September weather forecastDafter, MI
September
Weather in September
September, the first month of the autumn in Dafter, is still a comfortable month, with an average temperature varying between 65.1°F (18.4°C) and 50.2°F (10.1°C).Temperature
As September commences, the average high-temperature subtly reduces, transitioning from an agreeable 72.1°F (22.3°C) in August to a refreshing 65.1°F (18.4°C). An average low-temperature of 50.2°F (10.1°C) is noted during the month of September.Humidity
In September, the average relative humidity is 81%.Rainfall
In Dafter, during September, the rain falls for 12.3 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Dafter, during the entire year, the rain falls for 123.8 days and collects up to 23.15" (588mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:58 am and sunset at 8:15 pm. On the last day of September, sunrise is at 7:35 am and sunset at 7:18 pm EDT.
Sunshine
In September, the average sunshine is 7.5h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Exercise prevention - Precautions against solar damage are endorsed. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dafter, MI
- Average high temperature in September: 65.1°F
The warmest month (with the highest average high temperature) is July (72.3°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is February (9.9°F).
Average pressure in September
Dafter, MI
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Dafter, MI
- Average wind speed in September: 7.5mph
The windiest months (with the highest average wind speed) are November and December (9.1mph).
The calmest months (with the lowest average wind speed) are June and July (7mph).
Average humidity in September
Dafter, MI
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Dafter, MI
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in September
Dafter, MI
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is October (16.2 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Dafter, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dafter, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dafter, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in September
Dafter, MI
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is June (16 days).
The month with the least sunshine days is January (8.9 days).
Average UV index in September
Dafter, MI
- 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, November and December (UV index 1).
Average cloud cover in September
Dafter, MI
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Dafter, MI
- 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).





