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September Weather in Whitestown, United States

Last updated: June 24, 2025

In September, the average temperature in Whitestown, United States hovers around 21°C (70°F), with a minimum of 5°C (42°F) and reaching up to 33°C (91°F). Expect 76 mm (3.0 in) of precipitation spread over 7 days, alongside an average humidity of 69%.

September Temperature in Whitestown

In September, in Whitestown, the average temperature is 21°C (70°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop as low as 5°C (42°F). This variability makes it ideal for travelers to pack for both warm daytime adventures and cooler evenings.

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

The chart illustrates September temperature patterns in Whitestown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Whitestown, September typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (91°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec293342526473767469574135
Data source: Temperature data for Whitestown 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 Whitestown

In Whitestown in September, the precipitation amount is 76 mm (3.0 in) over a period of 7 days.

September Precipitation Trends in Whitestown

The chart displays monthly precipitation patterns in Whitestown, 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 Whitestown, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec81891209314310510894761058774
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Whitestown

In Whitestown in September humidity is 69%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but requiring occasional breaks for hydration and shade during your travels.

September Average Humidity in Whitestown

This chart illustrates the average monthly humidity levels in Whitestown, 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 Whitestown is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Whitestown

In Whitestown 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 Whitestown.

Maximum UV Index Levels in Whitestown for September

The chart shows the monthly maximum UV Index (UVI) for Whitestown 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 Whitestown typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098642
Data source: Whitestown 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 Whitestown Compares to Other Months

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

This table compares monthly weather conditions in Whitestown, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (30°F)81 mm (3.2 inches)87%moderate
February Weather0°C (33°F)88 mm (3.5 inches)85%moderate
March Weather6°C (42°F)120 mm (4.7 inches)86%high
April Weather11°C (52°F)93 mm (3.7 inches)84%very high
May Weather18°C (64°F)143 mm (5.6 inches)79%very high
June Weather23°C (74°F)104 mm (4.1 inches)82%extreme
July Weather25°C (77°F)108 mm (4.2 inches)79%very high
August Weather23°C (74°F)94 mm (3.7 inches)70%very high
September Weather21°C (70°F)76 mm (3.0 inches)69%very high
October Weather14°C (58°F)105 mm (4.1 inches)76%high
November Weather5°C (42°F)87 mm (3.4 inches)88%moderate
December Weather2°C (36°F)74 mm (2.9 inches)87%low

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