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
As September arrives, Lowell's weather displays a minor decrease in high-temperatures, transitioning from August's warm 73.4°F (23°C) to a comfortable 66.4°F (19.1°C). In September, Lowell's temperature tends to fall to an average low of 47.5°F (8.6°C) during the night.Humidity
In September, the average relative humidity in Lowell is 81%.Rainfall
In Lowell, in September, it is raining for 14.2 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 153.6 rainfall days, and 34.92" (887mm) of precipitation is accumulated.Snowfall
In Lowell, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, 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
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily UV index of 3 turns into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
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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