September Weather in Araraquara, Brazil

Last updated: August 21, 2025

In September, Araraquara, Brazil experiences a dynamic climate marked by a maximum temperature soaring to 38°C (101°F), while the average settles at 25°C (77°F) and the minimum dips to 11°C (52°F). This month typically sees 32 mm (1.3 in) of rainfall spread over approximately 4 days, providing a refreshing contrast to the warmth. With humidity levels around 41%, the atmosphere remains inviting yet comfortably dry, making September a delightful time to enjoy the vibrant outdoor life in this Brazilian gem.

September Temperature in Araraquara

In September, Araraquara experiences a delightful transition as temperatures begin to rise after the cooler winter months. The minimum temperature rests at a comfortable 11°C (52°F), while the average hovers around 25°C (77°F), making it ideal for outdoor activities. This month also witnesses a peak temperature soaring to a sweltering 38°C (101°F), hinting at the hotter days to come as spring approaches. Compared to the preceding winter months, which dipped down to 3°C (38°F) in July, September's warmth signals a rejuvenation of the region's vibrant atmosphere. With its balanced temperatures, September embodies a perfect blend of mild mornings and hot afternoons, inviting both residents and visitors to enjoy the beauty of Araraquara.

September Weather in Araraquara: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Araraquara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Araraquara, 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).
JanFebMarAprMayJunJulAugSepOctNovDec777777746969687077777677
Data source: Temperature data for Araraquara 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 Araraquara

September in Araraquara, Brazil, marks a subtle transition in precipitation patterns as the dry winter months give way to slightly wetter conditions. With 32 mm (1.3 in) of rainfall spread over just four days, it signifies a gradual uptick from the sparse summer rains. This increase sets the stage for the wetter months ahead, as October typically brings a dramatic rise in precipitation to 114 mm (4.5 in). Overall, September serves as a gentle bridge, hinting at the more humid and dynamic weather that will define the coming months, while still reflecting the lingering dryness of winter which saw virtually no rainfall in July and minimal amounts in June.

September Precipitation Trends in Araraquara

The chart displays monthly precipitation patterns in Araraquara, 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 Araraquara, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1801439851391292632114149153
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Araraquara

As the seasons transition in Araraquara, Brazil, September marks a noticeable decline in humidity, dropping to a comfortable 41%. This significant decrease is part of a broader trend observed as the year progresses; following the peak levels of 85% in January and 87% in February, humidity gradually tapers off, hitting a low of 35% in October. The shift from the sticky warmth of summer to the drier conditions of fall creates a refreshing atmosphere, inviting outdoor activities. Interestingly, humidity begins to rise again towards the end of the year, foreshadowing the return of the wetter months, but for now, September offers a perfect balance of warmth and comfort.

September Average Humidity in Araraquara

This chart illustrates the average monthly humidity levels in Araraquara, 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 Araraquara is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%87%86%79%68%60%57%48%41%35%65%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Araraquara

In September, Araraquara experiences a UV Index of 11, categorized as extreme, with a burn time of just 10 minutes. This marks a slight uptick from the previous months, indicating that the sun’s intensity remains formidable as spring approaches. Following a trend seen throughout the year, where the UV Index is consistently high, September serves as a reminder of the importance of sun protection. It's crucial for residents and visitors alike to remain vigilant against harmful UV rays, especially as we transition into the warmer months. For more detailed insights, visit Araraquara UV Index.

Maximum UV Index Levels in Araraquara for September

The chart shows the monthly maximum UV Index (UVI) for Araraquara 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 Araraquara typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151613118781011131416
Data source: Araraquara 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 Araraquara

September in Araraquara, Brazil, brings a delightful embrace of sunshine, contributing a robust 315 hours of bright, sunny days. This month marks a slight dip from the vibrant sunshine of March, which recorded an impressive 329 hours. However, September shines consistently brighter than the preceding months, illustrating a smooth transition into the radiant spring season. As the year progresses, the sunshine not only peaks in December with 325 hours, but also maintains a comfortable warmth throughout the latter part of the year, promising continued enjoyable weather for both residents and visitors alike. This trend of abundant sunshine reinforces Araraquara's reputation as a sun-soaked paradise, perfect for outdoor activities and leisurely pursuits.

Monthly Sunshine Duration in Araraquara: September Highlighted

The September sunshine duration represents the total number of hours Araraquara 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.
JanFebMarAprMayJunJulAugSepOctNovDec246h287h329h308h299h291h313h310h315h313h315h325h
Data source: Araraquara September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Araraquara During September

In Araraquara, Brazil, September boasts a solid 64% chance of sunny weather, making it an appealing month for outdoor enthusiasts. As the winter months of June and July usher in a brief peak of 80% sun, there's a gradual decline in sunny days through August. However, September presents a remarkable balance, maintaining a high likelihood of sunshine that sets the tone for the transitioning seasons. Following this bright month, October dips to 38%, indicating that September is the perfect time to enjoy the outdoors before the sun's frequency wanes. This combination of factors highlights September as a sweet spot for enjoying pleasant weather in Araraquara.

