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
During the shift to September, Fairburn records a mild decrease in average high-temperature, moving from a warm 80.1°F (26.7°C) in August to a pleasant 71.4°F (21.9°C). Fairburn in September anticipates an average nighttime temperature of 51.1°F (10.6°C).Humidity
August and September, with an average relative humidity of 52%, are the least humid months in Fairburn.Rainfall
In Fairburn, South Dakota, during September, the rain falls for 10 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, in Fairburn, South Dakota, there are 135.4 rainfall days, and 20.39" (518mm) of precipitation is accumulated.Snowfall
Months with snowfall in Fairburn are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 0.35" (9mm) of snow. In Fairburn, during the entire year, snow falls for 75.1 days and aggregates up to 40.24" (1022mm) of snow.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:34 pm MDT.
Sunshine
In September, the average sunshine in Fairburn is 10.5h.UV index
The average daily maximum UV index in September in Fairburn, South Dakota, is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the temperature in September in Fairburn?
What are the least humid months in Fairburn?
What is the average humidity in September in Fairburn?
How much does it rain in Fairburn in September?
When does it start to snow in Fairburn?
What is the average length of the day in September in Fairburn?
When are sunrise and sunset in September in Fairburn?
How long on average sun shines in September in Fairburn?
What is the UV index reading in September in Fairburn?
Average temperature in September
Fairburn, SD
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (29.8°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (16.2°F).
Average pressure in September
Fairburn, SD
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Fairburn, SD
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in September
Fairburn, SD
- Average humidity in September: 52%
The months with the highest relative humidity are January and February (77%).
The months with the lowest relative humidity are August and September (52%).
Average rainfall in September
Fairburn, SD
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in September
Fairburn, SD
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (4.5 days).
Average snowfall in September
Fairburn, SD
- Average snowfall in September: 0.35"
The month with the highest snowfall is April (7.24").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Fairburn, SD
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Fairburn, SD
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 10h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in September
Fairburn, SD
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in September
Fairburn, SD
- 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, March, October, November and December (UV index 2).
Average cloud cover in September
Fairburn, SD
- Average cloud cover in September: 18
The month with the most cloud cover is April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Fairburn, SD
- 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).
Fairburn, South Dakota, USA
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