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
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's agreeable 73.2°F (22.9°C) to an enjoyable 67.5°F (19.7°C). The nights of September anticipate an average low-temperature of 56.3°F (13.5°C).Humidity
The average relative humidity in September is 78%.Rainfall
In Onekama, in September, during 13.6 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Onekama, during the entire year, the rain falls for 142.7 days and collects up to 26.26" (667mm) of precipitation.Snowfall
In Onekama, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 7:08 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 7:26 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Onekama, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Take necessary precautions - Defending against sun damage is advocated. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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 Onekama in September?
When it does not snow?
Does it snow in Onekama in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Onekama have in September?
What is the UV index intensity in September?
Average temperature in September
Onekama, MI
- Average high temperature in September: 67.5°F
The warmest month (with the highest average high temperature) is August (73.2°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in September
Onekama, 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 (29.91"Hg).
Average wind speed in September
Onekama, MI
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is November (13.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in September
Onekama, MI
- Average humidity in September: 78%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Onekama, MI
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in September
Onekama, MI
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is October (17 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in September
Onekama, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Onekama, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Onekama, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in September
Onekama, MI
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is July (14.4 days).
The month with the least sunshine days is January (5.8 days).
Average UV index in September
Onekama, MI
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Onekama, MI
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Onekama, 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).
Onekama, Michigan, USA
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