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, Plymouth records a moderate temperature decline, with the average high easing from August's moderately hot 75°F (23.9°C) to an agreeable 68°F (20°C). Throughout September, the average low-temperature dips to a frosty 48.6°F (9.2°C).Humidity
In Plymouth, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 10.1 days and accumulates 0.79" (20mm) of precipitation.Snowfall
In Plymouth, 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 September in Plymouth, sunrise is at 6:15 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:33 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In Plymouth, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the average September temperature in Plymouth?
What is the average humidity in September in Plymouth?
What is the driest month in Plymouth?
How many days does it rain in September in Plymouth?
When it does not snow in Plymouth?
Does it snow in Plymouth in September?
What is the average length of the day in September in Plymouth?
When are sunrise and sunset in September in Plymouth?
How long on average sun shines in September in Plymouth?
How high is the UV index in September in Plymouth?
Average temperature in September
Plymouth, VT
- Average high temperature in September: 68°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in September: 48.6°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 (12.2°F).
Average pressure in September
Plymouth, 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
Plymouth, VT
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Plymouth, VT
- Average humidity in September: 80%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in September
Plymouth, VT
- Average rainfall in September: 0.79"
The wettest months (with the highest rainfall) are June and October (1.54").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in September
Plymouth, VT
- Average rainfall days in September: 10.1 days
The months with the highest number of rainy days are June and July (12.9 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in September
Plymouth, VT
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Plymouth, 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
Plymouth, 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 July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Plymouth, VT
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is February (14 days).
Average UV index in September
Plymouth, VT
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Plymouth, VT
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Plymouth, 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).
Plymouth, Vermont, USA
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