September weather forecastRush Valley, UT
September
Weather in September
September, the first month of the autumn in Rush Valley, is also a moderately hot month, with temperature in the range of an average high of 74.5°F (23.6°C) and an average low of 54.5°F (12.5°C).Temperature
September weather is marked by a drop in the average high-temperature, falling from a moderately hot 84.4°F (29.1°C) in August to a still warm 74.5°F (23.6°C). Rush Valley's temperature drops to an average low of 54.5°F (12.5°C) during the nights of September.Humidity
The average relative humidity in September is 39%.Rainfall
In September, in Rush Valley, Utah, the rain falls for 10.7 days. Throughout September, 1.38" (35mm) of precipitation is accumulated. In Rush Valley, during the entire year, the rain falls for 120.7 days and collects up to 18.39" (467mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Rush Valley, there are 68.4 snowfall days, and 55.94" (1421mm) of snow is accumulated.Daylight
In Rush Valley, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:58 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:13 pm MDT.
Sunshine
In September, the average sunshine in Rush Valley is 9.8h.UV index
The average daily maximum UV index in September in Rush Valley is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 4 in September translates into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rush Valley, UT
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Rush Valley, 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
Rush Valley, UT
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is January (5.3mph).
Average humidity in September
Rush Valley, UT
- Average humidity in September: 39%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (33%).
Average rainfall in September
Rush Valley, UT
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is April (2.09").
The driest month (with the least rainfall) is June (0.79").
Average rainfall days in September
Rush Valley, UT
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in September
Rush Valley, UT
- Average snowfall in September: 0.04"
The months with the highest snowfall are January and December (12.99").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Rush Valley, UT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Rush Valley, 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 48min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Rush Valley, UT
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in September
Rush Valley, 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
Rush Valley, UT
- Average cloud cover in September: 13
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in September
Rush Valley, 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).





