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
September brings a slight decrease in temperature, down from a warm 75.9°F (24.4°C) in August to a pleasant 68.4°F (20.2°C). Throughout September, an average low-temperature of 48.4°F (9.1°C) is experienced.Humidity
The average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.8 days and typically collects 0.79" (20mm) of precipitation.Snowfall
In Chittenden, Vermont, snow does not fall in June through September.Daylight
In Chittenden, the average length of the day in September is 12h and 29min.On the first day of September in Chittenden, sunrise is at 6:16 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:34 pm EDT.
Sunshine
In September, the average sunshine in Chittenden 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 moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the usual temperature for Chittenden in September?
What is the average humidity in September in Chittenden?
What is the driest month in Chittenden?
How much does it rain in Chittenden in September?
When it does not snow in Chittenden?
Does it snow in Chittenden in September?
What is the average length of the day in September in Chittenden?
What time are sunrise and sunset in September in Chittenden?
How many hours of sunshine does Chittenden have in September?
How high is the UV index in September in Chittenden?
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
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