September Weather in Warren, United States

Last updated: June 24, 2025

In September, the average temperature in Warren, United States hovers around 15°C (59°F), with a minimum that can dip to -3°C (27°F) and a maximum soaring up to 32°C (89°F). Expect 73 mm (2.9 in) of precipitation spread over approximately 10 days, accompanied by an average humidity level of 75%. Make sure to pack accordingly for this varied weather!

September Temperature in Warren

In September in Warren, the average temperature is 15°C (59°F), with maximums reaching 32°C (89°F) and minimums dropping as low as -3°C (27°F). Be prepared for a wide range of temperatures when planning your trip.

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 15°C (59°F), with highs reaching up to 32°C (89°F) and lows dropping to around -3°C (27°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 73 mm (2.9 in) over the course of 10 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 73 mm (2.9 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Warren

In Warren in September, humidity is 75%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it feel more oppressive than refreshing, which can be a challenge for travelers seeking comfort while exploring the area.

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 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 Warren

In Warren 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 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 7, which falls under the 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	-13°C (8°F)	18 mm (0.7 inches)	94%	low
February Weather	-14°C (6°F)	20 mm (0.8 inches)	91%	moderate
March Weather	-4°C (26°F)	24 mm (1.0 inches)	90%	moderate
April Weather	3°C (38°F)	35 mm (1.4 inches)	81%	high
May Weather	13°C (56°F)	54 mm (2.1 inches)	74%	very high
June Weather	20°C (68°F)	86 mm (3.4 inches)	75%	very high
July Weather	22°C (72°F)	64 mm (2.5 inches)	74%	very high
August Weather	20°C (68°F)	72 mm (2.8 inches)	77%	very high
September Weather	15°C (59°F)	73 mm (2.9 inches)	75%	high
October Weather	6°C (43°F)	83 mm (3.3 inches)	78%	moderate
November Weather	-3°C (26°F)	27 mm (1.1 inches)	87%	low
December Weather	-9°C (16°F)	34 mm (1.3 inches)	93%	low