September weather forecastLexington, MN
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Lexington, Minnesota, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 53.1°F (11.7°C).Temperature
September brings a minor shift in the average high-temperature, adjusting from a moderately hot 78.6°F (25.9°C) in August to an agreeable 70.7°F (21.5°C). An average nighttime temperature of 53.1°F (11.7°C) is noted during the month of September.Humidity
The average relative humidity in September is 74%.Rainfall
In Lexington, during September, the rain falls for 6.5 days and regularly aggregates up to 0.31" (8mm) of precipitation. Throughout the year, there are 66.4 rainfall days, and 4.84" (123mm) of precipitation is accumulated.Snowfall
In Lexington, snow does not fall in June through September.Daylight
In Lexington, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:54 pm CDT.
Sunshine
In Lexington, Minnesota, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lexington, MN
- Average high temperature in September: 70.7°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 (19.8°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Lexington, 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
Lexington, MN
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Lexington, 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 (71%).
Average rainfall in September
Lexington, MN
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is June (0.79").
The driest month (with the least rainfall) is January (0.16").
Average rainfall days in September
Lexington, MN
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is June (10.1 days).
The month with the least rainy days is February (1 days).
Average snowfall in September
Lexington, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lexington, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lexington, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Lexington, MN
- Average sunshine days in September: 21.9 days
The month with the most sunshine days is December (25 days).
The month with the least sunshine days is June (16.2 days).
Average UV index in September
Lexington, 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 January, February, November and December (UV index 1).
Average cloud cover in September
Lexington, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Lexington, 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).





