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 start of September signals a gentle decrease in the average high-temperature, transitioning from a moderately hot 74.1°F (23.4°C) in August to a comfortable 67.1°F (19.5°C). During September, the average low-temperature in Richford, Vermont, is a frosty 48.2°F (9°C).Humidity
In September, the average relative humidity is 81%.Rainfall
In Richford, during September, the rain falls for 15.1 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Richford, during the entire year, the rain falls for 166.3 days and collects up to 36.57" (929mm) of precipitation.Snowfall
In Richford, 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 the month, sunrise is at 6:13 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:32 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September in Richford is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. 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 are the temperatures in September?
What is the average humidity in September?
How much 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 in Richford?
How high is the UV index in September?
Average temperature in September
Richford, VT
- Average high temperature in September: 67.1°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in September: 48.2°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in September
Richford, 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
Richford, VT
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Richford, VT
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (78%).
Average rainfall in September
Richford, VT
- Average rainfall in September: 2.76"
The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is February (2.17").
Average rainfall days in September
Richford, VT
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is June (20.5 days).
The months with the least rainy days are January and February (5.1 days).
Average snowfall in September
Richford, VT
- Average snowfall in September: 0"
The month with the highest snowfall is January (13.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Richford, VT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Richford, VT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 12min).
Average sunshine days in September
Richford, VT
- Average sunshine days in September: 13 days
The month with the most sunshine days is September (13 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in September
Richford, 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, March and December (UV index 1).
Average cloud cover in September
Richford, VT
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Richford, VT
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
Richford, Vermont, USA
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