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
Isle Saint George registers an average high-temperature of a pleasant 70.9°F (21.6°C) at the commencement of September, closely related to the preceding month. An average nighttime temperature of 60.3°F (15.7°C) is noted during the month of September.Humidity
In September, the average relative humidity is 77%.Rainfall
In September, the rain falls for 14.2 days. Throughout September, 2.64" (67mm) of precipitation is accumulated. In Isle Saint George, during the entire year, the rain falls for 163.4 days and collects up to 34.92" (887mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In Isle Saint George, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:57 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:14 pm EDT.
Sunshine
In September, the average sunshine is 8h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Isle Saint George have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Isle Saint George have in September?
How high is the UV index in September?
Average temperature in September
Isle Saint George, OH
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 60.3°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in September
Isle Saint George, 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
Isle Saint George, OH
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in September
Isle Saint George, OH
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Isle Saint George, OH
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is February (1.57").
Average rainfall days in September
Isle Saint George, OH
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in September
Isle Saint George, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Isle Saint George, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.4 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
Isle Saint George, OH
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Isle Saint George, OH
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (9 days).
Average UV index in September
Isle Saint George, OH
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Isle Saint George, OH
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
Isle Saint George, OH
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Isle Saint George, Ohio, USA
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