September Weather in El Campo, United States

Last updated: June 24, 2025

In September, the average temperature in El Campo, United States is a warm 27°C (81°F). Expect a minimum temperature of 13°C (55°F) and a maximum of 37°C (99°F) during this month. Precipitation averages 139 mm (5.5 in) spread across 14 days, while the average humidity sits at a comfortable 73%.

September Temperature in El Campo

In September in El Campo, the average temperature is 27°C (81°F). Maximums can reach 37°C (99°F), while minimums can drop to as low as 13°C (55°F). Be sure to pack accordingly for both warm and cooler moments during your travels.

September Weather in El Campo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in El Campo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Campo, September typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 13°C (55°F).

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

September Precipitation in El Campo

In El Campo, in September, the precipitation amount is 139 mm (5.5 in) over the course of 14 days.

September Precipitation Trends in El Campo

The chart displays monthly precipitation patterns in El Campo, 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 El Campo, September typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 14 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 El Campo

In El Campo in September, humidity is 73%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, while also requiring frequent hydration breaks to stay comfortable during your travels.

September Average Humidity in El Campo

This chart illustrates the average monthly humidity levels in El Campo, 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 El Campo 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 El Campo

In El Campo 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 El Campo.

Maximum UV Index Levels in El Campo for September

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

Data source: El Campo 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 El Campo Compares to Other Months

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

This table compares monthly weather conditions in El Campo, 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)	66 mm (2.6 inches)	78%	moderate
February Weather	15°C (59°F)	78 mm (3.1 inches)	81%	very high
March Weather	19°C (67°F)	64 mm (2.5 inches)	76%	very high
April Weather	22°C (71°F)	69 mm (2.7 inches)	79%	extreme
May Weather	26°C (79°F)	136 mm (5.3 inches)	79%	extreme
June Weather	28°C (83°F)	138 mm (5.5 inches)	74%	extreme
July Weather	29°C (84°F)	115 mm (4.5 inches)	71%	extreme
August Weather	29°C (85°F)	158 mm (6.2 inches)	68%	extreme
September Weather	27°C (81°F)	139 mm (5.5 inches)	73%	extreme
October Weather	23°C (73°F)	77 mm (3.0 inches)	75%	very high
November Weather	17°C (64°F)	87 mm (3.4 inches)	78%	high
December Weather	15°C (59°F)	93 mm (3.7 inches)	84%	moderate