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 transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 78.3°F (25.7°C) in August to a pleasant 71.1°F (21.7°C). During September, Farmington's temperature averages to a fresh 52.7°F (11.5°C) at night.Humidity
In Farmington, the average relative humidity in September is 76%.Rainfall
In September, the rain falls for 7.3 days. Throughout September, 0.39" (10mm) of precipitation is accumulated. In Farmington, during the entire year, the rain falls for 72.4 days and collects up to 5.79" (147mm) of precipitation.Snowfall
In Farmington, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 6:35 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:54 pm CDT.
Sunshine
In Farmington, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: An average UV index of 4 in September transforms into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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 many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Farmington have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Farmington, MN
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Farmington, MN
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Farmington, MN
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Farmington, MN
- Average humidity in September: 76%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Farmington, MN
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is June (0.94").
The driest month (with the least rainfall) is January (0.16").
Average rainfall days in September
Farmington, MN
- Average rainfall days in September: 7.3 days
The month with the highest number of rainy days is June (9.7 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in September
Farmington, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Farmington, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Farmington, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Farmington, MN
- Average sunshine days in September: 20.3 days
The months with the most sunshine days are January and December (24.3 days).
The month with the least sunshine days is June (16.2 days).
Average UV index in September
Farmington, MN
- 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, November and December (UV index 1).
Average cloud cover in September
Farmington, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Farmington, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Farmington, Minnesota, USA
Weather forecast for your location
2. Allow the app to use your location