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
A modest decline in the average high-temperature is seen during September, decreasing from a moderately hot 75.9°F (24.4°C) in August to an agreeable 68.9°F (20.5°C). In the month of September, Fairfield witnesses a consistent average low-temperature of 50.4°F (10.2°C).Humidity
The average relative humidity in September is 79%.Rainfall
February and September are months with the least rain when the rain falls for 12.7 days and typically aggregates up to 1.93" (49mm) of rain.Snowfall
In Fairfield, snow does not fall in June through September.Daylight
In September, the average length of the day in Fairfield is 12h and 31min.On the first day of September, sunrise is at 6:14 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:33 pm EDT.
Sunshine
In Fairfield, the average sunshine in September is 8.9h.UV index
In Fairfield, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. To guard against the harmful effects of the Sun, minimize exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Fairfield in September?
What is the average humidity in September in Fairfield?
What is the driest month in Fairfield?
How many days does it rain in September in Fairfield?
When it does not snow in Fairfield?
Does it snow in Fairfield in September?
What is the average length of the day in September in Fairfield?
What time are sunrise and sunset in September in Fairfield?
How long on average sun shines in September in Fairfield?
How high is the UV index in September in Fairfield?
Average temperature in September
Fairfield, VT
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in September
Fairfield, 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
Fairfield, VT
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Fairfield, VT
- Average humidity in September: 79%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in September
Fairfield, VT
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is June (3.31").
The driest months (with the least rainfall) are February and September (1.93").
Average rainfall days in September
Fairfield, VT
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is June (18.9 days).
The months with the least rainy days are January and February (8.3 days).
Average snowfall in September
Fairfield, VT
- Average snowfall in September: 0"
The month with the highest snowfall is January (10.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fairfield, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fairfield, 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 5min
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: 2h and 54min).
Average sunshine days in September
Fairfield, VT
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (5.3 days).
Average UV index in September
Fairfield, 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 January, February and December (UV index 1).
Average cloud cover in September
Fairfield, VT
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Fairfield, VT
- Average visibility in September: 5mi
The months with the highest visibility are May and July (6mi).
The months with the lowest visibility are January, February and March (4mi).
Fairfield, Vermont, USA
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