September weather forecastCold Spring, MN
September
Weather in September
September, the first month of the autumn in Cold Spring, is still a pleasant month, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 50.9°F (10.5°C).Temperature
Cold Spring's weather subtly changes with the onset of September, barely falling from a moderately hot 78.6°F (25.9°C) in August to an agreeable 70.9°F (21.6°C). September nights in Cold Spring, Minnesota, are marked by an average temperature drop to a fresh 50.9°F (10.5°C).Humidity
In Cold Spring, the average relative humidity in September is 74%.Rainfall
In Cold Spring, in September, it is raining for 9.3 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 109.6 rainfall days, and 17.52" (445mm) of precipitation is accumulated.Snowfall
In Cold Spring, snow does not fall in June through September.Daylight
The average length of the day in September in Cold Spring is 12h and 31min.On the first day of September in Cold Spring, Minnesota, sunrise is at 6:40 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 6:59 pm CDT.
Sunshine
In September, the average sunshine in Cold Spring is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. During midday, the Sun's radiation is strongest, and it's advisable 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
Cold Spring, MN
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in September: 50.9°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 (5.4°F).
Average pressure in September
Cold Spring, MN
- Average pressure in September: 29.99"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Cold Spring, MN
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in September
Cold Spring, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall in September
Cold Spring, MN
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Cold Spring, MN
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is January (2.2 days).
Average snowfall in September
Cold Spring, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cold Spring, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cold Spring, 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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Cold Spring, MN
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in September
Cold Spring, 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
Cold Spring, MN
- Average cloud cover in September: 34
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
Cold Spring, 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).





