September Weather in Tooele, United States

Last updated: June 24, 2025

In September, the average temperature in Tooele, United States is a pleasant 20°C (68°F). However, temperatures can vary significantly, dropping as low as 2°C (36°F) and soaring to a maximum of 37°C (99°F). During this month, you can expect about 36 mm (1.4 in) of precipitation spread over 5 days, with an average humidity level of 46%.

September Temperature in Tooele

In September in Tooele, the average temperature is 20°C (68°F). Maximum can reach 37°C (99°F) and minimum can be as low as 2°C (36°F). This makes it essential for travelers to pack layers and be prepared for both warm and cool conditions.

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

The chart illustrates September temperature patterns in Tooele, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tooele, September typically has an average temperature of 20°C (68°F), with highs reaching up to 37°C (99°F) and lows dropping to around 2°C (36°F).

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

September Precipitation in Tooele

In Tooele in September, the precipitation amount is 36 mm (1.4 in) over the course of 5 days.

September Precipitation Trends in Tooele

The chart displays monthly precipitation patterns in Tooele, 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 Tooele, September typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 5 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 Tooele

In Tooele in September, humidity is 46%. With an average temperature of 20°C (68°F), this humidity feels like a comfortable embrace, making it perfect for exploring the sights without feeling overly sticky or weighed down.

September Average Humidity in Tooele

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

In Tooele 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 Tooele.

Maximum UV Index Levels in Tooele for September

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

Data source: Tooele 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 Tooele Compares to Other Months

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

This table compares monthly weather conditions in Tooele, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	45 mm (1.8 inches)	91%	moderate
February Weather	0°C (33°F)	52 mm (2.0 inches)	92%	moderate
March Weather	5°C (42°F)	67 mm (2.6 inches)	84%	high
April Weather	10°C (50°F)	63 mm (2.5 inches)	74%	very high
May Weather	15°C (60°F)	53 mm (2.1 inches)	62%	extreme
June Weather	23°C (73°F)	16 mm (0.6 inches)	56%	extreme
July Weather	27°C (81°F)	18 mm (0.7 inches)	44%	extreme
August Weather	26°C (78°F)	25 mm (1.0 inches)	37%	extreme
September Weather	20°C (68°F)	36 mm (1.4 inches)	46%	very high
October Weather	10°C (50°F)	37 mm (1.5 inches)	67%	high
November Weather	5°C (41°F)	30 mm (1.2 inches)	84%	moderate
December Weather	-1°C (30°F)	39 mm (1.6 inches)	88%	moderate