September weather forecastRepublic, MI
September
Weather in September
September, the first month of the autumn in Republic, is still a comfortable month, with an average temperature varying between 65.7°F (18.7°C) and 49.5°F (9.7°C).Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from an agreeable 72.7°F (22.6°C) in August to a refreshing 65.7°F (18.7°C). September witnesses an average low-temperature hovering around a chilly 49.5°F (9.7°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Republic, in September, it is raining for 14.1 days, with typically 2.05" (52mm) of accumulated precipitation. In Republic, during the entire year, the rain falls for 126.2 days and collects up to 25.98" (660mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 7:13 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 7:33 pm EDT.
Sunshine
The average sunshine in September in Republic is 7h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 during September translates into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Republic, MI
- Average high temperature in September: 65.7°F
The warmest month (with the highest average high temperature) is July (74.7°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in September: 49.5°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in September
Republic, MI
- Average pressure in September: 30"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
Republic, MI
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in September
Republic, MI
- Average humidity in September: 80%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Republic, MI
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is April (3.15").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in September
Republic, MI
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is August (15.6 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in September
Republic, MI
- Average snowfall in September: 0"
The month with the highest snowfall is December (12.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Republic, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (25.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Republic, 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 0min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in September
Republic, MI
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is January (5.4 days).
Average UV index in September
Republic, 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, March, November and December (UV index 1).
Average cloud cover in September
Republic, MI
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Republic, MI
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and March (4mi).





