Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With September's arrival, Twin Valley sees a decrease in average high-temperatures, moving from a warm 80.2°F (26.8°C) in August to a pleasant 70.7°F (21.5°C). Nighttime temperature dips to a mean of 51.6°F (10.9°C) during September.Humidity
In Twin Valley, the average relative humidity in September is 64%.Rainfall
In Twin Valley, in September, it is raining for 9.2 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Twin Valley, Minnesota, there are 101.8 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 6:45 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:05 pm CDT.
Sunshine
In September, the average sunshine in Twin Valley is 8.7h.UV index
The average daily maximum UV index in September in Twin Valley is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What is the temperature in September in Twin Valley?
What is the average humidity in September in Twin Valley?
How much does it rain in Twin Valley in September?
When it does not snow in Twin Valley?
Does it snow in Twin Valley in September?
How many hours of daylight does Twin Valley have in September?
When is the sunrise / sunset in September in Twin Valley?
How long on average sun shines in September in Twin Valley?
What is the UV index intensity in September in Twin Valley?
Average temperature in September
Twin Valley, 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 (15.6°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (1°F).
Average pressure in September
Twin Valley, MN
- Average pressure in September: 29.96"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
Twin Valley, MN
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Twin Valley, MN
- Average humidity in September: 64%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Twin Valley, MN
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Twin Valley, MN
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is June (15.6 days).
The month with the least rainy days is January (1.5 days).
Average snowfall in September
Twin Valley, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Twin Valley, MN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Twin Valley, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Twin Valley, MN
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Twin Valley, 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
Twin Valley, MN
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Twin Valley, 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).
Twin Valley, Minnesota, USA
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