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 signals a slight drop in average high-temperature, sliding from August's warm 76.3°F (24.6°C) to an agreeable 68.9°F (20.5°C). Hartland's average low-temperature during September nights is observed to be a chilly 48.4°F (9.1°C).Humidity
In September, the average relative humidity is 80%.Rainfall
September is the month with the least rainfall in Hartland. Rain falls for 11.8 days and accumulates 1.69" (43mm) of precipitation.Snowfall
June through September are months without snowfall in Hartland, Vermont.Daylight
In September, the average length of the day in Hartland is 12h and 29min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:31 pm EDT.
Sunshine
In Hartland, Vermont, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 3 in September translates into this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Hartland in September?
What is the average humidity in September in Hartland?
What is the driest month in Hartland?
How much does it rain in Hartland in September?
When it does not snow in Hartland?
Does it snow in Hartland in September?
What is the average length of the day in September in Hartland?
What time are sunrise and sunset in September in Hartland?
How many hours of sunshine does Hartland have in September?
What is the UV index reading in September in Hartland?
Average temperature in September
Hartland, VT
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (78.1°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 (56.1°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in September
Hartland, 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
Hartland, 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
Hartland, 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
Hartland, VT
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is October (2.76").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Hartland, VT
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Hartland, VT
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hartland, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hartland, 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
Hartland, VT
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Hartland, 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
Hartland, 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
Hartland, VT
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
Hartland, Vermont, USA
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