September weather forecastGermfask, MI
September
Weather in September
September, the first month of the autumn in Germfask, is still a refreshing month, with an average temperature fluctuating between 65.7°F (18.7°C) and 52.7°F (11.5°C).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's pleasant 72.7°F (22.6°C) to an enjoyable 65.7°F (18.7°C). During September, Germfask experiences a consistent low-temperature average of 52.7°F (11.5°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Germfask, in September, during 12.3 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Germfask, during the entire year, the rain falls for 128.3 days and collects up to 22.52" (572mm) of precipitation.Snowfall
In Germfask, snow does not fall in May through September.Daylight
In Germfask, Michigan, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 7:05 am and sunset at 8:21 pm. On the last day of September, sunrise is at 7:41 am and sunset at 7:24 pm EDT.
Sunshine
The average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Germfask, MI
- Average high temperature in September: 65.7°F
The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in September
Germfask, MI
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Germfask, MI
- Average wind speed in September: 8.8mph
The windiest month (with the highest average wind speed) is November (10.6mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity in September
Germfask, MI
- Average humidity in September: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Germfask, MI
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is October (2.91").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in September
Germfask, MI
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is October (16 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Germfask, MI
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.44").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Germfask, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Germfask, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in September
Germfask, MI
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is June (15.8 days).
The month with the least sunshine days is January (8.2 days).
Average UV index in September
Germfask, MI
- Average UV index in September: 3
The months with the highest UV index are 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
Germfask, MI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Germfask, 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).





