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 Glenwillow, the average high-temperature in September slightly decreases from a warm 79.3°F (26.3°C) in August to a pleasant 73.2°F (22.9°C). In Glenwillow, an average temperature of 56.7°F (13.7°C) is noted during September nights.Humidity
In Glenwillow, the average relative humidity in September is 77%.Rainfall
In Glenwillow, during September, the rain falls for 15.2 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Glenwillow, Ohio, during the entire year, the rain falls for 172.1 days and collects up to 29.45" (748mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:58 pm. On the last day of September, in Glenwillow, sunrise is at 7:22 am and sunset at 7:08 pm EDT.
Sunshine
In Glenwillow, Ohio, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 4. 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: The daily high UV index of 4 in September translates into this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Glenwillow?
What is the average humidity in September in Glenwillow?
How much does it rain in Glenwillow in September?
When it does not snow in Glenwillow?
Does it snow in Glenwillow in September?
What is the average length of the day in September in Glenwillow?
When are sunrise and sunset in September in Glenwillow?
How long on average sun shines in September in Glenwillow?
What is the UV index reading in September in Glenwillow?
Average temperature in September
Glenwillow, OH
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Glenwillow, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Glenwillow, OH
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in September
Glenwillow, OH
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in September
Glenwillow, OH
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in September
Glenwillow, OH
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Glenwillow, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (7.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Glenwillow, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Glenwillow, OH
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Glenwillow, OH
- Average sunshine days in September: 13 days
The months with the most sunshine days are July and September (13 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in September
Glenwillow, OH
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Glenwillow, OH
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Glenwillow, OH
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Glenwillow, Ohio, USA
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