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
As August makes way for September, Onaway's average high-temperature eases from an agreeable 71.8°F (22.1°C) to an enjoyable 65.3°F (18.5°C). In Onaway, the expected average low-temperature for September is a fresh 54.5°F (12.5°C).Humidity
In Onaway, the average relative humidity in September is 78%.Rainfall
In September, the rain falls for 12 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. In Onaway, during the entire year, the rain falls for 133.1 days and collects up to 22.44" (570mm) of precipitation.Snowfall
In Onaway, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:59 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:18 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In Onaway, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, a regular UV index of 3 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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 many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Onaway have in September?
What is the UV index reading in September?
Average temperature in September
Onaway, MI
- Average high temperature in September: 65.3°F
The warmest month (with the highest average high temperature) is August (71.8°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure in September
Onaway, 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
Onaway, MI
- Average wind speed in September: 9.3mph
The windiest months (with the highest average wind speed) are January and December (12.1mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Onaway, MI
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Onaway, MI
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is October (2.76").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in September
Onaway, MI
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is October (17.4 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Onaway, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Onaway, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Onaway, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in September
Onaway, MI
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in September
Onaway, 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
Onaway, MI
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Onaway, 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).
Onaway, Michigan, USA
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