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
September
Weather in September
Temperature
September is characterized by a mild reduction in the average high-temperature, from a moderately hot 77.7°F (25.4°C) in August to an agreeable 70.3°F (21.3°C). During September, the average low-temperature is recorded at a fresh 52.3°F (11.3°C).Humidity
In Saint Francis, the average relative humidity in September is 75%.Rainfall
In Saint Francis, during September, the rain falls for 11.5 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Saint Francis, during the entire year, the rain falls for 119.4 days and collects up to 21.57" (548mm) of precipitation.Snowfall
In Saint Francis, Minnesota, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September, sunrise is at 6:36 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:55 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In Saint Francis, Minnesota, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature 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 Saint Francis have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Saint Francis have in September?
What is the UV index intensity in September?
Average temperature in September
Saint Francis, MN
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (19.2°F).
- Average low temperature in September: 52.3°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in September
Saint Francis, MN
- Average pressure in September: 29.99"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Saint Francis, MN
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in September
Saint Francis, MN
- Average humidity in September: 75%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Saint Francis, MN
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Saint Francis, MN
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Saint Francis, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saint Francis, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint Francis, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- 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
Saint Francis, MN
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Saint Francis, 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
Saint Francis, MN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Saint Francis, 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).