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 commencement of September indicates a gentle shift in the average high-temperature, receding from August's warm 74.8°F (23.8°C) to a pleasant 68.2°F (20.1°C). An average low-temperature of 51.6°F (10.9°C) is observed during the September nights.Humidity
In Mancelona, the average relative humidity in September is 79%.Rainfall
In Mancelona, in September, it is raining for 12.8 days, with typically 1.81" (46mm) of accumulated precipitation. In Mancelona, during the entire year, the rain falls for 128.6 days and collects up to 23.43" (595mm) of precipitation.Snowfall
In Mancelona, snow does not fall in June through September.Daylight
In Mancelona, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 7:03 am and sunset at 8:16 pm. On the last day of September, sunrise is at 7:37 am and sunset at 7:22 pm EDT.
Sunshine
The average sunshine in September is 7.9h.UV index
In Mancelona, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Mancelona have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Mancelona have in September?
What is the UV index reading in September?
Average temperature in September
Mancelona, MI
- Average high temperature in September: 68.2°F
The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is February (15.6°F).
Average pressure in September
Mancelona, 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
Mancelona, MI
- Average wind speed in September: 7.8mph
The windiest months (with the highest average wind speed) are January and December (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in September
Mancelona, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Mancelona, MI
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is October (2.91").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in September
Mancelona, MI
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is October (17.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Mancelona, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (9.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mancelona, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (22.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mancelona, 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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 1h and 30min).
Average sunshine days in September
Mancelona, 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 January (6.5 days).
Average UV index in September
Mancelona, 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, March, November and December (UV index 1).
Average cloud cover in September
Mancelona, MI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Mancelona, MI
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Mancelona, Michigan, USA
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