges as a vibrant destination where longer daylight beckons visitors to enjoy its stunning beaches and lively atmosphere. The rhythm of the seasons is palpable, setting the stage for a refreshing October with 12 hours of daylight.

Average Daylight Hours in Punta del Este for September

The chart illustrates the variation in daylight duration in Punta del Este throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 10m13h 19m12h 14m11h 9m10h 15m9h 49m10h 3m10h 51m11h 53m12h 59m13h 57m14h 26m
Data source: Punta del Este daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Punta del Este

As September unfolds in Punta del Este, Uruguay, the coastal breeze begins to pick up, with an average wind speed of 6.5 m/s (15 mph) that gently invigorates the seaside atmosphere. This month marks a transition from the calmer gusts of August, which saw a drop to 4.8 m/s (11 mph), signaling the return of more vibrant winds as spring approaches. Interestingly, September’s winds are in line with the higher averages seen from May to July, where speeds hovered between 6.7 m/s (15 mph) and 7.2 m/s (16 mph). Following a minor lull, the winds seem to regain their momentum, ushering in a refreshing energy that complements the picturesque landscapes and lively beach culture. With trends indicating a gradual rise in wind activity as spring takes hold, September in Punta del Este is a delightful time to embrace the captivating allure of the coast.

Average September Wind Speed in Punta del Este

The chart displays monthly wind speed patterns in Punta del Este, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.06.45.76.27.17.26.74.86.5 m/s5.96.65.7
Data source: Punta del Este September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Punta del Este Compares to Other Months

Weather in Punta del Este varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Punta del Este, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January showcase contrasting weather conditions. In September, temperatures range from a cool minimum of 7°C (44°F) to a comfortable average of 13°C (56°F), with a maximum reaching up to 23°C (73°F). The month experiences a relatively high level of precipitation at 90 mm (3.5 in) spread over 8 days, coupled with a humidity level of 76% that can make it feel quite damp.

In contrast, January brings significantly warmer weather, with temperatures starting at a mild 17°C (62°F) and averaging around 22°C (71°F), peaking at a balmy 30°C (86°F). Precipitation decreases to 61 mm (2.4 in) over just 4 days, and the humidity drops to 63%, making the conditions feel more comfortable and suitable for outdoor activities. For more details on January weather, you can visit Punta del Este weather in January.

The weather in September contrasts significantly with that of February. In September, temperatures range from a cool 7°C (44°F) at night to a mild 23°C (73°F) during the day, with an average of 13°C (56°F). This month also sees 90 mm (3.5 in) of precipitation over about 8 days, accompanied by relatively high humidity at 76%. In contrast, February boasts warmer temperatures, with nighttime lows of 17°C (63°F) and daytime highs reaching 29°C (84°F), averaging 22°C (72°F). Precipitation levels drop slightly to 78 mm (3.1 in) over the same number of rainy days, and humidity is lower at 69%. Overall, February presents a much warmer and drier atmosphere compared to the cooler, wetter conditions of September. For more details, see Punta del Este weather in February.

When comparing the weather in September and March, we can see notable differences in temperature and precipitation. September tends to be cooler, with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 23°C (73°F), while March offers a warmer climate, featuring an average minimum of 15°C (58°F) and a maximum of 27°C (81°F). Both months experience similar levels of precipitation, with September receiving 90 mm (3.5 in) and March slightly less at 76 mm (3.0 in), although both have precipitation on about 8 days. Humidity levels are fairly comparable, sitting at 76% in September and slightly lower at 73% in March. For more specific details about the weather during this time, you can check Punta del Este weather in March.

In comparing the weather between September and April, noticeable differences emerge in both temperature and overall conditions. September experiences cooler temperatures with a minimum of 7°C (44°F) and an average of 13°C (56°F), while April sees a slight increase with a minimum of 13°C (56°F) and an average of 19°C (67°F). The maximum temperatures also rise significantly, from 23°C (73°F) in September to 28°C (82°F) in April. Precipitation levels are similar, with September receiving 90 mm (3.5 in) and April slightly higher at 98 mm (3.9 in), both occurring over eight days. Humidity is a little elevated in April at 79% compared to 76% in September, contributing to the overall feeling of warmth in spring. For more detailed information, check out Punta del Este weather in April.

In comparing September and May, both months share a similar maximum temperature of 23°C (73°F), but the average temperature in May is noticeably warmer at 16°C (61°F), compared to September's 13°C (56°F). September begins to cool down with minimum temperatures dropping to 7°C (44°F), whereas May's minimum is slightly higher at 10°C (50°F). Rainfall is quite similar, with September receiving 90 mm (3.5 in) over 8 days and May experiencing slightly less at 85 mm (3.4 in) across 9 days. Additionally, humidity levels are higher in May at 82%, compared to 76% in September. For more detailed information, you can check out Punta del Este weather in May.

