September weather forecastCannonsburg, MI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Cannonsburg, Michigan, with an average temperature varying between 52.7°F (11.5°C) and 72.1°F (22.3°C).Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from a warm 78.4°F (25.8°C) in August to an agreeable 72.1°F (22.3°C). In the month of September, Cannonsburg experiences an average low-temperature of 52.7°F (11.5°C).Humidity
The average relative humidity in September is 78%.Rainfall
In Cannonsburg, in September, during 11.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Cannonsburg, during the entire year, the rain falls for 142.8 days and collects up to 27.28" (693mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 7:07 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:24 pm EDT.
Sunshine
The average sunshine in September in Cannonsburg, Michigan, is 7.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cannonsburg, MI
- Average high temperature in September: 72.1°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in September
Cannonsburg, 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
Cannonsburg, MI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Cannonsburg, MI
- Average humidity in September: 78%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Cannonsburg, MI
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in September
Cannonsburg, MI
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Cannonsburg, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.63").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cannonsburg, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cannonsburg, 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: 7h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in September
Cannonsburg, MI
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is January (9.2 days).
Average UV index in September
Cannonsburg, MI
- Average UV index in September: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Cannonsburg, MI
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Cannonsburg, MI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The month with the lowest visibility is January (4mi).





