September weather forecastMichigan, ND
September
Weather in September
September, the first month of the autumn in Michigan, is still a pleasant month, with an average temperature fluctuating between 70°F (21.1°C) and 51.4°F (10.8°C).Temperature
With the beginning of September, the average high-temperature shows a decrease, transitioning from a moderately hot 79.9°F (26.6°C) in August to a pleasant 70°F (21.1°C). Michigan experiences a mean temperature of 51.4°F (10.8°C) during September nights.Humidity
In Michigan, the average relative humidity in September is 62%.Rainfall
In September, in Michigan, the rain falls for 8.3 days. Throughout September, 1.54" (39mm) of precipitation is accumulated. In Michigan, North Dakota, during the entire year, the rain falls for 91.5 days and collects up to 15.31" (389mm) of precipitation.Snowfall
June through September are months without snowfall in Michigan.Daylight
In September, the average length of the day in Michigan is 12h and 34min.On the first day of the month, sunrise is at 6:51 am and sunset at 8:12 pm. On the last day of September, in Michigan, sunrise is at 7:31 am and sunset at 7:13 pm CDT.
Sunshine
In Michigan, North Dakota, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing 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
Michigan, ND
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is January (15.4°F).
- Average low temperature in September: 51.4°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (1.4°F).
Average pressure in September
Michigan, ND
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Michigan, ND
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is October (11mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).
Average humidity in September
Michigan, ND
- Average humidity in September: 62%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Michigan, ND
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is June (2.99").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Michigan, ND
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in September
Michigan, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Michigan, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Michigan, ND
- Average daylight in September: 12h and 36min
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: 8h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Michigan, ND
- Average sunshine days in September: 20.3 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Michigan, ND
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in September
Michigan, ND
- Average cloud cover in September: 29
The months with the most cloud cover are January and February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Michigan, ND
- 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, February, March and December (5mi).





