September weather forecastSevier, UT
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Sevier, Utah, with an average temperature varying between 46°F (7.8°C) and 68.9°F (20.5°C).Temperature
Sevier in September undergoes a slight reduction in the average high-temperature, shifting from August's moderately hot 75.4°F (24.1°C) to a pleasant 68.9°F (20.5°C). Sevier observes a dramatic plunge from daytime highs in September, settling at an average low-temperature of 46°F (7.8°C).Humidity
The average relative humidity in September in Sevier is 43%.Rainfall
In Sevier, in September, it is raining for 8 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 100.2 rainfall days, and 16.42" (417mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 62.4 snowfall days, and 53.03" (1347mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:12 pm MDT.
Sunshine
The average sunshine in September is 9.8h.UV index
In Sevier, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sevier, UT
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The months with the lowest average high temperature are January and December (31.6°F).
- Average low temperature in September: 46°F
The month with the highest average low temperature is July (54.1°F).
The coldest months (with the lowest average low temperature) are January and December (14.2°F).
Average pressure in September
Sevier, UT
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Sevier, UT
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is June (8.1mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).
Average humidity in September
Sevier, UT
- Average humidity in September: 43%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (32%).
Average rainfall in September
Sevier, UT
- Average rainfall in September: 0.79"
The wettest months (with the highest rainfall) are March and July (2.01").
The driest month (with the least rainfall) is June (0.39").
Average rainfall days in September
Sevier, UT
- Average rainfall days in September: 8 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is November (4.6 days).
Average snowfall in September
Sevier, UT
- Average snowfall in September: 0.16"
The month with the highest snowfall is March (11.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Sevier, UT
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (13 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Sevier, UT
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in September
Sevier, UT
- Average sunshine days in September: 20.3 days
The month with the most sunshine days is June (23.8 days).
The month with the least sunshine days is February (13.6 days).
Average UV index in September
Sevier, UT
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Sevier, UT
- Average cloud cover in September: 11
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is September (Cloud cover 11).
Average visibility in September
Sevier, 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).
