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
Keeseville in September experiences a gentle temperature dip, with average high-temperatures reducing from a moderately hot 77.5°F (25.3°C) in August to a pleasant 70°F (21.1°C). In the month of September, the average temperature dips to a chilly 49.6°F (9.8°C) during the night.Humidity
The average relative humidity in September is 78%.Rainfall
In September, the rain falls for 8.5 days. Throughout September, 0.51" (13mm) of precipitation is accumulated. In Keeseville, during the entire year, the rain falls for 106.7 days and collects up to 8.9" (226mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:35 pm EDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Keeseville 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?
What time are sunrise and sunset in September?
How many hours of sunshine does Keeseville have in September?
What is the UV index intensity in September?
Average temperature in September
Keeseville, NY
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in September
Keeseville, NY
- Average pressure in September: 30.04"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
Keeseville, NY
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Keeseville, NY
- Average humidity in September: 78%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (74%).
Average rainfall in September
Keeseville, NY
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is August (1.18").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Keeseville, NY
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in September
Keeseville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Keeseville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Keeseville, NY
- 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: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Keeseville, NY
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is July (15.1 days).
Average UV index in September
Keeseville, NY
- Average UV index in September: 4
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 and December (UV index 1).
Average cloud cover in September
Keeseville, NY
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Keeseville, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, May, July, August, November and December (6mi).
The months with the lowest visibility are January, February, March, June, September and October (5mi).
Keeseville, New York, USA
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