September Weather in Channelview, United States

Last updated: June 24, 2025

In September, the average temperature in Channelview, United States reaches a warm 27°C (80°F). Expect some variability, with minimums dipping to 13°C (56°F) and maximums soaring to 37°C (99°F). This month is also characterized by 219 mm (8.6 in) of precipitation, spread over 17 days, contributing to an average humidity level of 73%.

September Temperature in Channelview

In September in Channelview, the average temperature is 27°C (80°F), with maximums reaching 37°C (99°F) and minimums dropping as low as 13°C (56°F). This range makes it an ideal destination for travelers seeking warm weather while also offering pleasant cool evenings.

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

The chart illustrates September temperature patterns in Channelview, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Channelview, September typically has an average temperature of 27°C (80°F), with highs reaching up to 37°C (99°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Channelview

In Channelview, in September, the precipitation amount is 219 mm (8.6 in) over a span of 17 days.

September Precipitation Trends in Channelview

The chart displays monthly precipitation patterns in Channelview, 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 Channelview, September typically receives around 219 mm (8.6 inches) of precipitation spread over approximately 17 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 Channelview

In Channelview 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 Channelview

This chart illustrates the average monthly humidity levels in Channelview, 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 Channelview 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 Channelview

In Channelview in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Channelview.

Maximum UV Index Levels in Channelview for September

The chart shows the monthly maximum UV Index (UVI) for Channelview 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 Channelview typically reaches 10, which falls under the very high exposure category.

Data source: Channelview 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 Channelview Compares to Other Months

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

This table compares monthly weather conditions in Channelview, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (55°F)	86 mm (3.4 inches)	78%	moderate
February Weather	14°C (58°F)	98 mm (3.8 inches)	81%	very high
March Weather	19°C (66°F)	87 mm (3.4 inches)	76%	very high
April Weather	21°C (70°F)	108 mm (4.3 inches)	79%	extreme
May Weather	25°C (77°F)	179 mm (7.1 inches)	79%	extreme
June Weather	27°C (82°F)	174 mm (6.9 inches)	74%	extreme
July Weather	28°C (83°F)	155 mm (6.1 inches)	71%	extreme
August Weather	28°C (83°F)	227 mm (8.9 inches)	68%	extreme
September Weather	27°C (80°F)	219 mm (8.6 inches)	73%	very high
October Weather	22°C (73°F)	118 mm (4.7 inches)	75%	very high
November Weather	17°C (62°F)	84 mm (3.3 inches)	78%	high
December Weather	14°C (58°F)	112 mm (4.4 inches)	84%	moderate