September Weather in Coalville, United States

Last updated: June 24, 2025

In September, the average temperature in Coalville, United States hovers around 14°C (57°F). While you may experience a chilly minimum of -7°C (20°F), the highs can reach an inviting 32°C (90°F). Expect 42 mm (1.6 in) of precipitation spread over approximately 6 days, with an average humidity level of 46%. Get ready for a month of varied weather!

September Temperature in Coalville

In September in Coalville, the average temperature is 14°C (57°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop to as low as -7°C (20°F). This makes it essential for travelers to pack for a wide range of weather conditions.

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

The chart illustrates September temperature patterns in Coalville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coalville, September typically has an average temperature of 14°C (57°F), with highs reaching up to 32°C (90°F) and lows dropping to around -7°C (20°F).

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

September Precipitation in Coalville

In Coalville in September, the total precipitation amount is 42 mm (1.6 in) over a span of 6 days.

September Precipitation Trends in Coalville

The chart displays monthly precipitation patterns in Coalville, 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 Coalville, September typically receives around 42 mm (1.6 inches) of precipitation spread over approximately 6 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 Coalville

In Coalville in September, humidity is 46%. With an average temperature of 14°C (57°F), this humidity feels like a refreshing embrace, making it comfortable for exploring the sights and enjoying outdoor activities without feeling overly sticky or oppressive.

September Average Humidity in Coalville

This chart illustrates the average monthly humidity levels in Coalville, 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 Coalville is approximately 46%, 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 Coalville

In Coalville 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 Coalville.

Maximum UV Index Levels in Coalville for September

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

Data source: Coalville 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 Coalville Compares to Other Months

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

This table compares monthly weather conditions in Coalville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	75 mm (3.0 inches)	91%	moderate
February Weather	-4°C (25°F)	91 mm (3.6 inches)	92%	moderate
March Weather	1°C (34°F)	79 mm (3.1 inches)	84%	very high
April Weather	3°C (37°F)	73 mm (2.9 inches)	74%	extreme
May Weather	8°C (47°F)	74 mm (2.9 inches)	62%	extreme
June Weather	16°C (60°F)	26 mm (1.0 inches)	56%	extreme
July Weather	20°C (69°F)	23 mm (0.9 inches)	44%	extreme
August Weather	19°C (67°F)	28 mm (1.1 inches)	37%	extreme
September Weather	14°C (57°F)	42 mm (1.6 inches)	46%	very high
October Weather	5°C (41°F)	56 mm (2.2 inches)	67%	high
November Weather	0°C (32°F)	59 mm (2.3 inches)	84%	moderate
December Weather	-6°C (22°F)	70 mm (2.8 inches)	88%	moderate