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September Weather in Whitehall, United States

Last updated: June 24, 2025

In September, the average temperature in Whitehall, United States is a pleasant 20°C (69°F), with minimums dipping to 5°C (42°F) and maximums soaring to 34°C (94°F). Expect around 90 mm (3.5 in) of precipitation over approximately 7 days, accompanied by an average humidity of 73%. Embrace the vibrant, yet diverse, weather this month!

September Temperature in Whitehall

In September in Whitehall, the average temperature is 20°C (69°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as 5°C (42°F). Be sure to pack for a range of weather conditions, from warm days to cooler evenings, as you explore Whitehall.

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

The chart illustrates September temperature patterns in Whitehall, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Whitehall, September typically has an average temperature of 20°C (69°F), with highs reaching up to 34°C (94°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec313443526472767369584236
Data source: Temperature data for Whitehall 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 Whitehall

In Whitehall in September, the precipitation amount is 90 mm (3.5 in) over the course of 7 days.

September Precipitation Trends in Whitehall

The chart displays monthly precipitation patterns in Whitehall, 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 Whitehall, September typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec81107112117127146113809010096102
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Whitehall

In Whitehall in September humidity is 73%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making travel slightly sticky but ultimately comfortable as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Whitehall

This chart illustrates the average monthly humidity levels in Whitehall, 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 Whitehall is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Whitehall

In Whitehall 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 Whitehall.

Maximum UV Index Levels in Whitehall for September

The chart shows the monthly maximum UV Index (UVI) for Whitehall 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 Whitehall typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Whitehall 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 Whitehall Compares to Other Months

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

This table compares monthly weather conditions in Whitehall, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)81 mm (3.2 inches)88%moderate
February Weather1°C (35°F)107 mm (4.2 inches)88%moderate
March Weather6°C (43°F)112 mm (4.4 inches)87%high
April Weather11°C (52°F)117 mm (4.6 inches)85%very high
May Weather18°C (64°F)127 mm (5.0 inches)81%very high
June Weather22°C (72°F)146 mm (5.7 inches)82%very high
July Weather24°C (76°F)113 mm (4.4 inches)81%very high
August Weather23°C (74°F)80 mm (3.1 inches)73%very high
September Weather20°C (69°F)90 mm (3.5 inches)73%very high
October Weather14°C (58°F)100 mm (3.9 inches)78%high
November Weather6°C (42°F)96 mm (3.8 inches)89%moderate
December Weather2°C (37°F)102 mm (4.0 inches)87%moderate

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