September weather forecastTwin Lakes, MN
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Twin Lakes, Minnesota, with an average temperature varying between 53.1°F (11.7°C) and 71.2°F (21.8°C).Temperature
September signals a slight drop in average high-temperature, sliding from August's moderately hot 76.8°F (24.9°C) to a pleasant 71.2°F (21.8°C). Throughout September, Twin Lakes witnesses a nighttime temperature average of 53.1°F (11.7°C).Humidity
In Twin Lakes, the average relative humidity in September is 78%.Rainfall
In Twin Lakes, during September, the rain falls for 12 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Twin Lakes, during the entire year, the rain falls for 132.3 days and collects up to 26.65" (677mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:55 pm CDT.
Sunshine
In September, the average sunshine in Twin Lakes is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, the UV index of 4 transforms into the following advice:
Prioritize safety - Suggestions to prevent sun damage are offered. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Twin Lakes, MN
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in September
Twin Lakes, MN
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Twin Lakes, MN
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7.4mph).
Average humidity in September
Twin Lakes, MN
- Average humidity in September: 78%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (72%).
Average rainfall in September
Twin Lakes, MN
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Twin Lakes, MN
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Twin Lakes, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Twin Lakes, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Twin Lakes, 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 48min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Twin Lakes, MN
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (8.7 days).
Average UV index in September
Twin Lakes, 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, November and December (UV index 1).
Average cloud cover in September
Twin Lakes, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Twin Lakes, MN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
