September weather forecastFairfield, ND
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Fairfield, North Dakota, with an average temperature varying between 52.7°F (11.5°C) and 71.4°F (21.9°C).Temperature
September ushers in a slight temperature change, with average high-temperatures reducing from August's moderately hot 81.7°F (27.6°C) to an agreeable 71.4°F (21.9°C). An average minimum temperature of 52.7°F (11.5°C) marks the month of September in Fairfield.Humidity
In Fairfield, the average relative humidity in September is 52%.Rainfall
In Fairfield, during September, the rain falls for 8.2 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Fairfield, during the entire year, the rain falls for 90.5 days and collects up to 13.78" (350mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 6:13 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:33 pm MDT.
Sunshine
The average sunshine in September in Fairfield is 9.8h.UV index
In Fairfield, North Dakota, 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 the average person.Note: The UV index of 4 during September leads to these advisories:
Take necessary precautions - Suggestions to elude sunburn are provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fairfield, ND
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in September
Fairfield, ND
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Fairfield, ND
- Average wind speed in September: 10.5mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in September
Fairfield, ND
- Average humidity in September: 52%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (51%).
Average rainfall in September
Fairfield, ND
- Average rainfall in September: 1.5"
The wettest months (with the highest rainfall) are May and July (1.93").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Fairfield, ND
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is June (12.9 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in September
Fairfield, ND
- Average snowfall in September: 0"
The month with the highest snowfall is November (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fairfield, ND
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (11.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Fairfield, ND
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).
Average sunshine days in September
Fairfield, ND
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is April (14.4 days).
Average UV index in September
Fairfield, ND
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Fairfield, ND
- Average cloud cover in September: 24
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in September
Fairfield, ND
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
