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
In Mount Holly, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 76.1°F (24.5°C) to a pleasant 69.1°F (20.6°C). An average minimum temperature of 49.1°F (9.5°C) is recorded in Mount Holly, Vermont, during the month of September.Humidity
In Mount Holly, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall in Mount Holly, Vermont. Rain falls for 9.9 days and accumulates 1.06" (27mm) of precipitation.Snowfall
June through September are months without snowfall in Mount Holly.Daylight
In September, the average length of the day in Mount Holly, Vermont, is 12h and 29min.On the first day of September in Mount Holly, sunrise is at 6:16 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:33 pm EDT.
Sunshine
The average sunshine in September in Mount Holly is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Mount Holly?
What is the average humidity in September in Mount Holly?
What is the driest month in Mount Holly?
How many days does it rain in September in Mount Holly?
When it does not snow in Mount Holly?
Does it snow in Mount Holly in September?
What is the average length of the day in September in Mount Holly?
When are sunrise and sunset in September in Mount Holly?
How many hours of sunshine does Mount Holly have in September?
What is the UV index intensity in September in Mount Holly?
Average temperature in September
Mount Holly, VT
- Average high temperature in September: 69.1°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: 49.1°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in September
Mount Holly, 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
Mount Holly, VT
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are January, February and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Mount Holly, VT
- Average humidity in September: 80%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Mount Holly, VT
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is October (1.85").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in September
Mount Holly, VT
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Mount Holly, VT
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mount Holly, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mount Holly, 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 months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Mount Holly, VT
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is November (19.1 days).
The months with the least sunshine days are June and July (14.4 days).
Average UV index in September
Mount Holly, VT
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Mount Holly, VT
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Mount Holly, 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).
Mount Holly, Vermont, USA
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