September weather forecastHuntington Bay, NY
September
Weather in September
September, the first month of the autumn in Huntington Bay, is still a pleasant month, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 72.5°F (22.5°C).Temperature
The start of September involves a subtle temperature drop, shifting from a moderately hot 79.2°F (26.2°C) in August to a pleasant 72.5°F (22.5°C). During September, the nighttime temperatures align closely with the daytime averages, measuring an enjoyable 64.2°F (17.9°C).Humidity
In Huntington Bay, the average relative humidity in September is 73%.Rainfall
In Huntington Bay, in September, it is raining for 12.8 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, there are 152.5 rainfall days, and 35.04" (890mm) of precipitation is accumulated.Snowfall
In Huntington Bay, snow does not fall in May through October.Ocean temperature
In Huntington Bay, the average seawater temperature in September is 69.6°F (20.9°C).Note: For the majority of people, swimming in water at 69.6°F (20.9°C) is not enjoyable. The challenge of controlling breathing escalates as the temperature decreases from 69.8°F (21°C) to 59°F (15°C).
Daylight
In Huntington Bay, New York, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:36 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
In Huntington Bay, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Huntington Bay, NY
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 64.2°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in September
Huntington Bay, 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
Huntington Bay, NY
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in September
Huntington Bay, NY
- Average humidity in September: 73%
The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).
Average rainfall in September
Huntington Bay, NY
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days in September
Huntington Bay, NY
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Huntington Bay, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Huntington Bay, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Huntington Bay, NY
- Average sea temperature in September: 69.6°F
The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in September /
Average sunshine in September
Huntington Bay, 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 February (Average sunshine: 4h and 48min).
Average sunshine days in September
Huntington Bay, NY
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in September
Huntington Bay, 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, November and December (UV index 2).
Average cloud cover in September
Huntington Bay, NY
- Average cloud cover in September: 33
The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
Huntington Bay, 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).





