September weather forecastSaint Cloud, MN
September
Weather in September
September arrives with a refreshing change, as temperatures in Saint Cloud begin to cool, ranging between 51.3°F (10.7°C) to 70.2°F (21.2°C). This month boasts of no snowfall and a decrease in rainfall to 1.14" (29mm), making it relatively drier compared to August. As the month progresses, the daylight gradually shortens, hinting at the approach of the fall season. Despite the retreating summer, the weather remains enjoyable for outdoor pursuits. While cloud cover increases, this doesn't prevent the sun from making consistent appearances, producing beautiful autumnal rays.Temperature
In the transition to September, Saint Cloud observes a minor drop in the average high-temperature, shifting from a moderately hot 77.9°F (25.5°C) in August to an agreeable 70.2°F (21.2°C). September sees the temperature falling to a mean low of 51.3°F (10.7°C).Humidity
The average relative humidity in September is 74%.Rainfall
In Saint Cloud, in September, it is raining for 10.5 days, with typically 1.14" (29mm) of accumulated precipitation. In Saint Cloud, during the entire year, the rain falls for 107.2 days and collects up to 15.75" (400mm) of precipitation.Snowfall
In Saint Cloud, 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 6:38 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:58 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 in September translates into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint Cloud, MN
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (18.5°F).
- Average low temperature in September: 51.3°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in September
Saint Cloud, MN
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Saint Cloud, MN
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in September
Saint Cloud, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall in September
Saint Cloud, MN
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Saint Cloud, MN
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in September
Saint Cloud, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saint Cloud, 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 Cloud, MN
- Average daylight in September: 12h and 30min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Saint Cloud, MN
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in September
Saint Cloud, 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 Cloud, MN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Saint Cloud, 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).
