September weather forecastNorth Bellport, NY
September
Weather in September
The first month of the autumn, September, is also an agreeable month in North Bellport, New York, with an average temperature ranging between max 71.4°F (21.9°C) and min 65.3°F (18.5°C).Temperature
North Bellport's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 77.5°F (25.3°C) to an agreeable 71.4°F (21.9°C). North Bellport, during September nights, observes a steady temperature, averaging at a comfortable 65.3°F (18.5°C).Humidity
The average relative humidity in September is 75%.Rainfall
The months with the least rainfall in North Bellport are January, February and September Rain falls for 12.4 days and accumulates 2.01" (51mm) of rain.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in North Bellport is 12h and 27min.On the first day of September, sunrise is at 6:19 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:35 pm EDT.
Sunshine
In September, the average sunshine in North Bellport is 9.1h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
North Bellport, NY
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in September: 65.3°F
The months with the highest average low temperature are July and August (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
North Bellport, 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
North Bellport, NY
- Average wind speed in September: 11.1mph
The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest months (with the lowest average wind speed) are July and August (9.6mph).
Average humidity in September
North Bellport, NY
- Average humidity in September: 75%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).
Average rainfall in September
North Bellport, NY
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is December (3.31").
The driest months (with the least rainfall) are January, February and September (2.01").
Average rainfall days in September
North Bellport, NY
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (9 days).
Average snowfall in September
North Bellport, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
North Bellport, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
North Bellport, 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 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
North Bellport, NY
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in September
North Bellport, 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 Bellport, NY
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
North Bellport, 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).
