September Weather in Santa Elena, Ecuador

Last updated: August 21, 2025

Experience the delightful September weather in Santa Elena, Ecuador, where temperatures range from a comfortable 18°C (65°F) to a maximum of 29°C (84°F). The average temperature hovers around 23°C (73°F), providing an inviting climate for outdoor activities. While you might encounter some light rain, with 19 mm (0.8 in) of precipitation spread over 4 days, the high humidity at 86% adds to the lush, tropical atmosphere. Enjoy this blend of warmth and occasional showers as you explore the vibrant culture and stunning landscapes of Santa Elena!

September Temperature in Santa Elena

In September, Santa Elena experiences a pleasant climate characterized by moderate temperatures. With a minimum of 18°C (65°F) and an average of around 23°C (73°F), the month marks a slight dip in temperatures as it transitions from the warmer months. The maximum temperature of 29°C (84°F) reflects a comfortable warmth ideal for outdoor activities. This month maintains the trend towards cooler weather observed since August, offering a refreshing escape from the sweltering summer heat. As the season shifts, visitors can expect a delightful blend of warmth and moderateness, making September an inviting time to explore the beauty of Santa Elena.

September Weather in Santa Elena: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Elena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Elena, 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).
JanFebMarAprMayJunJulAugSepOctNovDec798181807775737273737476
Data source: Temperature data for Santa Elena 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 Santa Elena

In September, Santa Elena experiences a slight lull in precipitation, receiving 19 mm (0.8 in) of rain over just 4 days. This modest rainfall marks a continuation of the dry trend established in the earlier months of August and July, where precipitation levels dropped significantly. After the heavier downpours of March and February, which saw totals of 183 mm (7.2 in) and 126 mm (4.9 in) respectively, September serves as a transitional period as the region begins to shift toward its drier season. The diminishing rainfall is a reminder of the climatic nuances that characterize this beautiful coastal area, offering a brief respite before the precipitation picks up again in October.

September Precipitation Trends in Santa Elena

The chart displays monthly precipitation patterns in Santa Elena, 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 Santa Elena, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5812618370593116131920841
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Elena

In Santa Elena, Ecuador, September experiences a notable humidity level of 86%, contributing to the region's tropical climate. Over the course of the year, humidity tends to fluctuate, peaking at 88% in both January and December, while dipping to its lowest at 84% during July and August. The months preceding September show a slight increase, with data reflecting a consistent moisture level of 86% in both September and October. This trend indicates that while September is slightly less humid than the peak months at the beginning and end of the year, it still maintains a rich atmospheric moisture that characterizes the coastal environment throughout the seasons.

September Average Humidity in Santa Elena

This chart illustrates the average monthly humidity levels in Santa Elena, 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 Santa Elena is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%86%84%87%87%84%84%86%86%87%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Elena

In September, Santa Elena, Ecuador experiences a UV Index of 13, classified as extreme with a brisk burn time of just 10 minutes. This month aligns closely with the overall trend observed throughout the year, where a consistently high UV Index promotes significant sun exposure risks. Notably, September offers a slight increase from the previous months of July and August, which recorded an Index of 11, while still trailing behind the peak levels seen in March at 15. As the seasons transition, it remains crucial for visitors and locals alike to take necessary precautions to protect their skin. For detailed information on UV intensity throughout the year, explore Santa Elena UV Index.

Maximum UV Index Levels in Santa Elena for September

The chart shows the monthly maximum UV Index (UVI) for Santa Elena 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 Santa Elena typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141311111113121212
Data source: Santa Elena 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 Santa Elena

September in Santa Elena, Ecuador, enjoys a delightful 302 hours of sunshine, reflecting a consistent trend of bright and sunny days as the year progresses. This month typically sees a slight moderation from the peak sunshine in April and August, both boasting 313 hours. However, as the days start to shorten heading into autumn, September still maintains a healthy amount of sunlight, comparable to the summer months of July (306 hours) and May (302 hours). Overall, the sunshine hours appear to follow a graceful arc, peaking mid-year before settling into a vibrant yet mellow rhythm, ensuring Santa Elena remains a warm backdrop for adventures well into early fall.

Monthly Sunshine Duration in Santa Elena: September Highlighted

The September sunshine duration represents the total number of hours Santa Elena 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.
JanFebMarAprMayJunJulAugSepOctNovDec242h269h297h313h302h292h306h313h302h298h296h308h
Data source: Santa Elena September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santa Elena During September

In Santa Elena, Ecuador, the likelihood of sunny weather in September hovers around 18%, aligning closely with the percentages seen in March and November. This moderate chance of sunshine is part of a broader trend as the region transitions from the typically drier months of late spring and early summer, with May peaking at 31%. Interestingly, as the year progresses, the chances of sunny days experience fluctuations; while June and July offer a slightly better opportunity for clear skies at 28% and 27% respectively, September settles back into a more typical late winter pattern. Overall, while September may not boast the highest likelihood of sunshine, it certainly contributes to the charming array of weather variations that make Santa Elena an intriguing destination year-round.

