September weather forecastKeeler Bay, VT
September
Weather in September
September, the first month of the autumn in Keeler Bay, is also an agreeable month, with an average temperature ranging between min 50.7°F (10.4°C) and max 68.9°F (20.5°C).Temperature
A mild drop in Keeler Bay's average high-temperature is observed in September, transitioning from a warm 75.9°F (24.4°C) in August to a pleasant 68.9°F (20.5°C). September nights in Keeler Bay observe an average temperature dip to a fresh 50.7°F (10.4°C).Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.81" (46mm) of precipitation.Snowfall
June through September are months without snowfall in Keeler Bay.Daylight
In Keeler Bay, Vermont, the average length of the day in September is 12h and 31min.On the first day of September in Keeler Bay, sunrise is at 6:16 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:35 pm EDT.
Sunshine
In Keeler Bay, Vermont, the average sunshine in September is 9.1h.UV index
In Keeler Bay, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Keeler Bay, VT
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in September
Keeler Bay, VT
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Keeler Bay, VT
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in September
Keeler Bay, VT
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in September
Keeler Bay, VT
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Keeler Bay, VT
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in September
Keeler Bay, VT
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Keeler Bay, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Keeler Bay, VT
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Keeler Bay, VT
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in September
Keeler Bay, VT
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Keeler Bay, VT
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Keeler Bay, VT
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).





