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
September is marked by a subtle drop in average high-temperatures, transitioning from an agreeable 70.5°F (21.4°C) in August to an enjoyable 63.1°F (17.3°C). Mountain Home sees a large disparity in day to night temperatures in September, with the night temperature dropping to an average of 40.8°F (4.9°C).Humidity
In September, the average relative humidity is 48%.Rainfall
In Mountain Home, in September, it is raining for 7.5 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 98.4 rainfall days, and 11.54" (293mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Mountain Home, Utah. September is the first month it typically snows in Mountain Home. Throughout September, in the average 1.4 snowfall days, it receives 0.43" (11mm) of snow. In Mountain Home, during the entire year, snow falls for 87 days and aggregates up to 51.73" (1314mm) of snow.Daylight
In Mountain Home, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:52 pm. On the last day of September, in Mountain Home, sunrise is at 7:17 am and sunset at 7:04 pm MDT.
Sunshine
In Mountain Home, the average sunshine in September is 10.4h.UV index
In September, the average daily maximum UV index in Mountain Home is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Mountain Home?
What is the average humidity in September in Mountain Home?
How many days does it rain in September in Mountain Home?
When does it start snowing in Mountain Home?
How many hours of daylight does Mountain Home have in September?
When are sunrise and sunset in September in Mountain Home?
How long on average sun shines in September in Mountain Home?
What is the UV index reading in September in Mountain Home?
Average temperature in September
Mountain Home, UT
- Average high temperature in September: 63.1°F
The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in September: 40.8°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in September
Mountain Home, UT
- Average pressure in September: 29.96"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
Mountain Home, UT
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in September
Mountain Home, UT
- Average humidity in September: 48%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June and July (44%).
Average rainfall in September
Mountain Home, UT
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Mountain Home, UT
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is November (3.4 days).
Average snowfall in September
Mountain Home, UT
- Average snowfall in September: 0.43"
The month with the highest snowfall is March (10.24").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Mountain Home, UT
- Average snowfall days in September: 1.4 days
The month with the highest number of snowfall days is March (13.1 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Mountain Home, UT
- Average daylight in September: 12h and 2min
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: 10h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in September
Mountain Home, UT
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Mountain Home, UT
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Mountain Home, UT
- Average cloud cover in September: 13
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 13).
Average visibility in September
Mountain Home, 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).
Mountain Home, Utah, USA
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