September weather forecastEast Haven, VT
September
Weather in September
September, the first month of the autumn in East Haven, is still a comfortable month, with an average temperature fluctuating between 67.1°F (19.5°C) and 46.6°F (8.1°C).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 74.7°F (23.7°C) in August to a comfortable 67.1°F (19.5°C). September in East Haven witnesses an average low-temperature hovering around a frosty 46.6°F (8.1°C).Humidity
In September, the average relative humidity in East Haven is 80%.Rainfall
August and September are months with the least rain in East Haven when the rain falls for 12.7 days and typically aggregates up to 2.13" (54mm) of rain.Snowfall
June through September are months without snowfall in East Haven.Daylight
In East Haven, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:23 pm. On the last day of September, in East Haven, sunrise is at 6:44 am and sunset at 6:29 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In East Haven, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
East Haven, VT
- Average high temperature in September: 67.1°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in September: 46.6°F
The month with the highest average low temperature is July (54.3°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in September
East Haven, VT
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
East Haven, VT
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
East Haven, VT
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
East Haven, VT
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is October (2.99").
The driest months (with the least rainfall) are August and September (2.13").
Average rainfall days in September
East Haven, VT
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in September
East Haven, VT
- Average snowfall in September: 0"
The month with the highest snowfall is February (13.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
East Haven, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (22.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
East Haven, 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: 8h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in September
East Haven, VT
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (5 days).
Average UV index in September
East Haven, VT
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
East Haven, VT
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
East Haven, VT
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
