September weather forecast
Astoria, NY

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Weather in September

The first month of the autumn, September, is still a warm month in Astoria, New York, with an average temperature ranging between min 62.6°F (17°C) and max 74.3°F (23.5°C).

Temperature

A moderate decline in average high-temperatures is noted in September, moving from 81.3°F (27.4°C) in August to a still moderately hot 74.3°F (23.5°C). September generally records an average low-temperature of 62.6°F (17°C).

Humidity

The average relative humidity in September in Astoria, New York, is 73%.

Rainfall

September is the month with the least rainfall. Rain falls for 6.6 days and accumulates 0.2" (5mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in September in Astoria is 12h and 27min.
On the first day of September, sunrise is at 6:23 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm EDT.

Sunshine

In Astoria, the average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index in Astoria 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 average individuals.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What are September temperatures in Astoria?

Astoria in September has an average high-temperature of 74.3°F (23.5°C) and an average low-temperature of 62.6°F (17°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 86°F (30°C).

What is the average humidity in September in Astoria?

In September, the average relative humidity in Astoria is 73%.

What is the driest month in Astoria?

September is the month with the least rainfall in Astoria, New York. Rain falls for 6.6 days and accumulates 0.2" (5mm) of precipitation.

How much does it rain in Astoria in September?

In Astoria, in September, during 6.6 rainfall days, 0.2" (5mm) of precipitation is typically accumulated.

When it does not snow in Astoria?

In Astoria, New York, snow does not fall in April through November.

What is the average length of the day in September in Astoria?

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

When are sunrise and sunset in September in Astoria?

On the first day of September in Astoria, sunrise is at 6:23 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm EDT.

How many hours of sunshine does Astoria have in September?

In September, the average sunshine duration in Astoria, New York, is 9h.

What is the UV index intensity in September in Astoria?

In Astoria, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Astoria, NY

Average temperature in September - Astoria, NY
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in September: 62.6°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

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Average pressure in September
Astoria, NY

Average pressure in September - Astoria, 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
Astoria, NY

Average wind speed in September - Astoria, NY
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

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Average humidity in September
Astoria, NY

Average humidity in September - Astoria, NY
  • Average humidity in September: 73%

The months with the highest relative humidity are February, May and December (75%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in September
Astoria, NY

Average rainfall in September - Astoria, NY
  • Average rainfall in September: 0.2"

The wettest month (with the highest rainfall) is July (0.75").
The driest month (with the least rainfall) is September (0.2").

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Average rainfall days in September
Astoria, NY

Average rainfall days in September - Astoria, NY
  • Average rainfall days in September: 6.6 days

The month with the highest number of rainy days is July (9.9 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in September
Astoria, NY

Average snowfall in September - Astoria, NY
  • Average snowfall in September: 0"

The months with the highest snowfall are February, March and December (0.16").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Astoria, NY

Average snowfall days in September - Astoria, NY
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Astoria, NY

Average daylight in September / Average sunshine in September - Astoria, 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 0min

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
Astoria, NY

Average sunshine days in September - Astoria, NY
  • Average sunshine days in September: 21.5 days

The months with the most sunshine days are January and December (24 days).
The month with the least sunshine days is June (17.8 days).

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Average UV index in September
Astoria, NY

Average UV index in September - Astoria, NY
  • Average UV index in September: 5

The months with the highest UV index are May, 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
Astoria, NY

Average cloud cover in September - Astoria, NY
  • Average cloud cover in September: 33

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in September
Astoria, NY

Average visibility in September - Astoria, 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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Astoria, New York, USA

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