September Weather in Warren, United States

Last updated: June 24, 2025

In September, the average temperature in Warren, United States hovers around 20°C (69°F). While you may experience a refreshing minimum temperature of 4°C (40°F), the mercury can soar to a steamy 33°C (92°F). Expect about 65 mm (2.5 in) of precipitation spread across 8 days, coupled with an average humidity of 78%, which adds a touch of tropical feel to your stay.

September Temperature in Warren

In September in Warren, the average temperature is 20°C (69°F). Maximums can reach 33°C (92°F), while minimums can drop as low as 4°C (40°F). This varied climate makes Warren an ideal destination for travelers seeking both warmth and cooler experiences.

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

The chart illustrates September temperature patterns in Warren, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Warren, September typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (40°F).

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

September Precipitation in Warren

In Warren in September, the precipitation amount is 65 mm (2.5 in) over a span of 8 days.

September Precipitation Trends in Warren

The chart displays monthly precipitation patterns in Warren, 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 Warren, September typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 8 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 Warren

In Warren in September, humidity is 78%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick and heavy, urging you to seek out shaded areas and refreshing drinks.

September Average Humidity in Warren

This chart illustrates the average monthly humidity levels in Warren, 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 Warren is approximately 78%, 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 Warren

In Warren 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 Warren.

Maximum UV Index Levels in Warren for September

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

Data source: Warren 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 Warren Compares to Other Months

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

This table compares monthly weather conditions in Warren, 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 (29°F)	75 mm (2.9 inches)	85%	moderate
February Weather	-1°C (31°F)	83 mm (3.3 inches)	85%	moderate
March Weather	5°C (41°F)	103 mm (4.1 inches)	86%	high
April Weather	10°C (51°F)	92 mm (3.6 inches)	87%	very high
May Weather	17°C (63°F)	132 mm (5.2 inches)	81%	very high
June Weather	22°C (73°F)	105 mm (4.1 inches)	82%	very high
July Weather	25°C (76°F)	106 mm (4.2 inches)	81%	very high
August Weather	23°C (74°F)	98 mm (3.8 inches)	79%	very high
September Weather	20°C (69°F)	65 mm (2.5 inches)	78%	very high
October Weather	14°C (57°F)	102 mm (4.0 inches)	81%	high
November Weather	5°C (41°F)	83 mm (3.3 inches)	89%	moderate
December Weather	2°C (35°F)	64 mm (2.5 inches)	86%	low