September weather forecastBarnes Hole, NY
September
Weather in September
September, the first month of the autumn in Barnes Hole, is also an agreeable month, with temperature in the range of an average high of 70.3°F (21.3°C) and an average low of 65.1°F (18.4°C).Temperature
As September takes hold, the average high-temperature is a pleasant 70.3°F (21.3°C), nearly mirroring that of the previous month. September is characterized by a steady nighttime low-temperature of 65.1°F (18.4°C).Humidity
In Barnes Hole, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 2.09" (53mm) of precipitation.Snowfall
In Barnes Hole, snow does not fall in June through October.Daylight
In September, the average length of the day in Barnes Hole is 12h and 28min.On the first day of September, sunrise is at 6:15 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:31 pm EDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 in September translates into this advice:
Take precautions - Protection against sunburn is recommended. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Barnes Hole, NY
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 65.1°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in September
Barnes Hole, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Barnes Hole, NY
- Average wind speed in September: 12.7mph
The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is July (10.8mph).
Average humidity in September
Barnes Hole, NY
- Average humidity in September: 76%
The months with the highest relative humidity are May and June (82%).
The month with the lowest relative humidity is November (72%).
Average rainfall in September
Barnes Hole, NY
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in September
Barnes Hole, NY
- Average rainfall days in September: 12.6 days
The months with the highest number of rainy days are July and August (15.5 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Barnes Hole, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.97").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Barnes Hole, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Barnes Hole, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in September
Barnes Hole, NY
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (18.4 days).
The months with the least sunshine days are July and August (13.3 days).
Average UV index in September
Barnes Hole, NY
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in September
Barnes Hole, NY
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Barnes Hole, NY
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





