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
With the commencement of September, Clarendon records a moderate temperature decline, with the average high easing from August's moderately hot 76.1°F (24.5°C) to a pleasant 68.9°F (20.5°C). Nighttime temperatures in September average to a chilly 48.9°F (9.4°C).Humidity
The average relative humidity in September is 80%.Rainfall
The month with the least rainfall in Clarendon is September, when the rain falls for 11.4 days and typically collects 1.81" (46mm) of precipitation.Snowfall
In Clarendon, 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
In Clarendon, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, an average UV index of 3 transforms into the following instructions:
Take precautions - Protection against sunburn is recommended. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Clarendon have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Clarendon have in September?
How high is the UV index in September?
Average temperature in September
Clarendon, VT
- Average high temperature in September: 68.9°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 (25.2°F).
- Average low temperature in September: 48.9°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in September
Clarendon, 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
Clarendon, VT
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are January and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Clarendon, VT
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Clarendon, VT
- Average rainfall in September: 1.81"
The wettest months (with the highest rainfall) are April and October (2.91").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Clarendon, VT
- Average rainfall days in September: 11.4 days
The months with the highest number of rainy days are April, May and July (16.4 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in September
Clarendon, VT
- Average snowfall in September: 0"
The month with the highest snowfall is February (12.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Clarendon, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clarendon, 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 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in September
Clarendon, VT
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in September
Clarendon, 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, February and December (UV index 1).
Average cloud cover in September
Clarendon, VT
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Clarendon, VT
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Clarendon, Vermont, USA
Weather forecast for your location
2. Allow the app to use your location