September weather forecastGreenland, MI
September
Weather in September
September, the first month of the autumn in Greenland, is also an enjoyable month, with temperature in the range of an average low of 52.7°F (11.5°C) and an average high of 63.5°F (17.5°C).Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from a pleasant 69.4°F (20.8°C) in August to a refreshing 63.5°F (17.5°C). Greenland, during the nights of September, experiences an average temperature drop to a cool 52.7°F (11.5°C).Humidity
In September, the average relative humidity in Greenland is 79%.Rainfall
In September, in Greenland, the rain falls for 13.3 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 122.6 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
In Greenland, Michigan, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 32min.On the first day of September in Greenland, sunrise is at 7:17 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 7:37 pm EDT.
Sunshine
In September, the average sunshine is 7.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the UV index of 4 transforms into the following advice:
Ensure safety - Sun damage prevention is strongly urged. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Greenland, MI
- Average high temperature in September: 63.5°F
The warmest month (with the highest average high temperature) is August (69.4°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in September
Greenland, MI
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Greenland, MI
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity in September
Greenland, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Greenland, MI
- Average rainfall in September: 1.85"
The wettest months (with the highest rainfall) are April, June, August and October (2.28").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in September
Greenland, MI
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is October (14.6 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in September
Greenland, MI
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Greenland, MI
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (22.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Greenland, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in September
Greenland, MI
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is July (15.5 days).
The month with the least sunshine days is January (5.6 days).
Average UV index in September
Greenland, MI
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Greenland, MI
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Greenland, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
