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
Windom observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 78.4°F (25.8°C) to a pleasant 72.5°F (22.5°C). The nighttime temperature in Windom, during September, averages of 52.9°F (11.6°C).Humidity
In Windom, the average relative humidity in September is 73%.Rainfall
In September, the rain falls for 11.9 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. Throughout the year, in Windom, there are 121.5 rainfall days, and 24.06" (611mm) of precipitation is accumulated.Snowfall
In Windom, snow does not fall in June through September.Daylight
In September, the average length of the day in Windom is 12h and 29min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:55 pm. On the last day of September, in Windom, sunrise is at 7:17 am and sunset at 7:02 pm CDT.
Sunshine
In Windom, the average sunshine in September is 9.1h.UV index
In Windom, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the temperature in September in Windom?
What is the average humidity in September in Windom?
How much does it rain in Windom in September?
When it does not snow in Windom?
Does it snow in Windom in September?
How many hours of daylight does Windom have in September?
When is the sunrise / sunset in September in Windom?
How long on average sun shines in September in Windom?
What is the UV index reading in September in Windom?
Average temperature in September
Windom, MN
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in September: 52.9°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 (7.9°F).
Average pressure in September
Windom, MN
- Average pressure in September: 29.99"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Windom, MN
- Average wind speed in September: 9.2mph
The windiest months (with the highest average wind speed) are January and February (11mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in September
Windom, MN
- Average humidity in September: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Windom, MN
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Windom, MN
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is January (1.9 days).
Average snowfall in September
Windom, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Windom, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Windom, MN
- Average daylight in September: 12h and 3min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Windom, MN
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
Windom, 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 and February (UV index 1).
Average cloud cover in September
Windom, MN
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in September
Windom, MN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Windom, Minnesota, USA
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