September weather forecastWorcester, VT
September
Weather in September
September, the first month of the autumn in Worcester, is still a comfortable month, with an average temperature ranging between max 67.5°F (19.7°C) and min 48.2°F (9°C).Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from a moderately hot 74.3°F (23.5°C) in August to an enjoyable 67.5°F (19.7°C). Worcester temperatures generally rest at a low of 48.2°F (9°C) during the September nights.Humidity
The average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 6 days and accumulates 0.31" (8mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Worcester is 12h and 30min.On the first day of September in Worcester, sunrise is at 6:13 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:32 pm EDT.
Sunshine
In Worcester, Vermont, the average sunshine in September is 8.1h.UV index
In Worcester, Vermont, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Worcester, VT
- Average high temperature in September: 67.5°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 (22.6°F).
- Average low temperature in September: 48.2°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in September
Worcester, VT
- Average pressure in September: 30.05"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
Worcester, VT
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Worcester, VT
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Worcester, VT
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is October (0.63").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in September
Worcester, VT
- Average rainfall days in September: 6 days
The month with the highest number of rainy days is July (9.3 days).
The month with the least rainy days is February (2 days).
Average snowfall in September
Worcester, VT
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Worcester, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Worcester, 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 6min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The months with the least sunshine are January and February (Average sunshine: 2h and 30min).
Average sunshine days in September
Worcester, VT
- Average sunshine days in September: 22 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (17.6 days).
Average UV index in September
Worcester, VT
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Worcester, VT
- Average cloud cover in September: 42
The months with the most cloud cover are January and February (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Worcester, VT
- Average visibility in September: 4mi
The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).





