September weather forecastGeneva-on-the-Lake, OH
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Geneva-on-the-Lake, Ohio, with an average temperature varying between 70.2°F (21.2°C) and 60.4°F (15.8°C).Temperature
September indicates a minor shift in the average high-temperature, from August's moderately hot 75.6°F (24.2°C) to an agreeable 70.2°F (21.2°C). In the month of September, Geneva-on-the-Lake's average low-temperature falls to a refreshing 60.4°F (15.8°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In Geneva-on-the-Lake, during September, the rain falls for 16 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Geneva-on-the-Lake, Ohio, during the entire year, the rain falls for 176.9 days and collects up to 32.28" (820mm) of precipitation.Snowfall
June through October are months without snowfall in Geneva-on-the-Lake.Daylight
In September, the average length of the day in Geneva-on-the-Lake is 12h and 28min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:06 pm EDT.
Sunshine
In Geneva-on-the-Lake, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. To protect against the Sun's most potent rays, avoid direct exposure around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Geneva-on-the-Lake, OH
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in September
Geneva-on-the-Lake, 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
Geneva-on-the-Lake, OH
- Average wind speed in September: 9.4mph
The windiest months (with the highest average wind speed) are January and December (12.7mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in September
Geneva-on-the-Lake, OH
- Average humidity in September: 78%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Geneva-on-the-Lake, OH
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is June (3.58").
The driest months (with the least rainfall) are January and February (2.17").
Average rainfall days in September
Geneva-on-the-Lake, OH
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is October (18.5 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Geneva-on-the-Lake, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Geneva-on-the-Lake, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Geneva-on-the-Lake, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Geneva-on-the-Lake, OH
- Average sunshine days in September: 12 days
The month with the most sunshine days is September (12 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in September
Geneva-on-the-Lake, OH
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Geneva-on-the-Lake, OH
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Geneva-on-the-Lake, OH
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





