September weather forecastCenterport, NY
September
Weather in September
September, the first month of the autumn in Centerport, is also an agreeable month, with an average temperature fluctuating between 64.2°F (17.9°C) and 72.5°F (22.5°C).Temperature
Centerport in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 79.2°F (26.2°C) to a pleasant 72.5°F (22.5°C). Centerport registers a steady nighttime temperature averaging a refreshing 64.2°F (17.9°C) throughout September.Humidity
In September, the average relative humidity is 73%.Rainfall
In Centerport, in September, during 12.8 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, in Centerport, there are 152.5 rainfall days, and 35.04" (890mm) of precipitation is accumulated.Snowfall
In Centerport, snow does not fall in May through October.Ocean temperature
In September, the average ocean temperature is 69.6°F (20.9°C).Note: In 69.6°F (20.9°C), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 69.8°F (21°C).
Daylight
In Centerport, the average length of the day in September is 12h and 27min.On the first day of September in Centerport, sunrise is at 6:21 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:36 pm EDT.
Sunshine
In Centerport, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Centerport, 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
Centerport, 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
Centerport, 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
Centerport, 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
Centerport, 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
Centerport, 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
Centerport, 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
Centerport, 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
Centerport, 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
Centerport, 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
Centerport, 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
Centerport, 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
Centerport, 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
Centerport, 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).
