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 shift from August to September corresponds with a decrease in the average high-temperature, down to an enjoyable 67.8°F (19.9°C) from a moderately hot 78.3°F (25.7°C). Fairdale registers a consistent average low-temperature of 49.6°F (9.8°C) during September.Humidity
In September, the average relative humidity is 62%.Rainfall
In September, in Fairdale, the rain falls for 9.7 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 105.9 rainfall days, and 16.69" (424mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Fairdale, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 6:51 am and sunset at 8:13 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:13 pm CDT.
Sunshine
In Fairdale, the average sunshine in September is 8.6h.UV index
In Fairdale, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Prioritize safety - Recommendations to avert sunburn are shared. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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 much does it rain in Fairdale in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September in Fairdale?
When are sunrise and sunset in September?
How long on average sun shines in September in Fairdale?
What is the UV index reading in September?
Average temperature in September
Fairdale, ND
- Average high temperature in September: 67.8°F
The warmest month (with the highest average high temperature) is August (78.3°F).
The month with the lowest average high temperature is January (13.5°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).
Average pressure in September
Fairdale, ND
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Fairdale, ND
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is October (11.2mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Fairdale, ND
- Average humidity in September: 62%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Fairdale, ND
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is June (2.99").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in September
Fairdale, ND
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in September
Fairdale, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fairdale, ND
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Fairdale, ND
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Fairdale, ND
- Average sunshine days in September: 19 days
The month with the most sunshine days is August (20.1 days).
The month with the least sunshine days is June (8.7 days).
Average UV index in September
Fairdale, ND
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Fairdale, ND
- Average cloud cover in September: 30
The months with the most cloud cover are January and February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Fairdale, ND
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Fairdale, North Dakota, USA
Weather forecast for your location
2. Allow the app to use your location