September weather forecastFairmount, ND
September
Weather in September
September, the first month of the autumn in Fairmount, is also an agreeable month, with an average temperature fluctuating between 52.5°F (11.4°C) and 72°F (22.2°C).Temperature
Fairmount records a mild change in average high-temperature during September, easing from a moderately hot 80.8°F (27.1°C) in August to an agreeable 72°F (22.2°C). September nights in Fairmount cool down to an average low-temperature of 52.5°F (11.4°C).Humidity
The months with the lowest humidity in Fairmount are May and September, with an average relative humidity of 65%.Rainfall
In Fairmount, in September, during 9.3 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Fairmount, during the entire year, the rain falls for 108.3 days and collects up to 18.78" (477mm) of precipitation.Snowfall
In Fairmount, North Dakota, snow does not fall in June through September.Daylight
The average length of the day in September in Fairmount is 12h and 32min.On the first day of the month, sunrise is at 6:48 am and sunset at 8:04 pm. On the last day of September, in Fairmount, sunrise is at 7:24 am and sunset at 7:07 pm CDT.
Sunshine
The average sunshine in September in Fairmount is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fairmount, ND
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (17.6°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (3.9°F).
Average pressure in September
Fairmount, ND
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Fairmount, ND
- Average wind speed in September: 9.4mph
The windiest months (with the highest average wind speed) are April and October (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in September
Fairmount, ND
- Average humidity in September: 65%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are May and September (65%).
Average rainfall in September
Fairmount, ND
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Fairmount, ND
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in September
Fairmount, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fairmount, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fairmount, ND
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Fairmount, ND
- Average sunshine days in September: 19 days
The month with the most sunshine days is September (19 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in September
Fairmount, ND
- 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 and December (UV index 1).
Average cloud cover in September
Fairmount, ND
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 25).
Average visibility in September
Fairmount, ND
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
