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
Voluntown's September weather features a light decline in high-temperatures, reducing from a moderately hot 79.5°F (26.4°C) in August to a pleasant 72.7°F (22.6°C). Voluntown temperatures generally rest at a low of 57.2°F (14°C) during the September nights.Humidity
In Voluntown, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall in Voluntown is September, when the rain falls for 12.5 days and typically collects 1.57" (40mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in September in Voluntown, Connecticut, is 12h and 28min.On the first day of September, sunrise is at 6:14 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:30 pm EDT.
Sunshine
In Voluntown, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during September translates into the following guidance:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the temperature in September in Voluntown?
What is the average humidity in September in Voluntown?
What is the driest month in Voluntown?
How many days does it rain in September in Voluntown?
When it does not snow in Voluntown?
What is the average length of the day in September in Voluntown?
What time are sunrise and sunset in September in Voluntown?
How many hours of sunshine does Voluntown have in September?
What is the UV index reading in September in Voluntown?
Average temperature in September
Voluntown, CT
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in September
Voluntown, CT
- 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 (29.93"Hg).
Average wind speed in September
Voluntown, CT
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in September
Voluntown, CT
- Average humidity in September: 79%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Voluntown, CT
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Voluntown, CT
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in September
Voluntown, CT
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Voluntown, CT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Voluntown, CT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Voluntown, CT
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in September
Voluntown, CT
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Voluntown, CT
- Average cloud cover in September: 35
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Voluntown, CT
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Voluntown, Connecticut, USA
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