Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 79.7°F (26.5°C) in August to a pleasant 71.1°F (21.7°C). Nighttime temperatures throughout September register a significant deviation from the day's highs, averaging at a frosty 45.3°F (7.4°C).Humidity
The average relative humidity in September is 46%.Rainfall
In Mount Pleasant, in September, during 8.4 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Mount Pleasant, during the entire year, the rain falls for 79.2 days and collects up to 10.31" (262mm) 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 0.08" (2mm) of snow. Throughout the year, there are 53.2 snowfall days, and 31.69" (805mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:54 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:09 pm MDT.
Sunshine
In September, the average sunshine in Mount Pleasant is 10.1h.UV index
In September, the average daily maximum UV index in Mount Pleasant is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. 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
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start snowing?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Mount Pleasant?
Average temperature in September
Mount Pleasant, UT
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in September: 45.3°F
The month with the highest average low temperature is July (53.2°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in September
Mount Pleasant, UT
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Mount Pleasant, UT
- Average wind speed in September: 5.3mph
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 (4.7mph).
Average humidity in September
Mount Pleasant, UT
- Average humidity in September: 46%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is June (38%).
Average rainfall in September
Mount Pleasant, UT
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is June (0.39").
Average rainfall days in September
Mount Pleasant, UT
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is December (3.3 days).
Average snowfall in September
Mount Pleasant, UT
- Average snowfall in September: 0.08"
The month with the highest snowfall is December (6.46").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Mount Pleasant, UT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Mount Pleasant, UT
- Average daylight in September: 12h and 2min
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 1min
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
Mount Pleasant, UT
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is October (23.3 days).
The month with the least sunshine days is July (15.5 days).
Average UV index in September
Mount Pleasant, UT
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, April, October, November and December (UV index 2).
Average cloud cover in September
Mount Pleasant, UT
- Average cloud cover in September: 12
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are August and September (Cloud cover 12).
Average visibility in September
Mount Pleasant, 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 months with the lowest visibility are January, February and December (4mi).
Mount Pleasant, Utah, USA
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