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 commencement of September in Westfield indicates a gentle shift in the average high-temperature, receding from August's warm 73.8°F (23.2°C) to a refreshing 66.6°F (19.2°C). An average low-temperature of 47.3°F (8.5°C) is observed in Westfield during the September nights.Humidity
The average relative humidity in September is 81%.Rainfall
In September, in Westfield, Vermont, the rain falls for 13.5 days. Throughout September, 2.6" (66mm) of precipitation is accumulated. In Westfield, during the entire year, the rain falls for 156.3 days and collects up to 32.64" (829mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:31 pm EDT.
Sunshine
The average sunshine in September in Westfield, Vermont, is 8h.UV index
The average daily maximum UV index in September in Westfield, Vermont, is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Act with care - The need to guard against sun damage is communicated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What are the temperatures in Westfield in September?
What is the average humidity in September in Westfield?
How much does it rain in Westfield in September?
When it does not snow in Westfield?
Does it snow in Westfield in September?
How many hours of daylight does Westfield have in September?
What time are sunrise and sunset in September in Westfield?
How long on average sun shines in September in Westfield?
How high is the UV index in September in Westfield?
Average temperature in September
Westfield, VT
- Average high temperature in September: 66.6°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in September: 47.3°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in September
Westfield, 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
Westfield, VT
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Westfield, VT
- Average humidity in September: 81%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Westfield, VT
- Average rainfall in September: 2.6"
The wettest months (with the highest rainfall) are May and June (3.23").
The driest month (with the least rainfall) is February (2.13").
Average rainfall days in September
Westfield, VT
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in September
Westfield, VT
- Average snowfall in September: 0"
The month with the highest snowfall is February (13.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Westfield, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (21.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Westfield, 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 month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 0min).
Average sunshine days in September
Westfield, VT
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (6.2 days).
Average UV index in September
Westfield, 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
Westfield, VT
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Westfield, 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).
Westfield, Vermont, USA
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