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
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 73.8°F (23.2°C) in August to a refreshing 66.4°F (19.1°C). The temperature lowers to an average of 46.9°F (8.3°C) during September nights.Humidity
In East Charleston, the average relative humidity in September is 80%.Rainfall
In East Charleston, in September, during 12.9 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in East Charleston, there are 156.5 rainfall days, and 32.48" (825mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in East Charleston.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:45 am and sunset at 6:29 pm EDT.
Sunshine
In September, the average sunshine is 8h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, an average UV index of 3 transforms into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does East Charleston have in September?
When are sunrise and sunset in September?
How many hours of sunshine does East Charleston have in September?
What is the UV index intensity in September?
Average temperature in September
East Charleston, VT
- Average high temperature in September: 66.4°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in September: 46.9°F
The month with the highest average low temperature is July (54.7°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in September
East Charleston, VT
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
East Charleston, VT
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
East Charleston, VT
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
East Charleston, VT
- Average rainfall in September: 2.48"
The wettest months (with the highest rainfall) are June and October (3.23").
The driest months (with the least rainfall) are February and July (2.32").
Average rainfall days in September
East Charleston, VT
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in September
East Charleston, VT
- Average snowfall in September: 0"
The month with the highest snowfall is January (15.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
East Charleston, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (24.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
East Charleston, VT
- Average daylight in September: 12h and 3min
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 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 6min).
Average sunshine days in September
East Charleston, VT
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (4 days).
Average UV index in September
East Charleston, VT
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
East Charleston, VT
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
East Charleston, VT
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
East Charleston, Vermont, USA
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