September Weather in Deville, United States

Last updated: June 24, 2025

In September, the average temperature in Deville, United States hits a warm 26°C (80°F), with temperatures ranging from a cool 12°C (55°F) to a scorching 38°C (101°F). Expect about 131 mm (5.2 in) of precipitation spread over 10 days, contributing to a notable average humidity of 79%. Stay prepared for fluctuating weather while enjoying the vibrant atmosphere!

September Temperature in Deville

In September in Deville, the average temperature is 26°C (80°F). Maximums can reach 38°C (101°F), and minimums can be as low as 12°C (55°F). This makes Deville an ideal destination for travelers seeking warm weather while also enjoying cooler evenings.

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

The chart illustrates September temperature patterns in Deville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Deville, September typically has an average temperature of 26°C (80°F), with highs reaching up to 38°C (101°F) and lows dropping to around 12°C (55°F).

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

September Precipitation in Deville

In Deville in September, the precipitation amount is 131 mm (5.2 in) over a duration of 10 days.

September Precipitation Trends in Deville

The chart displays monthly precipitation patterns in Deville, 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 Deville, September typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 10 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 Deville

In Deville in September, humidity is 79%. With an average temperature of 26°C (80°F), this humidity feels like an enveloping warm blanket, making travel feel slightly sluggish and prompting frequent hydration breaks to stay comfortable while exploring the sights.

September Average Humidity in Deville

This chart illustrates the average monthly humidity levels in Deville, 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 Deville is approximately 79%, 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 Deville

In Deville 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 Deville.

Maximum UV Index Levels in Deville for September

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

Data source: Deville 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 Deville Compares to Other Months

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

This table compares monthly weather conditions in Deville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	114 mm (4.5 inches)	83%	moderate
February Weather	13°C (56°F)	133 mm (5.2 inches)	83%	high
March Weather	17°C (63°F)	110 mm (4.3 inches)	80%	very high
April Weather	19°C (67°F)	164 mm (6.5 inches)	81%	extreme
May Weather	24°C (76°F)	177 mm (7.0 inches)	81%	extreme
June Weather	27°C (80°F)	137 mm (5.4 inches)	78%	extreme
July Weather	28°C (83°F)	145 mm (5.7 inches)	79%	extreme
August Weather	28°C (83°F)	129 mm (5.1 inches)	79%	extreme
September Weather	26°C (80°F)	131 mm (5.2 inches)	79%	very high
October Weather	21°C (71°F)	123 mm (4.8 inches)	77%	very high
November Weather	14°C (58°F)	74 mm (2.9 inches)	85%	high
December Weather	12°C (55°F)	122 mm (4.8 inches)	88%	moderate