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
The arrival of September correlates with a minor temperature reduction, down from August's moderately hot 77.2°F (25.1°C) to a pleasant 69.8°F (21°C). During September in South Branch, the average low-temperature is recorded at a cool 50.9°F (10.5°C).Humidity
In South Branch, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall in South Branch. Rain falls for 11.5 days and accumulates 0.98" (25mm) of precipitation.Snowfall
In South Branch, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 30min.On the first day of September in South Branch, Michigan, sunrise is at 6:59 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:17 pm EDT.
Sunshine
In September, the average sunshine in South Branch, Michigan, is 8h.UV index
The average daily maximum UV index in September in South Branch is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the usual temperature for South Branch in September?
What is the average humidity in September in South Branch?
What is the driest month in South Branch?
How much does it rain in South Branch in September?
When it does not snow in South Branch?
Does it snow in South Branch in September?
What is the average length of the day in September in South Branch?
When is the sunrise / sunset in September in South Branch?
How many hours of sunshine does South Branch have in September?
What is the UV index intensity in September in South Branch?
Average temperature in September
South Branch, MI
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in September
South Branch, MI
- Average pressure in September: 30.02"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
South Branch, MI
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
South Branch, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
South Branch, MI
- Average rainfall in September: 0.98"
The wettest months (with the highest rainfall) are May and October (2.68").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in September
South Branch, MI
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is October (16.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
South Branch, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
South Branch, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
South Branch, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in September
South Branch, 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 (8.8 days).
Average UV index in September
South Branch, 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, November and December (UV index 1).
Average cloud cover in September
South Branch, MI
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
South Branch, MI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, October and November (6mi).
The month with the lowest visibility is January (4mi).
South Branch, Michigan, USA
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