September weather forecastNorth Sea, NY
September
Weather in September
The first month of the autumn, September, is still a pleasant month in North Sea, New York, with temperature in the range of an average high of 70.5°F (21.4°C) and an average low of 66°F (18.9°C).Temperature
North Sea, New York, experiences an average high-temperature of an agreeable 70.5°F (21.4°C) in September, subtly different from August's 75.7°F (24.3°C). North Sea registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 66°F (18.9°C) during September.Humidity
The average relative humidity in September in North Sea is 76%.Rainfall
The month with the least rainfall in North Sea is September, when the rain falls for 12.6 days and typically collects 1.5" (38mm) of precipitation.Snowfall
In North Sea, snow does not fall in April, June through October.Ocean temperature
In North Sea, in September, the average water temperature is 68.9°F (20.5°C).Note: Most people do not enjoy swimming in water of 68.9°F (20.5°C). Breathing control becomes harder as the temperature descends from 69.8°F (21°C) to 59°F (15°C).
Daylight
In North Sea, the average length of the day in September is 12h and 28min.On the first day of September in North Sea, sunrise is at 6:17 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:32 pm EDT.
Sunshine
In North Sea, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September in North Sea is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
North Sea, NY
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in September: 66°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 (31.5°F).
Average pressure in September
North Sea, 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
North Sea, NY
- Average wind speed in September: 12.6mph
The windiest month (with the highest average wind speed) is January (16.3mph).
The calmest month (with the lowest average wind speed) is July (10.7mph).
Average humidity in September
North Sea, NY
- Average humidity in September: 76%
The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (72%).
Average rainfall in September
North Sea, NY
- Average rainfall in September: 1.5"
The wettest months (with the highest rainfall) are October and December (2.6").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
North Sea, NY
- Average rainfall days in September: 12.6 days
The months with the highest number of rainy days are May and July (14.8 days).
The months with the least rainy days are January and February (8.8 days).
Average snowfall in September
North Sea, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.57").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
North Sea, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in September
North Sea, 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
North Sea, 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 August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in September
North Sea, NY
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in September
North Sea, 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
North Sea, NY
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
North Sea, 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).
