September weather forecastSouth Saint Paul, MN
September
Weather in September
The first month of the autumn, September, is also an agreeable month in South Saint Paul, Minnesota, with an average temperature varying between 52.9°F (11.6°C) and 71.4°F (21.9°C).Temperature
The onset of September brings a small shift in high-temperatures, falling from a moderately hot 78.4°F (25.8°C) in August to an agreeable 71.4°F (21.9°C). During September, South Saint Paul's temperature falls to a steady low-temperature average of 52.9°F (11.6°C).Humidity
In South Saint Paul, the average relative humidity in September is 75%.Rainfall
In South Saint Paul, in September, it is raining for 12.6 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 128.1 rainfall days, and 22.83" (580mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:53 pm CDT.
Sunshine
In South Saint Paul, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
South Saint Paul, MN
- Average high temperature in September: 71.4°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 (20.7°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in September
South Saint Paul, MN
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
South Saint Paul, MN
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
South Saint Paul, 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 (72%).
Average rainfall in September
South Saint Paul, MN
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
South Saint Paul, MN
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (3 days).
Average snowfall in September
South Saint Paul, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
South Saint Paul, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
South Saint Paul, MN
- Average daylight in September: 12h and 30min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
South Saint Paul, MN
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in September
South Saint Paul, 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
South Saint Paul, MN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
South Saint Paul, 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).