Percentage of Sunny Days in September in Santa Elena

The chart illustrates the percentage of sunny days in Santa Elena 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 Santa Elena experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%15%18%21%31%28%27%15%19%20%18%18%
Data source: Santa Elena September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santa Elena in September

In September, Santa Elena, Ecuador enjoys a generous 12 hours of daylight, characteristic of most months throughout the year. This consistent duration showcases a remarkable trend where, aside from the shorter 11-hour days in June and July, the available daylight predominantly hovers around the half-day mark. The equal lengths of daylight in the earlier months of the year, combined with the gradual return to full daylight in August, reflect the region's stable equatorial climate. As September transitions into the final months of the year, this steady rhythm of daylight ensures ample opportunities for outdoor activities and a vibrant connection with nature.

Average Daylight Hours in Santa Elena for September

The chart illustrates the variation in daylight duration in Santa Elena throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 13m12h 9m12h 6m12h 2m12h11h 59m11h 59m12h 1m12h 4m12h 8m12h 12m12h 14m
Data source: Santa Elena daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Santa Elena

As September unfolds in Santa Elena, Ecuador, the average wind speed reaches 3.2 m/s (7 mph), marking a gentle increase from the previous months. This steady upward trend, peaking through the late summer months, reflects a transition toward the breezier conditions typical of the region. From a modest 2.4 m/s (5 mph) in January to September’s notable 3.2 m/s, the escalating winds seem to usher in the refreshing tones of early fall. With the winds picking up momentum, locals and visitors alike can enjoy the invigorating gusts that accompany the colorful tapestry of September's sunsets, making it a perfect time to embrace the great outdoors.

Average September Wind Speed in Santa Elena

The chart displays monthly wind speed patterns in Santa Elena, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.31.92.22.82.93.03.13.2 m/s3.13.23.0
Data source: Santa Elena September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Santa Elena Compares to Other Months

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

September and January exhibit distinct contrasts in weather patterns. In September, temperatures range significantly from a minimum of 18°C (65°F) to a maximum of 29°C (84°F), with an average of 23°C (73°F). The month sees relatively low precipitation of 19 mm (0.8 in) over just 4 days, and humidity is quite high at 86%. In contrast, January is warmer, with minimum temperatures rising to 21°C (70°F) and maximums reaching up to 33°C (91°F), averaging 26°C (79°F). However, it is also wetter, with precipitation amounting to 58 mm (2.3 in) across 11 days, while humidity remains slightly higher at 88%. For more detailed information, check out Santa Elena weather in January.

When comparing the weather in September and February, there are notable differences in temperature and precipitation. September features a milder climate with minimum temperatures around 18°C (65°F) and an average of 23°C (73°F), while February sees warmer conditions with a minimum of 23°C (74°F) and an average of 27°C (81°F). Precipitation varies significantly as well, with September receiving only 19 mm (0.8 in) of rain over 4 days, whereas February experiences much heavier rainfall totaling 126 mm (4.9 in) over 18 days. Both months have high humidity levels, hovering around 86% in September and slightly higher at 87% in February. For more details on the weather in February, visit Santa Elena weather in February.

Comparing the weather in September and March reveals distinct differences in temperature and precipitation levels. In September, temperatures range from a minimum of 18°C (65°F) to a maximum of 29°C (84°F), with an average of 23°C (73°F) and relatively low precipitation of 19 mm (0.8 in) over just 4 days. In contrast, March experiences warmer temperatures, with a minimum of 23°C (73°F), an average of 27°C (81°F), and a maximum of 32°C (90°F). However, March is significantly wetter, receiving 183 mm (7.2 in) of rain across 19 days, while maintaining a consistent humidity of 86%. For more detailed information, you can check Santa Elena weather in March.

When comparing the weather in September and April, we see notable differences in temperature and precipitation. September generally experiences milder conditions, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 29°C (84°F). The month receives relatively low precipitation, totaling about 19 mm (0.8 in) over just four days, along with high humidity levels of 86%. In contrast, April tends to be warmer, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 33°C (92°F). This month also receives significantly more rainfall, with precipitation reaching 70 mm (2.7 in) across 12 days, while humidity remains fairly consistent at 84%. For more detailed information on April's weather, you can check Santa Elena weather in April.

