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 August transitions into September, South Royalton sees a gentle drop in the average high-temperature, transitioning from a warm 76.1°F (24.5°C) to an agreeable 68.9°F (20.5°C). Throughout September, South Royalton registers a consistent average low-temperature of 48.4°F (9.1°C).Humidity
The average relative humidity in September is 80%.Rainfall
In South Royalton, in September, during 8.4 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 103.4 rainfall days, and 10.08" (256mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:32 pm EDT.
Sunshine
In South Royalton, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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?
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?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September in South Royalton?
Average temperature in September
South Royalton, VT
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 48.4°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in September
South Royalton, VT
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
South Royalton, VT
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
South Royalton, VT
- Average humidity in September: 80%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
South Royalton, VT
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is March (0.55").
Average rainfall days in September
South Royalton, VT
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
South Royalton, VT
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
South Royalton, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
South Royalton, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
South Royalton, VT
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is July (15.6 days).
Average UV index in September
South Royalton, 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
South Royalton, VT
- Average cloud cover in September: 41
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 37).
Average visibility in September
South Royalton, VT
- Average visibility in September: 4mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
South Royalton, Vermont, USA
Weather forecast for your location
2. Allow the app to use your location