In comparing the weather between September and June, we can observe several notable differences. September generally experiences a broader range of temperatures, with minimums around 7°C (44°F) and maximums reaching up to 23°C (73°F), while June tends to have a cooler average, peaking at 20°C (69°F). Both months share similar minimum temperatures, but September's higher maximum contributes to a more variable climate. Precipitation is also a factor; September has 90 mm (3.5 in) over 8 days, whereas June sees more rain, totaling 125 mm (4.9 in) across 11 days, making it the wetter month. Humidity levels are slightly higher in June at 80%, compared to 76% in September. For a more detailed overview of the weather conditions specific to June, you can visit Punta del Este weather in June.

In comparing the weather between September and July, September tends to be slightly warmer, with temperatures averaging around 13°C (56°F) compared to July's average of 12°C (53°F). While both months share the same minimum temperature of 7°C (44°F), July has a slightly lower maximum temperature of 21°C (70°F) versus September's 23°C (73°F). Precipitation is more frequent in July, with 120 mm (4.7 in) recorded over 11 days, compared to September's 90 mm (3.5 in) over 8 days. Despite higher rainfall, humidity levels remain close, with July at 72% and September at 76%. For more detailed information, you can visit Punta del Este weather in July.

September weather shows a slight warming trend compared to August, with average temperatures rising from 12°C (54°F) in August to 13°C (56°F) in September. While both months share similar minimum temperatures of around 7°C, September boasts a higher maximum temperature of 23°C (73°F) compared to August's 20°C (68°F). Precipitation levels are comparable, with September receiving 90 mm (3.5 in) and August seeing 94 mm (3.7 in), both over 8 days. However, September has a bit more humidity at 76%, compared to 72% in August. For a detailed look at August's conditions, you can visit Punta del Este weather in August.

September and October show a notable transition in weather patterns. In September, temperatures range from a minimum of 7°C (44°F) to a maximum of 23°C (73°F), with an average of 13°C (56°F). The month experiences about 90 mm (3.5 in) of precipitation over 8 days, alongside a relatively high humidity of 76%. October, on the other hand, sees slightly warmer temperatures, with a minimum of 8°C (46°F) and a maximum of 25°C (78°F), leading to an average of 15°C (59°F). Precipitation decreases slightly to 81 mm (3.2 in) over 9 days, and humidity drops to 71%. This shift hints at a gradual warming and a slight reduction in moisture as the seasons progress. For more details on specific conditions, check out Punta del Este weather in October.

In September, the weather is characterized by cooler temperatures, with a minimum of 7°C (44°F) and an average of 13°C (56°F), peaking at 23°C (73°F). This month experiences more precipitation, totaling 90 mm (3.5 in) over about 8 days, along with relatively high humidity at 76%. In contrast, November brings milder conditions, with temperatures ranging from a minimum of 12°C (53°F) to an average of 18°C (64°F), reaching highs of 26°C (78°F). Precipitation decreases to 53 mm (2.1 in) over just 5 days, and humidity lowers to 68%. For a closer look at the November climate, check out Punta del Este weather in November.

In comparing the weather between September and December, a notable shift can be observed. September offers cooler temperatures, with a minimum of 7°C (44°F) and an average of 13°C (56°F), peaking at 23°C (73°F). This month also experiences higher precipitation at 90 mm (3.5 in) over 8 days, and higher humidity levels at 76%. In contrast, December brings warmer conditions with a minimum of 13°C (56°F) and an average of 20°C (68°F), reaching a maximum of 27°C (82°F). It also enjoys less rainfall, with only 57 mm (2.3 in) occurring over 5 days and humidity dropping to 65%. For a detailed look at December weather specifics, you can check Punta del Este weather in December.

Compare Punta del Este's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Punta del Este

As September unfolds in Punta del Este, the transition from winter to spring becomes palpable, bringing a refreshing change to the coastal landscape. Unlike the chill of the previous months, the weather starts warming up, with milder temperatures inviting visitors to enjoy the early spring vibe. However, the lingering humidity and occasional rainfall, averaging about eight days of precipitation, remind us of the variability inherent in this season. Overall, September offers a unique blend of comfortable days and cooler nights, setting the stage for the vibrant summer ahead. For more insights on what to expect throughout the year, check out the detailed Punta del Este Climate.