September weather forecast
North Bellport, NY

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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.

Frequently asked questions

What is the average September temperature?

September temperatures vary between a high-temperature of 71.4°F (21.9°C) and a low-temperature of 65.3°F (18.5°C).

What is the average humidity in September?

In North Bellport, the average relative humidity in September is 75%.

What is the driest month?

January, February and September are months with the least rain when the rain falls for 12.4 days and typically aggregates up to 2.01" (51mm) of rain.

How much does it rain in September?

In North Bellport, in September, it is raining for 12.4 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does North Bellport have in September?

In North Bellport, New York, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September?

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.

How many hours of sunshine does North Bellport have in September?

In North Bellport, the average sunshine duration in September is 9.1h.

What is the UV index reading in September?

In September, the average daily maximum UV index in North Bellport is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
North Bellport, NY

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - North Bellport, NY
  • Average daylight in September: 12h and 3min

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 1min

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 - 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 - 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 - 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 - 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).

North Bellport, New York, USA

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