September weather forecastGranville, OH
September
Weather in September
September, the first month of the autumn in Granville, 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
The beginning of September brings a minor change in the average high-temperature, shifting from 81°F (27.2°C) in August to a still warm 74.8°F (23.8°C). In the month of September, Granville records a consistent average low-temperature of 55.8°F (13.2°C).Humidity
In September, the average relative humidity is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 2.01" (51mm) of precipitation.Snowfall
In Granville, snow does not fall in May through September.Daylight
In Granville, 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 8:01 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:13 pm EDT.
Sunshine
The average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Granville, OH
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Granville, 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
Granville, OH
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Granville, OH
- Average humidity in September: 79%
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
Granville, OH
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Granville, OH
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Granville, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Granville, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Granville, 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 0min
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 12min).
Average sunshine days in September
Granville, OH
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in September
Granville, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Granville, OH
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Granville, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
