September weather forecastSaint James, MN
September
Weather in September
September, the first month of the autumn in Saint James, is still a pleasant month, with temperature in the range of an average high of 72.7°F (22.6°C) and an average low of 53.6°F (12°C).Temperature
With the onset of September, Saint James experiences a modest temperature adjustment, with the average high-temperature gently receding from a warm 78.4°F (25.8°C) in August to an agreeable 72.7°F (22.6°C). In Saint James, the average low-temperature during the month of September is a fresh 53.6°F (12°C).Humidity
The average relative humidity in September is 74%.Rainfall
In Saint James, Minnesota, in September, it is raining for 9.4 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 98.2 rainfall days, and 12.91" (328mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Saint James, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:15 am and sunset at 7:00 pm CDT.
Sunshine
The average sunshine in September in Saint James is 8.9h.UV index
In Saint James, Minnesota, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. 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
Saint James, MN
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (21.4°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).
Average pressure in September
Saint James, MN
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Saint James, MN
- Average wind speed in September: 8.6mph
The windiest months (with the highest average wind speed) are February and April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in September
Saint James, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are May and October (68%).
Average rainfall in September
Saint James, MN
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Saint James, MN
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is June (14.8 days).
The month with the least rainy days is February (1.4 days).
Average snowfall in September
Saint James, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Saint James, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 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 James, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 54min
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 36min).
Average sunshine days in September
Saint James, MN
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.2 days).
Average UV index in September
Saint James, 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 February, November and December (UV index 1).
Average cloud cover in September
Saint James, MN
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility in September
Saint James, MN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
