September weather forecastOak Harbor, OH
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Oak Harbor, Ohio, with an average temperature varying between 71.6°F (22°C) and 59.5°F (15.3°C).Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's warm 77.2°F (25.1°C) to an agreeable 71.6°F (22°C). Throughout the month of September, Oak Harbor expects an average low of 59.5°F (15.3°C).Humidity
The average relative humidity in September is 78%.Rainfall
In Oak Harbor, Ohio, in September, it is raining for 13.7 days, with typically 2.24" (57mm) of accumulated precipitation. In Oak Harbor, during the entire year, the rain falls for 163.9 days and collects up to 30.63" (778mm) of precipitation.Snowfall
In Oak Harbor, snow does not fall in June through October.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:59 am and sunset at 8:05 pm. On the last day of September, in Oak Harbor, sunrise is at 7:29 am and sunset at 7:15 pm EDT.
Sunshine
In Oak Harbor, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the UV index of 4 transforms into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oak Harbor, OH
- Average high temperature in September: 71.6°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 (30.6°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Oak Harbor, 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
Oak Harbor, OH
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in September
Oak Harbor, OH
- Average humidity in September: 78%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Oak Harbor, OH
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in September
Oak Harbor, OH
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Oak Harbor, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Oak Harbor, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Oak Harbor, OH
- Average daylight in September: 12h and 30min
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 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Oak Harbor, OH
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Oak Harbor, 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
Oak Harbor, OH
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
Oak Harbor, OH
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