Percentage of Sunny Days in September in Araraquara

The chart illustrates the percentage of sunny days in Araraquara 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 Araraquara experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%44%45%65%62%63%80%72%64%38%42%55%
Data source: Araraquara September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Araraquara in September

As September rolls into Araraquara, Brazil, residents enjoy 11 hours of daylight, maintaining the balance seen throughout the latter part of winter. This month marks a transition as daylight duration begins to increase again after dipping to its lowest at 10 hours during the depths of winter in June and July. Following September, October brings an uptick to 12 hours, foreshadowing the longer days of the late spring and early summer months, where daylight stretches up to 13 hours by December. The trend showcases a steady rhythm of changing seasons, inviting residents to relish the gradual return of longer days after the winter.

Average Daylight Hours in Araraquara for September

The chart illustrates the variation in daylight duration in Araraquara throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 16m12h 47m12h 10m11h 33m11h 3m10h 48m10h 56m11h 22m11h 58m12h 35m13h 8m13h 25m
Data source: Araraquara daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Araraquara

In September, Araraquara experiences a delightful breeze with an average wind speed of 2.9 m/s (7 mph), marking a slight increase from previous months. This uptick follows a seasonal pattern, as the wind gradually strengthens over the late winter and into spring. The months leading up to September show steady fluctuations, particularly with a notable rise in August, where the wind reached 3.1 m/s (7 mph). As the year transitions into spring, these refreshing gusts contribute to a comfortable atmosphere, making September an inviting time in this Brazilian city. With winds remaining consistent at 2.8 m/s (6 mph) into October, it seems clear that the gentle caress of the wind is a hallmark of this vibrant season.

Average September Wind Speed in Araraquara

The chart displays monthly wind speed patterns in Araraquara, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.21.92.62.22.32.73.12.9 m/s2.82.82.7
Data source: Araraquara September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Araraquara Compares to Other Months

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

In September, the weather tends to be warm and relatively dry, with average temperatures around 25°C (77°F) and maximums reaching up to 38°C (101°F). The month sees only a modest amount of rain, totaling 32 mm (1.3 in) across about 4 days, along with a humidity level of 41%. In contrast, January experiences a more humid and wet climate, with minimum temperatures starting at 16°C (62°F) and maximums hovering close to 37°C (98°F). This month is marked by significantly higher precipitation, accumulating 180 mm (7.1 in) over 17 days, as humidity soars to 85%. For a closer look at January weather specifics, visit Araraquara weather in January.

When comparing the weather between September and February, notable differences emerge. September typically features a wider temperature range, with minimums dipping to 11°C (52°F) and maximums soaring to 38°C (101°F), creating warm days and cooler nights. In contrast, February maintains a milder minimum of 17°C (64°F) and a similar average temperature of 25°C (77°F), but with maximums slightly lower at 37°C (99°F). Precipitation also varies significantly; September records only 32 mm (1.3 in) across four days, while February experiences a much wetter climate with 143 mm (5.6 in) spread over 16 days, resulting in a much higher humidity level of 87%. For a deeper look at February weather, check out Araraquara weather in February.

In comparing the weather between September and March, notable differences can be observed in both temperature and precipitation patterns. September typically has a wider temperature range, with minimums dropping to 11°C (52°F) and maximums reaching up to 38°C (101°F), while maintaining an average temperature of around 25°C (77°F). In contrast, March presents a milder range, featuring higher minimums at 16°C (60°F) and maximums of 35°C (96°F), but with a similar average temperature of 25°C (78°F). However, March is marked by significantly higher precipitation, with 98 mm (3.8 in) occurring over 13 days, compared to September's 32 mm (1.3 in) spread over just 4 days. Additionally, humidity levels soar in March to 86%, making the atmosphere feel much more oppressive than September's 41%. For more specific information on March weather in Araraquara, you can visit Araraquara weather in March.

When comparing the weather in September and April, several key differences emerge. September typically features warmer temperatures, with average highs reaching 38°C (101°F), while April temperatures are milder, peaking at 33°C (92°F). Humidity is significantly lower in September at 41%, in contrast to April's much higher humidity level of 79%. In terms of precipitation, April tends to be wetter, receiving 51 mm (2.0 in) over approximately 5 days, compared to September's 32 mm (1.3 in) spread over just 4 days. For more detailed insights on April weather in the region, you can check Araraquara weather in April.