September and May present distinct weather characteristics that reflect the transition from late winter to early summer. In September, temperatures range from a minimum of 18°C (65°F) to a maximum of 29°C (84°F), with an average of 23°C (73°F) and relatively low precipitation of 19 mm (0.8 in) over just 4 days. In contrast, May is warmer, with temperatures starting at 20°C (69°F) and soaring to a maximum of 32°C (89°F), averaging 25°C (78°F). However, May experiences significantly more rainfall, with 59 mm (2.3 in) over 13 days, contributing to a slightly higher humidity level of 87%. For more details about the weather in May, visit Santa Elena weather in May.

When comparing the weather of September and June, we notice some distinct differences. September tends to be slightly cooler, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 29°C (84°F), while June features higher temperatures, with a minimum of 20°C (69°F) and reaching up to 31°C (87°F). Additionally, September experiences less precipitation, totaling 19 mm (0.8 in) over four days, compared to June's 31 mm (1.2 in) over seven days. Humidity levels are very similar in both months, with September at 86% and June at 87%. For more detailed information about June weather patterns, you can refer to Santa Elena weather in June.

In comparison to July, September experiences slightly cooler temperatures, with a minimum of 18°C (65°F) compared to July's minimum of 20°C (68°F). Both months have a similar average temperature of around 23°C (73°F), but September boasts a slightly higher maximum temperature of 29°C (84°F) compared to July's max of 28°C (83°F). Precipitation levels are relatively low in both months, with September receiving 19 mm (0.8 in) over 4 days, slightly higher than July's 16 mm (0.6 in) also over 4 days. Humidity remains high in both months, with September at 86% and July slightly lower at 84%. For more details, check out Santa Elena weather in July.

In comparing the weather of September and August, both months exhibit similar temperature ranges, with September featuring a minimum temperature of 18°C (65°F) and a maximum of 29°C (84°F), while August records a minimum of 18°C (66°F) and a maximum of 28°C (83°F). The average temperatures remain close, at 23°C (73°F) in September and 22°C (73°F) in August. However, September experiences slightly more precipitation, with 19 mm (0.8 in) over four days compared to August’s 13 mm (0.5 in) over three days. Humidity levels are also slightly higher in September at 86%, compared to 84% in August. For more detailed insights, you can check Santa Elena weather in August.

In comparing the weather of September and October, we notice that both months maintain a similar average temperature of around 23°C (73°F). However, October experiences slightly warmer minimum temperatures, at 20°C (67°F), compared to September's 18°C (65°F). The maximum temperatures remain consistent at 29°C (84°F) for both months. Precipitation levels are nearly equivalent, with September recording 19 mm (0.8 in) over 4 days and October slightly increasing to 20 mm (0.8 in) over 5 days. Humidity levels stay constant at 86%, creating a consistently warm and humid environment throughout this transition. For more detailed information, you can check Santa Elena weather in October.

In comparing the weather between September and November, both months exhibit similar average temperatures, with November slightly warmer at a minimum of 20°C (68°F) compared to September's 18°C (65°F). However, both months reach a maximum temperature of 29°C (85°F). September experiences more precipitation, totaling 19 mm (0.8 in) over 4 days, while November has a significantly lower precipitation of just 8 mm (0.3 in) across 2 days. Humidity levels are slightly higher in November at 87% compared to September's 86%. For a more detailed look at November weather, you can check out Santa Elena weather in November.

September and December both offer warm weather, but there are notable differences between the two months. In September, temperatures range from a minimum of 18°C (65°F) to a maximum of 29°C (84°F), with an average of 23°C (73°F), and the month experiences approximately 19 mm (0.8 in) of precipitation over about 4 days. In contrast, December sees slightly higher temperatures, with a minimum of 21°C (70°F) and a maximum of 31°C (88°F), averaging 25°C (76°F). However, it also brings increased rainfall, totaling around 41 mm (1.6 in) over 8 days. Humidity remains fairly high in both months, fluctuating from 86% in September to 88% in December. For more detailed information, you can check Santa Elena weather in December.

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Conclusion: What to Expect From September Weather in Santa Elena

As September unfolds in Santa Elena, visitors can expect a delightful blend of warm temperatures and lush landscapes. While the average warmth remains comfortable, the month becomes a notable transition with slightly increased humidity, making it a unique experience compared to the drier months of the year. Although rain is minimal, with only a few days of precipitation, the vibrant greenery flourishes, creating a picturesque backdrop for exploration. For a deeper understanding of how these conditions shape the area's climate throughout the year, check out Santa Elena Climate.