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 September, the meteorological conditions change slightly, with the average high-temperature moving from 81°F (27.2°C) in August to a still warm 74.8°F (23.8°C). Granville, in the month of September, anticipates a consistent average low-temperature of 55.8°F (13.2°C).Humidity
In September, the average relative humidity is 79%.Rainfall
The month with the least rainfall in Granville, Ohio, is September, when the rain falls for 13.6 days and typically collects 2.01" (51mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September in Granville, sunrise is at 6:58 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:13 pm EDT.
Sunshine
The average sunshine in September is 8h.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 unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the usual temperature for Granville in September?
What is the average humidity in September in Granville?
What is the driest month in Granville?
How much does it rain in Granville in September?
When it does not snow in Granville?
Does it snow in Granville in September?
What is the average length of the day in September in Granville?
When are sunrise and sunset in September in Granville?
How many hours of sunshine does Granville have in September?
What is the UV index reading in September in Granville?
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 2min
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).
Granville, Ohio, USA
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