September weather forecastCarlton, MN
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Carlton, Minnesota, with an average temperature ranging between min 48.6°F (9.2°C) and max 67.8°F (19.9°C).Temperature
The transition into September indicates a reduction in the average high-temperature, down to a refreshing 67.8°F (19.9°C) from August's warm 76.8°F (24.9°C). Carlton's temperature lowers to a mean of 48.6°F (9.2°C) during the nights in September.Humidity
In Carlton, the average relative humidity in September is 77%.Rainfall
In Carlton, in September, during 12.7 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 120.8 rainfall days, and 22.87" (581mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Carlton, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:50 pm CDT.
Sunshine
The average sunshine in September is 8h.UV index
In Carlton, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Carlton, MN
- Average high temperature in September: 67.8°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (16.2°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (2.5°F).
Average pressure in September
Carlton, MN
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Carlton, MN
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Carlton, MN
- Average humidity in September: 77%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Carlton, MN
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Carlton, MN
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in September
Carlton, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.6").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Carlton, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Carlton, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Carlton, MN
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Carlton, 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, November and December (UV index 1).
Average cloud cover in September
Carlton, MN
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Carlton, MN
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





