September weather forecastPonquogue, NY
September
Weather in September
September, the first month of the autumn in Ponquogue, is still a pleasant month, with an average temperature varying between 70.9°F (21.6°C) and 65.7°F (18.7°C).Temperature
The onset of September marks an average high-temperature of an agreeable 70.9°F (21.6°C), hardly differing from August's 75.7°F (24.3°C). A modest dip in temperatures to an average of 65.7°F (18.7°C) is observed throughout Ponquogue's September nights.Humidity
The average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall in Ponquogue. Rain falls for 11.7 days and accumulates 2.01" (51mm) of precipitation.Snowfall
In Ponquogue, snow does not fall in April, June through November.Daylight
The average length of the day in September is 12h and 27min.On the first day of September in Ponquogue, sunrise is at 6:17 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:33 pm EDT.
Sunshine
In Ponquogue, the average sunshine in September is 9h.UV index
In Ponquogue, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Be vigilant - Suggestions to stave off sun damage are provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ponquogue, NY
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in September: 65.7°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in September
Ponquogue, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Ponquogue, NY
- Average wind speed in September: 12.3mph
The windiest month (with the highest average wind speed) is January (15.9mph).
The calmest month (with the lowest average wind speed) is July (10.5mph).
Average humidity in September
Ponquogue, NY
- Average humidity in September: 76%
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).
Average rainfall in September
Ponquogue, NY
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Ponquogue, NY
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in September
Ponquogue, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.69").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in September
Ponquogue, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.2 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
Ponquogue, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in September
Ponquogue, NY
- Average sunshine days in September: 17 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in September
Ponquogue, 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
Ponquogue, 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
Ponquogue, 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).





