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 arrival of September is marked by a minor reduction in average high-temperature, sliding from a moderately hot 76.1°F (24.5°C) in August to a pleasant 68.9°F (20.5°C). Throughout the nights in September, an average low-temperature of 48.4°F (9.1°C) is noted.Humidity
In September, the average relative humidity in West Hartford is 80%.Rainfall
In West Hartford, Vermont, in September, during 8.4 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, in West Hartford, there are 103.4 rainfall days, and 10.08" (256mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In West Hartford, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:14 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:31 pm EDT.
Sunshine
The average sunshine in September in West Hartford is 8.3h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the UV index of 3 transforms into the following advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the usual temperature for West Hartford in September?
What is the average humidity in September in West Hartford?
How much does it rain in West Hartford in September?
When it does not snow in West Hartford?
Does it snow in West Hartford in September?
How many hours of daylight does West Hartford have in September?
When are sunrise and sunset in September in West Hartford?
How long on average sun shines in September in West Hartford?
What is the UV index reading in September in West Hartford?
Average temperature in September
West Hartford, 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
West Hartford, 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
West Hartford, 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
West Hartford, 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
West Hartford, 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
West Hartford, 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
West Hartford, 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
West Hartford, 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
West Hartford, 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
West Hartford, 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
West Hartford, 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
West Hartford, 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
West Hartford, 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).
West Hartford, Vermont, USA
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