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 onset of September aligns with a soft reduction in the average high-temperature, gently falling from a moderately hot 77.5°F (25.3°C) in August to an agreeable 70°F (21.1°C). September is noted for a mean low-temperature of 49.6°F (9.8°C).Humidity
In September, the average relative humidity in Keeseville, New York, is 78%.Rainfall
In Keeseville, in September, it is raining for 8.5 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, in Keeseville, New York, there are 106.7 rainfall days, and 8.9" (226mm) of precipitation is accumulated.Snowfall
In Keeseville, New York, snow does not fall in June through September.Daylight
In September, the average length of the day 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, in Keeseville, sunrise is at 6:51 am and sunset at 6:35 pm EDT.
Sunshine
The average sunshine in September in Keeseville is 9.1h.UV index
In Keeseville, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the usual temperature for Keeseville in September?
What is the average humidity in September in Keeseville?
How much does it rain in Keeseville in September?
When it does not snow in Keeseville?
Does it snow in Keeseville in September?
How many hours of daylight does Keeseville have in September?
When is the sunrise / sunset in September in Keeseville?
How long on average sun shines in September in Keeseville?
What is the UV index intensity in September in Keeseville?
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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