September Weather in Mendenhall, United States

Last updated: June 24, 2025

In September, the average temperature in Mendenhall, United States hovers around 26°C (78°F), offering a warm climate for visitors. Temperatures can range from a cool 11°C (52°F) to a scorching 38°C (101°F), ensuring a variety of experiences. The region sees an average precipitation of 97 mm (3.8 in) over approximately 10 days, contributing to a fairly high average humidity of 80%. Whether you're looking for sunshine or a refreshing drizzle, Mendenhall has something for everyone!

September Temperature in Mendenhall

In September in Mendenhall, the average temperature is 26°C (78°F). Maximum can reach 38°C (101°F) and minimum can be as low as 11°C (52°F). Travelers should prepare for a warm climate with potential for cool evenings, making it an ideal time for both outdoor adventures and comfortable evening strolls.

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

The chart illustrates September temperature patterns in Mendenhall, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mendenhall, September typically has an average temperature of 26°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 11°C (52°F).

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

September Precipitation in Mendenhall

In Mendenhall in September, the total precipitation amount is 97 mm (3.8 in) over a span of 10 days.

September Precipitation Trends in Mendenhall

The chart displays monthly precipitation patterns in Mendenhall, 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 Mendenhall, September typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Mendenhall

In Mendenhall in September, humidity is 80%. With an average temperature of 26°C (78°F), this humidity feels like a warm blanket enveloping you, making travel a bit sticky yet vibrant, as you experience the lively atmosphere infused with the scent of tropical blooms and the soothing presence of nearby water.

September Average Humidity in Mendenhall

This chart illustrates the average monthly humidity levels in Mendenhall, 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 Mendenhall is approximately 80%, 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 Mendenhall

In Mendenhall 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 Mendenhall.

Maximum UV Index Levels in Mendenhall for September

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

Data source: Mendenhall 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 Mendenhall Compares to Other Months

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

This table compares monthly weather conditions in Mendenhall, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	111 mm (4.4 inches)	82%	moderate
February Weather	12°C (55°F)	138 mm (5.4 inches)	80%	high
March Weather	16°C (61°F)	130 mm (5.1 inches)	80%	very high
April Weather	18°C (65°F)	155 mm (6.1 inches)	78%	extreme
May Weather	23°C (74°F)	144 mm (5.7 inches)	73%	extreme
June Weather	26°C (79°F)	167 mm (6.6 inches)	71%	extreme
July Weather	27°C (81°F)	119 mm (4.7 inches)	79%	extreme
August Weather	27°C (81°F)	145 mm (5.7 inches)	78%	extreme
September Weather	26°C (78°F)	97 mm (3.8 inches)	80%	very high
October Weather	21°C (70°F)	96 mm (3.8 inches)	76%	very high
November Weather	13°C (56°F)	74 mm (2.9 inches)	83%	high
December Weather	11°C (52°F)	127 mm (5.0 inches)	87%	moderate