September weather forecastEthelwood, MI
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Ethelwood, Michigan, with an average temperature varying between 66.2°F (19°C) and 49.3°F (9.6°C).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a moderately hot 74.1°F (23.4°C) in August to a refreshing 66.2°F (19°C). An average nighttime temperature of 49.3°F (9.6°C) is witnessed throughout September.Humidity
In Ethelwood, the average relative humidity in September is 79%.Rainfall
In Ethelwood, during September, the rain falls for 14 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Ethelwood, during the entire year, the rain falls for 112.5 days and collects up to 22.68" (576mm) of precipitation.Snowfall
In Ethelwood, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:37 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:40 pm CDT.
Sunshine
The average sunshine in September is 7.7h.UV index
In Ethelwood, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 3 during September leads to these instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ethelwood, MI
- Average high temperature in September: 66.2°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (19.2°F).
- Average low temperature in September: 49.3°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in September
Ethelwood, MI
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Ethelwood, MI
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are June, July and August (7.1mph).
Average humidity in September
Ethelwood, MI
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Ethelwood, MI
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in September
Ethelwood, MI
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is August (14.4 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in September
Ethelwood, MI
- Average snowfall in September: 0"
The month with the highest snowfall is December (10.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ethelwood, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (23.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ethelwood, 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 42min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 30min).
Average sunshine days in September
Ethelwood, MI
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is July (15.5 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in September
Ethelwood, MI
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Ethelwood, MI
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Ethelwood, MI
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, September and October (6mi).
The months with the lowest visibility are January and February (4mi).





