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September Weather in Sturtevant, United States

Last updated: June 24, 2025

In September, the average temperature in Sturtevant, United States is a pleasant 19°C (66°F). Expect variations, with minimums dropping to 5°C (41°F) and maximums reaching up to 29°C (85°F). The region sees about 89 mm (3.5 in) of precipitation over 10 days, contributing to an average humidity of 79%.

September Temperature in Sturtevant

In September in Sturtevant, the average temperature is 19°C (66°F), with maximums reaching up to 29°C (85°F) and minimums dropping as low as 5°C (41°F). This makes it a versatile month for travelers, offering pleasant weather for various outdoor activities while still allowing for cooler evenings.

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

The chart illustrates September temperature patterns in Sturtevant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sturtevant, September typically has an average temperature of 19°C (66°F), with highs reaching up to 29°C (85°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec252636435465727266533932
Data source: Temperature data for Sturtevant 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 Sturtevant

In Sturtevant in September, the precipitation amount is 89 mm (3.5 in) over a period of 10 days.

September Precipitation Trends in Sturtevant

The chart displays monthly precipitation patterns in Sturtevant, 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 Sturtevant, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec666367113146967768891245555
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sturtevant

In Sturtevant in September humidity is 79%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making it feel much warmer than the actual temperature and creating a heavy, sticky atmosphere that can be a bit uncomfortable for traveling.

September Average Humidity in Sturtevant

This chart illustrates the average monthly humidity levels in Sturtevant, 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 Sturtevant is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sturtevant

In Sturtevant in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Sturtevant.

Maximum UV Index Levels in Sturtevant for September

The chart shows the monthly maximum UV Index (UVI) for Sturtevant 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 Sturtevant typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098532
Data source: Sturtevant 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.

How September Weather in Sturtevant Compares to Other Months

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

This table compares monthly weather conditions in Sturtevant, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)66 mm (2.6 inches)85%low
February Weather-3°C (27°F)63 mm (2.5 inches)85%moderate
March Weather2°C (36°F)67 mm (2.6 inches)85%high
April Weather6°C (44°F)113 mm (4.4 inches)85%very high
May Weather12°C (54°F)146 mm (5.7 inches)78%very high
June Weather19°C (66°F)96 mm (3.8 inches)80%very high
July Weather22°C (73°F)77 mm (3.0 inches)78%very high
August Weather22°C (72°F)68 mm (2.7 inches)76%very high
September Weather19°C (66°F)89 mm (3.5 inches)79%very high
October Weather12°C (53°F)124 mm (4.9 inches)83%moderate
November Weather4°C (39°F)55 mm (2.2 inches)88%moderate
December Weather0°C (33°F)55 mm (2.1 inches)81%low

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