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
September is marked by a subtle drop in average high-temperatures, transitioning from a warm 73.4°F (23°C) in August to a refreshing 66.4°F (19.1°C). During September, the nighttime temperature averages of 47.5°F (8.6°C).Humidity
In September, the average relative humidity is 81%.Rainfall
In Lowell, during September, the rain falls for 14.2 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 153.6 rainfall days, and 34.92" (887mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Lowell, Vermont.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September in Lowell, sunrise is at 6:12 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:31 pm EDT.
Sunshine
The average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the usual temperature for Lowell in September?
What is the average humidity in September in Lowell?
How much does it rain in Lowell in September?
When it does not snow in Lowell?
Does it snow in Lowell in September?
How many hours of daylight does Lowell have in September?
What time are sunrise and sunset in September in Lowell?
How many hours of sunshine does Lowell have in September?
What is the UV index reading in September in Lowell?
Average temperature in September
Lowell, VT
- Average high temperature in September: 66.4°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (21.2°F).
- Average low temperature in September: 47.5°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 (8.2°F).
Average pressure in September
Lowell, 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
Lowell, 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
Lowell, 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 (78%).
Average rainfall in September
Lowell, VT
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is February (2.36").
Average rainfall days in September
Lowell, VT
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is June (19.5 days).
The month with the least rainy days is February (4 days).
Average snowfall in September
Lowell, VT
- Average snowfall in September: 0"
The month with the highest snowfall is January (17.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lowell, VT
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (24.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Lowell, 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 months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 0min).
Average sunshine days in September
Lowell, VT
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (4.2 days).
Average UV index in September
Lowell, 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
Lowell, VT
- Average cloud cover in September: 42
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
Lowell, VT
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
Lowell, Vermont, USA
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