September weather forecastRapid River, MI
September
Weather in September
September, the first month of the autumn in Rapid River, is still a refreshing month, with an average temperature ranging between max 66°F (18.9°C) and min 52.7°F (11.5°C).Temperature
With the onset of September, Rapid River's average high-temperature slightly adjusts, moderately receding from August's pleasant 72.5°F (22.5°C) to a refreshing 66°F (18.9°C). In September, Rapid River records an average nighttime temperature of 52.7°F (11.5°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Rapid River, in September, during 12.9 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, in Rapid River, Michigan, there are 139.7 rainfall days, and 24.17" (614mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Rapid River.Daylight
In Rapid River, Michigan, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 7:09 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 7:29 pm EDT.
Sunshine
In September, the average sunshine in Rapid River, Michigan, is 7.7h.UV index
The average daily maximum UV index in September in Rapid River is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rapid River, MI
- Average high temperature in September: 66°F
The warmest month (with the highest average high temperature) is July (72.7°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in September
Rapid River, 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
Rapid River, MI
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is November (11mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity in September
Rapid River, MI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Rapid River, MI
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is October (2.91").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in September
Rapid River, MI
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Rapid River, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Rapid River, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rapid River, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Rapid River, MI
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in September
Rapid River, MI
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Rapid River, MI
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Rapid River, MI
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