September and May present contrasting weather patterns, highlighting the transition between the end of winter and the arrival of spring. September boasts warmer temperatures, with averages reaching 25°C (77°F) and a maximum of 38°C (101°F), while May is cooler, with an average of 21°C (70°F) and a maximum of 32°C (90°F). Despite both months experiencing precipitation on four days, September sees less rain overall, totaling 32 mm (1.3 in), compared to May's 38 mm (1.5 in). Humidity levels also differ significantly; September's humidity averages around 41%, while May is much more humid at 68%. Such differences make September feel hot and dry, whereas May tends to feel more temperate and damp. For more detailed insights on May's weather, you can check Araraquara weather in May.

In comparing the weather of September and June, September tends to be warmer with average temperatures reaching 25°C (77°F) and a maximum of 38°C (101°F), whereas June has a cooler average of 21°C (69°F) with a maximum of 31°C (87°F). September also experiences less humidity at 41%, while June is more humid at 60%. Precipitation is relatively low in both months, but June sees slightly less, with only 12 mm (0.5 in) over just 2 days compared to September's 32 mm (1.3 in) across 4 days. For more insights on the conditions in June, you can visit Araraquara weather in June.

In comparing the weather between July and September, July experiences cooler temperatures with a minimum of 3°C (38°F) and an average of 20°C (68°F), while September heats up significantly, showcasing a minimum of 11°C (52°F) and an average reaching 25°C (77°F). Notably, September can see extreme highs of 38°C (101°F), well above July's maximum of 32°C (89°F). Precipitation is minimal in July, with only 9 mm (0.4 in) and no rainy days, contrasting with September’s 32 mm (1.3 in) distributed over four days. Humidity also varies, being higher in July at 57% and dropping to 41% in September. For more insights on July weather, you can visit Araraquara weather in July.

In comparing the weather between September and August, September tends to be warmer overall. The minimum temperature rises to 11°C (52°F) from August's 6°C (44°F), while the average temperature increases to 25°C (77°F), compared to August's 21°C (70°F). The maximum temperature in September reaches a high of 38°C (101°F), significantly warmer than August's peak of 34°C (94°F). Additionally, September experiences slightly more precipitation, totaling 32 mm (1.3 in) over 4 days, in contrast to August's 26 mm (1.0 in) over the same number of days. However, humidity is lower in September at 41%, compared to August's 48%. For a more detailed overview, you can check Araraquara weather in August.

In September, the weather is generally warm, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 38°C (101°F), and an average temperature of 25°C (77°F). The month sees relatively low precipitation at 32 mm (1.3 in) across just 4 days, along with a humidity level of 41%.

In contrast, October experiences slightly warmer nights with a minimum temperature of 14°C (58°F) and a maximum of 40°C (104°F), maintaining the average temperature at 25°C (77°F). However, October is considerably wetter, with 114 mm (4.5 in) of rainfall spread over 11 days, leading to a lower humidity of 35%. For more detailed insights, check out Araraquara weather in October.

In September, Araraquara experiences warm temperatures with a minimum of 11°C (52°F) and an average of 25°C (77°F), peaking at 38°C (101°F). The month sees relatively low precipitation, amounting to just 32 mm (1.3 in) over 4 days, and humidity levels are at a comfortable 41%.

In contrast, November brings slightly milder temperatures, with a minimum of 12°C (54°F) and an average of 24°C (76°F), maintaining a maximum of 38°C (100°F). However, November is markedly wetter, recording 148 mm (5.8 in) of rainfall over 13 days, leading to significantly higher humidity at 65%. For more details on what to expect, you can check Araraquara weather in November.

In September, the weather is generally warmer, with average temperatures around 25°C (77°F) and maximums that can reach up to 38°C (101°F). The humidity is relatively low at 41%, and the month experiences about 32 mm (1.3 in) of precipitation over just 4 days. In contrast, December sees slightly cooler temperatures, with a minimum of 15°C (60°F) and a maximum of 35°C (95°F), while maintaining the same average temperature of 25°C (77°F). However, December is considerably wetter, with 153 mm (6.0 in) of rainfall spread over 17 days, leading to higher humidity levels at 80%. For more details, check out Araraquara weather in December.

Compare Araraquara's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Araraquara

September in Araraquara marks a transition as the winter chill recedes, introducing warmer temperatures that can soar to a maximum of 38°C (101°F). This month stands out with its average temperature settling around a comfortable 25°C (77°F), allowing for more pleasant outdoor activities compared to the cooler months preceding it. With only 32 mm (1.3 in) of precipitation over 4 days, rainfall remains minimal, lending to the relative dryness in the air with a humidity level of 41%. Overall, September’s weather embodies a tantalizing glimpse of the approaching warm seasons, making it an appealing time to experience the vibrant atmosphere of Araraquara. For more details on seasonal trends, visit Araraquara Climate.