September weather forecastArlington, VT
September
Weather in September
September brings the onset of autumn in Arlington, however, it retains some of its summer's warmth. A slight decrease in temperature and sunshine hours indicates the transition from summer to fall. Again, with no snowfall recorded, the weather remains mild and pleasant. The vibrant autumn colors start to decorate the landscape contributing to the town’s stunning visual appeal. Despite the changing season, outdoor pursuits remain popular during this glorious time of year.Temperature
September indicates a minor shift in the average high-temperature, from August's moderately hot 77.4°F (25.2°C) to a pleasant 70.5°F (21.4°C). During the September nights, an average temperature of 50.7°F (10.4°C) is observed.Humidity
The average relative humidity in September in Arlington, Vermont, is 79%.Rainfall
March and September are months with the least rain when the rain falls for 12.6 days and typically aggregates up to 2.32" (59mm) of rain.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:17 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:35 pm EDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arlington, VT
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in September
Arlington, VT
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Arlington, VT
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are January, March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Arlington, VT
- Average humidity in September: 79%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Arlington, VT
- Average rainfall in September: 2.32"
The wettest months (with the highest rainfall) are May, June, July and October (3.19").
The driest months (with the least rainfall) are March and September (2.32").
Average rainfall days in September
Arlington, VT
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Arlington, VT
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Arlington, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Arlington, VT
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Arlington, VT
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is April (9.2 days).
Average UV index in September
Arlington, VT
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Arlington, VT
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
Arlington, VT
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
