September weather forecastBradley, MI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Bradley, Michigan, with an average temperature ranging between min 53.8°F (12.1°C) and max 72.5°F (22.5°C).Temperature
As September arrives, Bradley's weather displays a minor decrease in high-temperatures, transitioning from August's moderately hot 78.1°F (25.6°C) to an agreeable 72.5°F (22.5°C). Bradley usually reports an average low-temperature of 53.8°F (12.1°C) during the month of September.Humidity
In September, the average relative humidity is 78%.Rainfall
In Bradley, in September, during 11.8 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, there are 137.6 rainfall days, and 19.41" (493mm) of precipitation is accumulated.Snowfall
In Bradley, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 7:08 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:25 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 4 in September translates into this advice:
Ensure safety - Sun damage prevention is strongly urged. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bradley, MI
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Bradley, MI
- Average pressure in September: 30.03"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
Bradley, MI
- Average wind speed in September: 7.3mph
The windiest months (with the highest average wind speed) are January, February and April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Bradley, MI
- Average humidity in September: 78%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Bradley, MI
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is October (2.36").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in September
Bradley, MI
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is October (15 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Bradley, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bradley, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bradley, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Bradley, MI
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is February (9 days).
Average UV index in September
Bradley, MI
- Average UV index in September: 4
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Bradley, MI
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Bradley, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





