September weather forecastRoosevelt, UT
September
Weather in September
September, the first month of the autumn in Roosevelt, is also an agreeable month, with temperature in the range of an average low of 50.9°F (10.5°C) and an average high of 73.2°F (22.9°C).Temperature
A moderate decline in average high-temperatures is noted in September, moving from a moderately hot 82°F (27.8°C) in August to an agreeable 73.2°F (22.9°C). Roosevelt's nights during September are marked by a pronounced drop from daytime temperatures, experiencing an average low of 50.9°F (10.5°C).Humidity
The average relative humidity in September is 37%.Rainfall
In Roosevelt, during September, the rain falls for 6.9 days and regularly aggregates up to 0.47" (12mm) of precipitation. In Roosevelt, during the entire year, the rain falls for 74.4 days and collects up to 5.94" (151mm) of precipitation.Snowfall
In Roosevelt, snow does not fall in May through September.Daylight
In Roosevelt, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:48 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:03 pm MDT.
Sunshine
In Roosevelt, the average sunshine in September is 10.7h.UV index
In Roosevelt, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Roosevelt, UT
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in September
Roosevelt, UT
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Roosevelt, UT
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is June (7mph).
The calmest month (with the lowest average wind speed) is January (3.8mph).
Average humidity in September
Roosevelt, UT
- Average humidity in September: 37%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is June (31%).
Average rainfall in September
Roosevelt, UT
- Average rainfall in September: 0.47"
The wettest months (with the highest rainfall) are March and May (0.67").
The driest month (with the least rainfall) is November (0.24").
Average rainfall days in September
Roosevelt, UT
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is July (9.4 days).
The month with the least rainy days is November (2.3 days).
Average snowfall in September
Roosevelt, UT
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Roosevelt, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Roosevelt, 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 24min).
- Average sunshine in September: 10h and 42min
The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in September
Roosevelt, UT
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is November (25.8 days).
The month with the least sunshine days is July (16.8 days).
Average UV index in September
Roosevelt, UT
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Roosevelt, UT
- Average cloud cover in September: 11
The month with the most cloud cover is February (Cloud cover 27).
The months with the least cloud cover are August and September (Cloud cover 11).
Average visibility in September
Roosevelt, 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).
