September weather forecastGalena, OH
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Galena, Ohio, with an average temperature ranging between min 56.1°F (13.4°C) and max 74.5°F (23.6°C).Temperature
The arrival of September is marked by an average high-temperature of a still warm 74.5°F (23.6°C), bearing a close resemblance to August. During the month of September, an average temperature of 56.1°F (13.4°C) is noted during the nights.Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 10 days and accumulates 0.79" (20mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Galena, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:59 am and sunset at 8:02 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 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Galena, OH
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in September
Galena, OH
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Galena, OH
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Galena, OH
- Average humidity in September: 78%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April, October and November (76%).
Average rainfall in September
Galena, OH
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in September
Galena, OH
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (7 days).
Average snowfall in September
Galena, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Galena, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Galena, 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 18min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Galena, OH
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in September
Galena, 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, November and December (UV index 2).
Average cloud cover in September
Galena, OH
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Galena, 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).
