September weather forecastMayville, MI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Mayville, Michigan, with an average temperature fluctuating between 70.5°F (21.4°C) and 53.1°F (11.7°C).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 76.6°F (24.8°C) to a pleasant 70.5°F (21.4°C). During September, Mayville records a consistent average nighttime temperature of 53.1°F (11.7°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Mayville, during September, the rain falls for 11.7 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, there are 139.3 rainfall days, and 19.96" (507mm) of precipitation is accumulated.Snowfall
In Mayville, snow does not fall in June through September.Daylight
In Mayville, Michigan, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:58 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:15 pm EDT.
Sunshine
In September, the average sunshine is 7.9h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mayville, MI
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 53.1°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 (16.2°F).
Average pressure in September
Mayville, MI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Mayville, MI
- Average wind speed in September: 7.5mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Mayville, MI
- Average humidity in September: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Mayville, MI
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in September
Mayville, MI
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in September
Mayville, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mayville, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mayville, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Mayville, MI
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in September
Mayville, MI
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Mayville, MI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Mayville, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
