September weather forecastSquier, MN
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Squier, Minnesota, with an average temperature fluctuating between 70.7°F (21.5°C) and 51.6°F (10.9°C).Temperature
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a warm 79.3°F (26.3°C) in August to a pleasant 70.7°F (21.5°C). During the month of September, the temperature falls to an average of 51.6°F (10.9°C).Humidity
The average relative humidity in September in Squier, Minnesota, is 67%.Rainfall
In Squier, in September, during 10.6 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 116.9 rainfall days, and 21.54" (547mm) of precipitation is accumulated.Snowfall
In Squier, snow does not fall in June through September.Daylight
In September, the average length of the day in Squier is 12h and 32min.On the first day of September, sunrise is at 6:45 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:05 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Squier, MN
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (16.3°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (3.7°F).
Average pressure in September
Squier, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Squier, MN
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in September
Squier, MN
- Average humidity in September: 67%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (66%).
Average rainfall in September
Squier, MN
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Squier, MN
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in September
Squier, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Squier, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Squier, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Squier, MN
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
Squier, 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
Squier, MN
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Squier, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





