September weather forecastTooele, UT
September
Weather in September
September in Tooele exhibits a noticeable transition from the sweltering heat of August to the onset of autumn. The city says goodbye to the summer season, as temperatures start dropping, and leaves begin changing color. The autumnal equinox marks the official start of the fall season, and Tooele welcomes the new season with the beauty of misty mornings and crisp, breezy afternoons. This time of year becomes an attractive period for sightseeing and spontaneous outdoor explorations.Temperature
Setting in of September comes with a decrease in the average high-temperature, moving from a warm 81.7°F (27.6°C) in August to a pleasant 72.7°F (22.6°C). September's average low-temperature reading settles at a moderate 55.4°F (13°C).Humidity
In September, the average relative humidity is 42%.Rainfall
In Tooele, in September, during 10.1 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Tooele, during the entire year, the rain falls for 137.7 days and collects up to 20.98" (533mm) of precipitation.Snowfall
In Tooele, snow does not fall in June through September.Daylight
In September, the average length of the day in Tooele is 12h and 27min.On the first day of September in Tooele, Utah, sunrise is at 6:57 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:12 pm MDT.
Sunshine
In September, the average sunshine is 9.7h.UV index
In Tooele, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tooele, UT
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Tooele, UT
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Tooele, UT
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is January (6mph).
Average humidity in September
Tooele, UT
- Average humidity in September: 42%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (36%).
Average rainfall in September
Tooele, UT
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is June (1.1").
Average rainfall days in September
Tooele, UT
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is April (16.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
Tooele, UT
- Average snowfall in September: 0"
The month with the highest snowfall is December (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Tooele, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tooele, UT
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Tooele, UT
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in September
Tooele, UT
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Tooele, UT
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Tooele, UT
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
