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September Weather in Woodstock, United States

Last updated: June 24, 2025

In September, the average temperature in Woodstock, United States is a comfortable 20°C (68°F). Expect a range from a chilly 3°C (37°F) to a warm 34°C (93°F). The month brings 109 mm (4.3 in) of precipitation over approximately 11 days, along with an average humidity of 68%, making it a season of refreshing breezes and potential showers.

September Temperature in Woodstock

In September, in Woodstock, the average temperature is 20°C (68°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 3°C (37°F). This makes Woodstock a great destination for travelers looking to enjoy mild weather with the possibility of warm afternoons and cool evenings.

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

The chart illustrates September temperature patterns in Woodstock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Woodstock, September typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec343844546371777468584338
Data source: Temperature data for Woodstock 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 Woodstock

In Woodstock in September, the precipitation amount is 109 mm (4.3 in), occurring over a span of 11 days.

September Precipitation Trends in Woodstock

The chart displays monthly precipitation patterns in Woodstock, 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 Woodstock, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec599378101127112951031091017486
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Woodstock

In Woodstock in September humidity is 68%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls while also prompting travelers to stay hydrated and seek out refreshing breaks from the heat.

September Average Humidity in Woodstock

This chart illustrates the average monthly humidity levels in Woodstock, 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 Woodstock is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Woodstock

In Woodstock 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 Woodstock.

Maximum UV Index Levels in Woodstock for September

The chart shows the monthly maximum UV Index (UVI) for Woodstock 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 Woodstock typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101010108753
Data source: Woodstock 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 Woodstock Compares to Other Months

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

This table compares monthly weather conditions in Woodstock, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)59 mm (2.3 inches)86%moderate
February Weather3°C (38°F)93 mm (3.6 inches)86%moderate
March Weather6°C (44°F)78 mm (3.1 inches)86%high
April Weather12°C (54°F)101 mm (4.0 inches)84%very high
May Weather17°C (63°F)127 mm (5.0 inches)78%very high
June Weather22°C (71°F)112 mm (4.4 inches)79%very high
July Weather25°C (77°F)95 mm (3.7 inches)70%very high
August Weather23°C (74°F)102 mm (4.0 inches)59%very high
September Weather20°C (68°F)109 mm (4.3 inches)68%very high
October Weather15°C (59°F)101 mm (4.0 inches)80%high
November Weather6°C (44°F)74 mm (2.9 inches)86%moderate
December Weather3°C (38°F)86 mm (3.4 inches)85%moderate

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