September Weather in Waller, United States

Last updated: June 24, 2025

In September, the average temperature in Waller, United States is a comfortable 16°C (61°F). Daily highs can reach up to 29°C (84°F), while the nights may cool down to a minimum of 7°C (45°F). Expect 97 mm (3.8 in) of precipitation spread over 11 days, contributing to an average humidity of 62%.

September Temperature in Waller

In September in Waller, the average temperature is 16°C (61°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 7°C (45°F). This pleasant climate makes Waller an ideal destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Waller, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waller, September typically has an average temperature of 16°C (61°F), with highs reaching up to 29°C (84°F) and lows dropping to around 7°C (45°F).

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

September Precipitation in Waller

In Waller in September, the total precipitation amount is 97 mm (3.8 in) over the course of 11 days.

September Precipitation Trends in Waller

The chart displays monthly precipitation patterns in Waller, 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 Waller, September typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 11 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 Waller

In Waller in September, humidity is 62%. With an average temperature of 16°C (61°F), this humidity feels like a gentle blanket, making traveling comfortable yet occasionally sticky, prompting the need for light, breathable clothing to fully enjoy the sights.

September Average Humidity in Waller

This chart illustrates the average monthly humidity levels in Waller, 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 Waller is approximately 62%, 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 Waller

In Waller 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 Waller.

Maximum UV Index Levels in Waller for September

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

Data source: Waller 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 Waller Compares to Other Months

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

This table compares monthly weather conditions in Waller, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	187 mm (7.4 inches)	86%	low
February Weather	4°C (40°F)	193 mm (7.6 inches)	86%	moderate
March Weather	6°C (44°F)	138 mm (5.4 inches)	87%	moderate
April Weather	9°C (48°F)	120 mm (4.7 inches)	84%	high
May Weather	13°C (55°F)	69 mm (2.7 inches)	81%	very high
June Weather	16°C (60°F)	64 mm (2.5 inches)	82%	very high
July Weather	18°C (65°F)	13 mm (0.5 inches)	79%	very high
August Weather	19°C (66°F)	16 mm (0.6 inches)	63%	very high
September Weather	16°C (61°F)	97 mm (3.8 inches)	62%	high
October Weather	10°C (51°F)	153 mm (6.0 inches)	83%	moderate
November Weather	7°C (46°F)	193 mm (7.6 inches)	89%	moderate
December Weather	5°C (41°F)	208 mm (8.2 inches)	88%	low