September weather forecastSoma, UT
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Soma, Utah, with an average temperature varying between 50.2°F (10.1°C) and 75.6°F (24.2°C).Temperature
The shift to September brings a decrease in the average high-temperature, falling from 84.6°F (29.2°C) in August to a still warm 75.6°F (24.2°C). The nighttime temperature in Soma, Utah, shows a significant divergence from the daytime highs, averaging at a fresh 50.2°F (10.1°C) in September.Humidity
In September, the average relative humidity in Soma is 40%.Rainfall
In Soma, in September, it is raining for 7.4 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, in Soma, there are 99.7 rainfall days, and 11.61" (295mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Soma, Utah.Daylight
In September, the average length of the day in Soma is 12h and 26min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:59 pm. On the last day of September, in Soma, sunrise is at 7:24 am and sunset at 7:12 pm MDT.
Sunshine
In September, the average sunshine is 10.1h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Soma, UT
- Average high temperature in September: 75.6°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Soma, UT
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Soma, UT
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are April and June (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in September
Soma, UT
- Average humidity in September: 40%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is June (34%).
Average rainfall in September
Soma, UT
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is March (1.57").
The driest month (with the least rainfall) is June (0.43").
Average rainfall days in September
Soma, UT
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is April (11.7 days).
The month with the least rainy days is June (5.3 days).
Average snowfall in September
Soma, UT
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Soma, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Soma, UT
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 10h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Soma, UT
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is June (22 days).
The month with the least sunshine days is February (13.9 days).
Average UV index in September
Soma, UT
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Soma, UT
- Average cloud cover in September: 10
The months with the most cloud cover are January and December (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Soma, UT
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
