Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As September commences, the average high-temperature subtly reduces, transitioning from a moderately hot 75.9°F (24.4°C) in August to a pleasant 68.4°F (20.2°C). Chittenden, during the month of September, experiences an average low-temperature of 48.4°F (9.1°C).Humidity
In September, the average relative humidity is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 9.8 days and accumulates 0.79" (20mm) of precipitation.Snowfall
In Chittenden, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:34 pm EDT.
Sunshine
The average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the UV index of 3 transforms into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Chittenden, VT
- Average high temperature in September: 68.4°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in September: 48.4°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in September
Chittenden, 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 (29.91"Hg).
Average wind speed in September
Chittenden, VT
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Chittenden, VT
- Average humidity in September: 80%
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
Chittenden, VT
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in September
Chittenden, VT
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
Chittenden, VT
- Average snowfall in September: 0"
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Chittenden, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chittenden, VT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in September
Chittenden, VT
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is February (13.2 days).
Average UV index in September
Chittenden, 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
Chittenden, VT
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Chittenden, VT
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Chittenden, Vermont, USA
Weather forecast for your location
2. Allow the app to use your location