Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from a moderately hot 77.9°F (25.5°C) in August to a pleasant 71.6°F (22°C). Bannister's September nights cool down to an average low-temperature of 52.5°F (11.4°C).Humidity
In Bannister, Michigan, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 12 days. Throughout September, 1.34" (34mm) of precipitation is accumulated. Throughout the year, in Bannister, there are 137.2 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
In Bannister, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 7:02 am and sunset at 8:12 pm. On the last day of September, in Bannister, sunrise is at 7:34 am and sunset at 7:20 pm EDT.
Sunshine
In September, the average sunshine is 7.6h.UV index
The average daily maximum UV index in September in Bannister is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Bannister in September?
What is the average humidity in September in Bannister?
How much does it rain in Bannister in September?
When it does not snow in Bannister?
Does it snow in Bannister in September?
How many hours of daylight does Bannister have in September?
When are sunrise and sunset in September in Bannister?
How many hours of sunshine does Bannister have in September?
What is the UV index reading in September in Bannister?
Average temperature in September
Bannister, MI
- Average high temperature in September: 71.6°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 (27°F).
- Average low temperature in September: 52.5°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 (16.2°F).
Average pressure in September
Bannister, 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
Bannister, MI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Bannister, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Bannister, MI
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in September
Bannister, MI
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (5 days).
Average snowfall in September
Bannister, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Bannister, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bannister, MI
- Average daylight in September: 12h and 3min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Bannister, MI
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in September
Bannister, MI
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Bannister, MI
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Bannister, MI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, October and November (6mi).
The months with the lowest visibility are January, February, August, September and December (5mi).
Bannister, Michigan, USA
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