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
September shows a mild decline in the average high-temperature, falling from August's moderately hot 75.7°F (24.3°C) to a refreshing 65.8°F (18.8°C). In Cusson, September is marked by an average low-temperature of 46.9°F (8.3°C).Humidity
The average relative humidity in September is 76%.Rainfall
In Cusson, Minnesota, in September, it is raining for 12.4 days, with typically 1.77" (45mm) of accumulated precipitation. In Cusson, during the entire year, the rain falls for 113.3 days and collects up to 20.75" (527mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Cusson, during the entire year, snow falls for 119.5 days and aggregates up to 48.35" (1228mm) of snow.Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:51 pm CDT.
Sunshine
In Cusson, the average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When does it start snowing?
What is the average length of the day in September?
When are sunrise and sunset in September in Cusson?
How many hours of sunshine does Cusson have in September?
What is the UV index reading in September?
Average temperature in September
Cusson, MN
- Average high temperature in September: 65.8°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (14.4°F).
- Average low temperature in September: 46.9°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (-0.2°F).
Average pressure in September
Cusson, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Cusson, MN
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Cusson, MN
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Cusson, MN
- Average rainfall in September: 1.77"
The wettest months (with the highest rainfall) are June and July (2.56").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in September
Cusson, MN
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Cusson, MN
- Average snowfall in September: 0.04"
The month with the highest snowfall is December (9.41").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Cusson, MN
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (24.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Cusson, MN
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h 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: 1h and 42min).
Average sunshine days in September
Cusson, MN
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in September
Cusson, MN
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Cusson, MN
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Cusson, MN
- Average visibility in September: 5mi
The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Cusson, Minnesota, USA
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