September Weather in Zimmerman, United States

Last updated: June 24, 2025

In September, the average temperature in Zimmerman, United States hovers around 17°C (63°F), offering a pleasant climate for visitors. However, temperatures can range from a chilly 1°C (33°F) to a warm 32°C (90°F). Be prepared for some rain, as 116 mm (4.6 in) of precipitation is expected over 10 days. The area's average humidity is relatively high at 81%, so be sure to stay hydrated and enjoy all that this vibrant destination has to offer!

September Temperature in Zimmerman

In September in Zimmerman, the average temperature is 17°C (63°F), with maximums reaching as high as 32°C (90°F) and minimums dropping to as low as 1°C (33°F). This variation makes it an ideal time for travelers to enjoy a range of outdoor activities, from warm sunny days to cooler evenings.

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

The chart illustrates September temperature patterns in Zimmerman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zimmerman, September typically has an average temperature of 17°C (63°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (33°F).

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

September Precipitation in Zimmerman

In Zimmerman in September, the total precipitation amount is 116 mm (4.6 in) over a span of 10 days.

September Precipitation Trends in Zimmerman

The chart displays monthly precipitation patterns in Zimmerman, 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 Zimmerman, September typically receives around 116 mm (4.6 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 Zimmerman

In Zimmerman in September humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.

September Average Humidity in Zimmerman

This chart illustrates the average monthly humidity levels in Zimmerman, 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 Zimmerman is approximately 81%, 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 Zimmerman

In Zimmerman in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Zimmerman.

Maximum UV Index Levels in Zimmerman for September

The chart shows the monthly maximum UV Index (UVI) for Zimmerman 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 Zimmerman typically reaches 7, which falls under the high exposure category.

Data source: Zimmerman 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 Zimmerman Compares to Other Months

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

This table compares monthly weather conditions in Zimmerman, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (15°F)	19 mm (0.8 inches)	87%	low
February Weather	-9°C (16°F)	28 mm (1.1 inches)	90%	moderate
March Weather	0°C (32°F)	51 mm (2.0 inches)	85%	moderate
April Weather	6°C (42°F)	94 mm (3.7 inches)	84%	high
May Weather	15°C (58°F)	98 mm (3.9 inches)	78%	very high
June Weather	21°C (71°F)	75 mm (3.0 inches)	80%	very high
July Weather	23°C (74°F)	101 mm (4.0 inches)	81%	very high
August Weather	21°C (70°F)	142 mm (5.6 inches)	81%	very high
September Weather	17°C (63°F)	116 mm (4.6 inches)	81%	high
October Weather	8°C (47°F)	106 mm (4.2 inches)	84%	moderate
November Weather	0°C (32°F)	33 mm (1.3 inches)	88%	moderate
December Weather	-6°C (22°F)	48 mm (1.9 inches)	84%	low