September Weather in Wells, United States

Last updated: June 24, 2025

In September, the average temperature in Wells, United States hovers around 18°C (64°F). Expect a wide range, with temperatures dipping as low as -2°C (29°F) and soaring to a sizzling 36°C (97°F). You may encounter some rain, with a total precipitation of about 17 mm (0.7 in) spread over 3 days. The air is relatively dry, boasting an average humidity of 40%.

September Temperature in Wells

In September in Wells, the average temperature is 18°C (64°F). Maximums can reach 36°C (97°F) and minimums can be as low as -2°C (29°F). Be prepared for a wide range of temperatures and pack accordingly for your trip to Wells this September.

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

The chart illustrates September temperature patterns in Wells, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wells, September typically has an average temperature of 18°C (64°F), with highs reaching up to 36°C (97°F) and lows dropping to around -2°C (29°F).

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

September Precipitation in Wells

In Wells in September, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.

September Precipitation Trends in Wells

The chart displays monthly precipitation patterns in Wells, 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 Wells, September typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 3 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 Wells

In Wells in September, humidity is 40%. With an average temperature of 18°C (64°F), this humidity feels like a refreshing breeze, making it a pleasant time for traveling and exploring the outdoors.

September Average Humidity in Wells

This chart illustrates the average monthly humidity levels in Wells, 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 Wells is approximately 40%, 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 Wells

In Wells in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Wells.

Maximum UV Index Levels in Wells for September

The chart shows the monthly maximum UV Index (UVI) for Wells 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 Wells typically reaches 9, which falls under the very high exposure category.

Data source: Wells 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 Wells Compares to Other Months

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

This table compares monthly weather conditions in Wells, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	30 mm (1.2 inches)	84%	moderate
February Weather	-3°C (26°F)	33 mm (1.3 inches)	85%	moderate
March Weather	2°C (35°F)	37 mm (1.5 inches)	81%	high
April Weather	7°C (44°F)	41 mm (1.6 inches)	74%	very high
May Weather	12°C (54°F)	46 mm (1.8 inches)	61%	extreme
June Weather	19°C (67°F)	13 mm (0.5 inches)	59%	extreme
July Weather	25°C (77°F)	5 mm (0.2 inches)	49%	extreme
August Weather	24°C (75°F)	9 mm (0.3 inches)	36%	very high
September Weather	18°C (64°F)	17 mm (0.7 inches)	40%	very high
October Weather	8°C (47°F)	24 mm (0.9 inches)	59%	high
November Weather	3°C (38°F)	25 mm (1.0 inches)	81%	moderate
December Weather	-4°C (25°F)	31 mm (1.2 inches)	84%	moderate