September weather forecastMullett Lake, MI
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Mullett Lake, Michigan, with temperature in the range of an average high of 66.4°F (19.1°C) and an average low of 52.7°F (11.5°C).Temperature
A mild shift in the average high-temperature occurs in September, reducing from a warm 73.4°F (23°C) in August to a comfortable 66.4°F (19.1°C). During September, Mullett Lake's temperature averages to a fresh 52.7°F (11.5°C) at night.Humidity
In September, the average relative humidity is 78%.Rainfall
In Mullett Lake, during September, the rain falls for 11.8 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 129.4 rainfall days, and 21.34" (542mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 7:00 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:19 pm EDT.
Sunshine
In Mullett Lake, the average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 3 in September transforms into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mullett Lake, MI
- Average high temperature in September: 66.4°F
The warmest month (with the highest average high temperature) is August (73.4°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 (58.6°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).
Average pressure in September
Mullett Lake, 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
Mullett Lake, MI
- Average wind speed in September: 7.9mph
The windiest months (with the highest average wind speed) are January and December (10.1mph).
The calmest months (with the lowest average wind speed) are June and July (7.3mph).
Average humidity in September
Mullett Lake, MI
- Average humidity in September: 78%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (74%).
Average rainfall in September
Mullett Lake, MI
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is October (2.68").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in September
Mullett Lake, MI
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Mullett Lake, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Mullett Lake, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (22.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mullett Lake, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in September
Mullett Lake, MI
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is January (7 days).
Average UV index in September
Mullett Lake, 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
Mullett Lake, MI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Mullett Lake, MI
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
