September weather forecastWinnebago, MN
September
Weather in September
September, the first month of the autumn in Winnebago, is also an agreeable month, with an average temperature fluctuating between 72.9°F (22.7°C) and 54°F (12.2°C).Temperature
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a warm 78.4°F (25.8°C) to a pleasant 72.9°F (22.7°C). Winnebago experiences a mean temperature of 54°F (12.2°C) during September nights.Humidity
In September, the average relative humidity is 75%.Rainfall
In Winnebago, during September, the rain falls for 11 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Winnebago, during the entire year, the rain falls for 111.2 days and collects up to 18.35" (466mm) of precipitation.Snowfall
In Winnebago, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:13 am and sunset at 6:58 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
In Winnebago, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Winnebago, MN
- Average high temperature in September: 72.9°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 (21.6°F).
- Average low temperature in September: 54°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in September
Winnebago, MN
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Winnebago, MN
- Average wind speed in September: 8.6mph
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 (7.4mph).
Average humidity in September
Winnebago, MN
- Average humidity in September: 75%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Winnebago, MN
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in September
Winnebago, MN
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Winnebago, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Winnebago, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Winnebago, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Winnebago, MN
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in September
Winnebago, 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 February and November (UV index 1).
Average cloud cover in September
Winnebago, MN
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Winnebago, MN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
