September weather forecastHarbor Hills, OH
September
Weather in September
September, the first month of the autumn in Harbor Hills, is still a warm month, with an average temperature fluctuating between 55.8°F (13.2°C) and 74.8°F (23.8°C).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a warm 81.1°F (27.3°C) in August to a still moderately hot 74.8°F (23.8°C). During September nights, Harbor Hills witnesses a consistent average temperature of 55.8°F (13.2°C).Humidity
In Harbor Hills, the average relative humidity in September is 78%.Rainfall
In Harbor Hills, during September, the rain falls for 11 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Harbor Hills, during the entire year, the rain falls for 136.1 days and collects up to 13.03" (331mm) of precipitation.Snowfall
In Harbor Hills, snow does not fall in May through October.Daylight
In Harbor Hills, Ohio, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:58 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:13 pm EDT.
Sunshine
In Harbor Hills, 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 medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Harbor Hills, OH
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Harbor Hills, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Harbor Hills, OH
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in September
Harbor Hills, OH
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Harbor Hills, OH
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.79").
Average rainfall days in September
Harbor Hills, OH
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (16.6 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in September
Harbor Hills, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Harbor Hills, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Harbor Hills, OH
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Harbor Hills, OH
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (20.8 days).
The months with the least sunshine days are May and July (11.3 days).
Average UV index in September
Harbor Hills, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Harbor Hills, OH
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Harbor Hills, OH
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, May, July, August and September (5mi).
