September weather forecastSylvania, OH
September
Weather in September
September, the first month of the autumn in Sylvania, is also an agreeable month, with temperature in the range of an average high of 73.2°F (22.9°C) and an average low of 55.9°F (13.3°C).Temperature
The onset of September is marked by a minor decrease in temperature, transitioning from a warm 78.6°F (25.9°C) in August to an agreeable 73.2°F (22.9°C). Sylvania records a mean low-temperature of 55.9°F (13.3°C) in September.Humidity
The average relative humidity in September is 78%.Rainfall
In Sylvania, during September, the rain falls for 11.5 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Sylvania, during the entire year, the rain falls for 135.5 days and collects up to 14.37" (365mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Sylvania, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 7:01 am and sunset at 8:07 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:17 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 4 in September translates into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sylvania, OH
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Sylvania, 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
Sylvania, OH
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Sylvania, OH
- Average humidity in September: 78%
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
Sylvania, OH
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is June (1.81").
The driest month (with the least rainfall) is December (0.63").
Average rainfall days in September
Sylvania, OH
- Average rainfall days in September: 11.5 days
The months with the highest number of rainy days are May and June (15.6 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Sylvania, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Sylvania, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sylvania, OH
- Average daylight in September: 12h and 30min
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 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 24min).
Average sunshine days in September
Sylvania, OH
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Sylvania, 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
Sylvania, OH
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Sylvania, OH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
