September Weather in Chesterbrook, United States

Last updated: June 24, 2025

In September, the average temperature in Chesterbrook, United States is a pleasant 21°C (70°F). Expect a range with minimums dipping to 6°C (42°F) and maximums soaring up to 34°C (94°F). You'll also encounter about 103 mm (4.0 in) of precipitation over 10 days, accompanied by an average humidity of 75%.

September Temperature in Chesterbrook

In September in Chesterbrook, the average temperature is 21°C (70°F). The maximum can reach 34°C (94°F), while the minimum can be as low as 6°C (42°F). This pleasant temperature range makes Chesterbrook an ideal destination for travelers looking to enjoy a comfortable climate.

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

The chart illustrates September temperature patterns in Chesterbrook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chesterbrook, September typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (94°F) and lows dropping to around 6°C (42°F).

Data source: Temperature data for Chesterbrook generated using information from the Copernicus Climate Change Service.

September Precipitation in Chesterbrook

In Chesterbrook in September, the precipitation amount is 103 mm (4.0 in) over a span of 10 days.

September Precipitation Trends in Chesterbrook

The chart displays monthly precipitation patterns in Chesterbrook, 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 Chesterbrook, September typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Chesterbrook

In Chesterbrook in September, humidity is 75%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that makes exploring the area feel slightly sticky, requiring travelers to stay hydrated and take occasional breaks in the shade to fully enjoy their adventures.

September Average Humidity in Chesterbrook

This chart illustrates the average monthly humidity levels in Chesterbrook, 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 Chesterbrook is approximately 75%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chesterbrook

In Chesterbrook 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 Chesterbrook.

Maximum UV Index Levels in Chesterbrook for September

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

Data source: Chesterbrook 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 Chesterbrook Compares to Other Months

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

This table compares monthly weather conditions in Chesterbrook, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	66 mm (2.6 inches)	84%	moderate
February Weather	3°C (38°F)	108 mm (4.3 inches)	83%	moderate
March Weather	6°C (44°F)	107 mm (4.2 inches)	83%	high
April Weather	12°C (54°F)	108 mm (4.3 inches)	81%	very high
May Weather	18°C (64°F)	139 mm (5.5 inches)	78%	very high
June Weather	23°C (73°F)	115 mm (4.5 inches)	79%	very high
July Weather	26°C (78°F)	144 mm (5.7 inches)	74%	very high
August Weather	24°C (76°F)	152 mm (6.0 inches)	72%	very high
September Weather	21°C (70°F)	103 mm (4.0 inches)	75%	very high
October Weather	16°C (61°F)	104 mm (4.1 inches)	81%	high
November Weather	8°C (46°F)	84 mm (3.3 inches)	85%	moderate
December Weather	4°C (39°F)	102 mm (4.0 inches)	84%	low