September weather forecast
Manhasset Hills, NY

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Weather in September

The first month of the autumn, September, is also an agreeable month in Manhasset Hills, New York, with an average temperature fluctuating between 64.6°F (18.1°C) and 72.7°F (22.6°C).

Temperature

September sees a slight reduction in average high-temperature, with a shift from a moderately hot 79.5°F (26.4°C) in August to an agreeable 72.7°F (22.6°C). September in Manhasset Hills sees a slight dip to an average low temperature of 64.6°F (18.1°C) from the daytime highs.

Humidity

The average relative humidity in September is 74%.

Rainfall

In Manhasset Hills, in September, it is raining for 13.4 days, with typically 2.6" (66mm) of accumulated precipitation. In Manhasset Hills, New York, during the entire year, the rain falls for 158.5 days and collects up to 36.38" (924mm) of precipitation.

Snowfall

May through September are months without snowfall in Manhasset Hills.

Daylight

In Manhasset Hills, New York, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of September, in Manhasset Hills, New York, sunrise is at 6:50 am and sunset at 6:37 pm EDT.

Sunshine

The average sunshine in September is 9.1h.

UV index

In Manhasset Hills, 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 exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 5 during September leads to these advisories:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What are September temperatures in Manhasset Hills?

In September, in Manhasset Hills, the average high-temperature is 72.7°F (22.6°C), and the average low-temperature is 64.6°F (18.1°C).

What is the average humidity in September in Manhasset Hills?

The average relative humidity in September in Manhasset Hills, New York, is 74%.

How much does it rain in Manhasset Hills in September?

In Manhasset Hills, New York, in September, it is raining for 13.4 days, with typically 2.6" (66mm) of accumulated precipitation.

When it does not snow in Manhasset Hills?

In Manhasset Hills, New York, snow does not fall in May through September.

Does it snow in Manhasset Hills in September?

In Manhasset Hills, New York, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Manhasset Hills?

The average day length in September is 12h and 27min.

When is the sunrise / sunset in September in Manhasset Hills?

In September, on the first day of the month, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:37 pm EDT.

How many hours of sunshine does Manhasset Hills have in September?

The average sunshine duration in September in Manhasset Hills is 9.1h.

What is the UV index reading in September in Manhasset Hills?

In September, the average daily maximum UV index in Manhasset Hills, New York, 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
Manhasset Hills, NY

Average temperature in September - Manhasset Hills, NY
  • Average high temperature in September: 72.7°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in September: 64.6°F

The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

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Average pressure in September
Manhasset Hills, NY

Average pressure in September - Manhasset Hills, 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).

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Average wind speed in September
Manhasset Hills, NY

Average wind speed in September - Manhasset Hills, NY
  • Average wind speed in September: 9.2mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

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Average humidity in September
Manhasset Hills, NY

Average humidity in September - Manhasset Hills, NY
  • Average humidity in September: 74%

The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in September
Manhasset Hills, NY

Average rainfall in September - Manhasset Hills, NY
  • Average rainfall in September: 2.6"

The wettest month (with the highest rainfall) is July (4.13").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in September
Manhasset Hills, NY

Average rainfall days in September - Manhasset Hills, NY
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (8 days).

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Average snowfall in September
Manhasset Hills, NY

Average snowfall in September - Manhasset Hills, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Manhasset Hills, NY

Average snowfall days in September - Manhasset Hills, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Manhasset Hills, NY

Average daylight in September / Average sunshine in September - Manhasset Hills, 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).

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Average sunshine days in September
Manhasset Hills, NY

Average sunshine days in September - Manhasset Hills, NY
  • Average sunshine days in September: 15 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in September
Manhasset Hills, NY

Average UV index in September - Manhasset Hills, 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).

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Average cloud cover in September
Manhasset Hills, NY

Average cloud cover in September - Manhasset Hills, NY
  • Average cloud cover in September: 32

The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in September
Manhasset Hills, NY

Average visibility in September - Manhasset Hills, 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).

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Manhasset Hills, New York, USA

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