September Weather in College Station, United States

Last updated: June 24, 2025

In September, the average temperature in College Station, United States is a pleasant 25°C (76°F). However, temperatures can fluctuate, with a minimum of 10°C (50°F) and a scorching maximum of 37°C (99°F). Expect about 103 mm (4.1 in) of precipitation spread over 7 days and an average humidity level of 71%, creating a vibrant atmosphere throughout the month.

September Temperature in College Station

In September in College Station, the average temperature is 25°C (76°F). Maximums can reach 37°C (99°F), while minimums can be as low as 10°C (50°F). This range makes College Station a great destination for travelers seeking varied weather experiences.

September Weather in College Station: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in College Station, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In College Station, September typically has an average temperature of 25°C (76°F), with highs reaching up to 37°C (99°F) and lows dropping to around 10°C (50°F).

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

September Precipitation in College Station

In College Station in September, the precipitation amount is 103 mm (4.1 in) over a span of 7 days.

September Precipitation Trends in College Station

The chart displays monthly precipitation patterns in College Station, 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 College Station, September typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 7 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 College Station

In College Station in September, humidity is 71%. With an average temperature of 25°C (76°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor adventures feel sticky and slightly uncomfortable, but still enjoyable with the right balance of hydration and shade.

September Average Humidity in College Station

This chart illustrates the average monthly humidity levels in College Station, 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 College Station is approximately 71%, 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 College Station

In College Station in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in College Station.

Maximum UV Index Levels in College Station for September

The chart shows the monthly maximum UV Index (UVI) for College Station 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 College Station typically reaches 9, which falls under the very high exposure category.

Data source: College Station 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 College Station Compares to Other Months

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

This table compares monthly weather conditions in College Station, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	91 mm (3.6 inches)	84%	moderate
February Weather	8°C (46°F)	146 mm (5.8 inches)	83%	high
March Weather	13°C (56°F)	154 mm (6.1 inches)	81%	very high
April Weather	16°C (61°F)	163 mm (6.4 inches)	81%	very high
May Weather	22°C (72°F)	164 mm (6.4 inches)	83%	extreme
June Weather	26°C (79°F)	102 mm (4.0 inches)	83%	extreme
July Weather	28°C (82°F)	107 mm (4.2 inches)	81%	extreme
August Weather	27°C (80°F)	115 mm (4.5 inches)	74%	very high
September Weather	25°C (76°F)	103 mm (4.1 inches)	71%	very high
October Weather	18°C (65°F)	97 mm (3.8 inches)	76%	high
November Weather	11°C (51°F)	75 mm (3.0 inches)	84%	moderate
December Weather	9°C (48°F)	140 mm (5.5 inches)	88%	moderate