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
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 77.7°F (25.4°C) in August to a pleasant 71.1°F (21.7°C). An average low-temperature of 52.2°F (11.2°C) is expected in Cannon Falls during September.Humidity
In Cannon Falls, the average relative humidity in September is 78%.Rainfall
In Cannon Falls, Minnesota, in September, during 12.5 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, there are 128.1 rainfall days, and 25.16" (639mm) of precipitation is accumulated.Snowfall
In Cannon Falls, snow does not fall in June through September.Daylight
In Cannon Falls, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:47 pm. On the last day of September, in Cannon Falls, sunrise is at 7:09 am and sunset at 6:53 pm CDT.
Sunshine
The average sunshine in September in Cannon Falls is 8.6h.UV index
In Cannon Falls, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What is the average September temperature in Cannon Falls?
What is the average humidity in September in Cannon Falls?
How many days does it rain in September in Cannon Falls?
When it does not snow in Cannon Falls?
Does it snow in Cannon Falls in September?
What is the average length of the day in September in Cannon Falls?
What time are sunrise and sunset in September in Cannon Falls?
How many hours of sunshine does Cannon Falls have in September?
What is the UV index intensity in September in Cannon Falls?
Average temperature in September
Cannon Falls, MN
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Cannon Falls, MN
- Average pressure in September: 30"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
Cannon Falls, MN
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in September
Cannon Falls, MN
- Average humidity in September: 78%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Cannon Falls, MN
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Cannon Falls, MN
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is June (17.6 days).
The months with the least rainy days are January and February (2.5 days).
Average snowfall in September
Cannon Falls, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cannon Falls, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cannon Falls, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Cannon Falls, MN
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Cannon Falls, 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
Cannon Falls, MN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Cannon Falls, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Cannon Falls, Minnesota, USA
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