September weather forecastShinnecock Hills, NY
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Shinnecock Hills, New York, with an average temperature varying between 65.7°F (18.7°C) and 70.9°F (21.6°C).Temperature
As Shinnecock Hills transitions into September, the average high-temperature stands at a pleasant 70.9°F (21.6°C), offering little variation from the preceding month. Throughout September, a modest shift from daytime highs is anticipated in Shinnecock Hills, with an average low-temperature of 65.7°F (18.7°C).Humidity
The average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall in Shinnecock Hills, New York. Rain falls for 11.7 days and accumulates 2.01" (51mm) of precipitation.Snowfall
April, June through November are months without snowfall.Ocean temperature
In September, the average ocean temperature is 68.9°F (20.5°C).Note: The majority of individuals find swimming in 68.9°F (20.5°C) to be unenjoyable. The difficulty in controlling breathing rises as the temperature decreases from 69.8°F (21°C) to 59°F (15°C).
Daylight
In Shinnecock Hills, the average length of the day in September is 12h and 27min.On the first day of September in Shinnecock Hills, New York, 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
The average sunshine in September in Shinnecock Hills is 9h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shinnecock Hills, 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
Shinnecock Hills, 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
Shinnecock Hills, 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
Shinnecock Hills, 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
Shinnecock Hills, 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
Shinnecock Hills, 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
Shinnecock Hills, 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
Shinnecock Hills, 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 sea temperature in September
Shinnecock Hills, NY
- Average sea temperature in September: 68.9°F
The best month for swimming (with the highest average sea temperature) is August (73.3°F).
The coldest month (with the lowest average sea temperature) is February (39.8°F).
Average daylight in September /
Average sunshine in September
Shinnecock Hills, 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
Shinnecock Hills, 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
Shinnecock Hills, 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
Shinnecock Hills, 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
Shinnecock Hills, 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).





