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
Start of September brings a shift in the average high-temperature, falling from August's warm 83.1°F (28.4°C) to a pleasant 73°F (22.8°C). September in Mantua, marked by an average low-temperature of 49.8°F (9.9°C), indicates a large temperature drop from the daytime peak.Humidity
The average relative humidity in September is 43%.Rainfall
In Mantua, in September, it is raining for 9.5 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, in Mantua, Utah, there are 117.9 rainfall days, and 18.39" (467mm) of precipitation is accumulated.Snowfall
January through June, 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 0.43" (11mm) of snow. In Mantua, during the entire year, snow falls for 78.9 days and aggregates up to 70.39" (1788mm) of snow.Daylight
In Mantua, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:54 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:10 pm MDT.
Sunshine
In September, the average sunshine in Mantua is 9.8h.UV index
The average daily maximum UV index in September in Mantua, Utah, is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Mantua in September?
What is the average humidity in September in Mantua?
How much does it rain in Mantua in September?
When does it start to snow in Mantua?
What is the average length of the day in September in Mantua?
When are sunrise and sunset in September in Mantua?
How many hours of sunshine does Mantua have in September?
What is the UV index intensity in September in Mantua?
Average temperature in September
Mantua, UT
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in September
Mantua, UT
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Mantua, UT
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are April and June (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in September
Mantua, UT
- Average humidity in September: 43%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (36%).
Average rainfall in September
Mantua, UT
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is January (2.2").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in September
Mantua, UT
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in September
Mantua, UT
- Average snowfall in September: 0.43"
The month with the highest snowfall is January (17.32").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Mantua, UT
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (16.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Mantua, UT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Mantua, 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 (9.7 days).
Average UV index in September
Mantua, 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 and December (UV index 1).
Average cloud cover in September
Mantua, UT
- Average cloud cover in September: 15
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Mantua, 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 and February (4mi).
Mantua, Utah, USA
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