Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The average high-temperature slightly decreases in September, shifting from a warm 79°F (26.1°C) in August to a pleasant 72.5°F (22.5°C). North Bellmore encounters a small divergence from daytime high temperatures, averaging a low-temperature of 64.8°F (18.2°C) during September nights.Humidity
In September, the average relative humidity is 74%.Rainfall
In September, in North Bellmore, New York, the rain falls for 13.3 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. Throughout the year, there are 146.9 rainfall days, and 26.38" (670mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day in North Bellmore is 12h and 27min.On the first day of September, sunrise is at 6:21 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:37 pm EDT.
Sunshine
In North Bellmore, the average sunshine in September is 9.1h.UV index
In North Bellmore, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 during September translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in North Bellmore?
What is the average humidity in September in North Bellmore?
How many days does it rain in September in North Bellmore?
When it does not snow in North Bellmore?
Does it snow in North Bellmore in September?
How many hours of daylight does North Bellmore have in September?
When is the sunrise / sunset in September in North Bellmore?
How long on average sun shines in September in North Bellmore?
What is the UV index reading in September in North Bellmore?
Average temperature in September
North Bellmore, NY
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in September: 64.8°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 (29.3°F).
Average pressure in September
North Bellmore, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
North Bellmore, NY
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in September
North Bellmore, NY
- Average humidity in September: 74%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in September
North Bellmore, NY
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is July (3.11").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in September
North Bellmore, NY
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
North Bellmore, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
North Bellmore, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
North Bellmore, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
North Bellmore, NY
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in September
North Bellmore, 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 Bellmore, NY
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
North Bellmore, 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).
North Bellmore, New York, USA
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