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
Flom's September weather features a light decline in high-temperatures, reducing from a moderately hot 77.5°F (25.3°C) in August to a pleasant 68.9°F (20.5°C). In Flom, the nighttime temperature averages to a cool 50°F (10°C) during September.Humidity
The average relative humidity in September is 70%.Rainfall
In Flom, in September, it is raining for 9.7 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, in Flom, there are 109.9 rainfall days, and 19.72" (501mm) of precipitation is accumulated.Snowfall
In Flom, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 32min.On the first day of September in Flom, sunrise is at 6:44 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:05 pm CDT.
Sunshine
In Flom, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Flom is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Flom?
What is the average humidity in September in Flom?
How many days does it rain in September in Flom?
When it does not snow in Flom?
Does it snow in Flom in September?
What is the average length of the day in September in Flom?
When is the sunrise / sunset in September in Flom?
How many hours of sunshine does Flom have in September?
How high is the UV index in September in Flom?
Average temperature in September
Flom, MN
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (15.6°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (1.9°F).
Average pressure in September
Flom, MN
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Flom, MN
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is October (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in September
Flom, MN
- Average humidity in September: 70%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Flom, MN
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in September
Flom, MN
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in September
Flom, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Flom, MN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (19.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Flom, MN
- Average daylight in September: 12h and 3min
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: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Flom, MN
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Flom, MN
- 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
Flom, MN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Flom, MN
- 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 and February (4mi).
Flom, Minnesota, USA
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