September Weather in Angleton, United States

Last updated: June 24, 2025

In September, the average temperature in Angleton, United States hovers around 27°C (80°F), offering a pleasant climate for exploration. Temperatures can vary widely, with a minimum of 14°C (58°F) and a maximum soaring to 35°C (96°F). Be prepared for some rain, as 187 mm (7.3 in) of precipitation is expected over 16 days, contributing to an average humidity level of 73%.

September Temperature in Angleton

In September in Angleton, the average temperature is 27°C (80°F), with maximums reaching up to 35°C (96°F) and minimums dropping as low as 14°C (58°F). This mild climate makes Angleton an ideal destination for travelers seeking both warm days and cool evenings.

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

The chart illustrates September temperature patterns in Angleton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Angleton, September typically has an average temperature of 27°C (80°F), with highs reaching up to 35°C (96°F) and lows dropping to around 14°C (58°F).

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

September Precipitation in Angleton

In Angleton in September, the total precipitation amount is 187 mm (7.3 in) over the course of 16 days.

September Precipitation Trends in Angleton

The chart displays monthly precipitation patterns in Angleton, 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 Angleton, September typically receives around 187 mm (7.3 inches) of precipitation spread over approximately 16 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 Angleton

In Angleton in September humidity is 73%. With an average temperature of 27°C (80°F), this humidity feels like a warm, enveloping blanket that can make traveling feel sticky and slightly uncomfortable, prompting frequent breaks in the shade and plenty of hydration.

September Average Humidity in Angleton

This chart illustrates the average monthly humidity levels in Angleton, 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 Angleton is approximately 73%, 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 Angleton

In Angleton in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Angleton.

Maximum UV Index Levels in Angleton for September

The chart shows the monthly maximum UV Index (UVI) for Angleton 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 Angleton typically reaches 11, which falls under the extreme exposure category.

Data source: Angleton 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 Angleton Compares to Other Months

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

This table compares monthly weather conditions in Angleton, 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 (56°F)	78 mm (3.1 inches)	78%	moderate
February Weather	15°C (59°F)	70 mm (2.8 inches)	81%	very high
March Weather	19°C (67°F)	71 mm (2.8 inches)	76%	very high
April Weather	22°C (71°F)	76 mm (3.0 inches)	79%	extreme
May Weather	25°C (78°F)	156 mm (6.1 inches)	79%	extreme
June Weather	28°C (82°F)	153 mm (6.0 inches)	74%	extreme
July Weather	29°C (84°F)	146 mm (5.8 inches)	71%	extreme
August Weather	29°C (84°F)	177 mm (7.0 inches)	68%	extreme
September Weather	27°C (80°F)	187 mm (7.3 inches)	73%	extreme
October Weather	23°C (73°F)	91 mm (3.6 inches)	75%	very high
November Weather	18°C (64°F)	77 mm (3.0 inches)	78%	high
December Weather	15°C (60°F)	96 mm (3.8 inches)	84%	moderate