September weather forecast and climate
Astoria, NY

Weather in September

The first month of the autumn, September, is also a moderately hot month in Astoria, New York, with average temperature varying between 62.6°F (17°C) and 74.3°F (23.5°C).

Temperature

In Astoria, the average high-temperature slightly decreases, from 81.3°F (27.4°C) in August, to a still warm 74.3°F (23.5°C). The average low-temperature, in Astoria, is 62.6°F (17°C).

Humidity

In September, the average relative humidity 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 in Astoria.

Daylight

The average length of the day in Astoria is 12.4h.

Sunshine

The average sunshine in September is 9h.

UV index

In Astoria, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Astoria?

In September, the average high-temperature is 74.3°F (23.5°C), and the average low-temperature is 62.6°F (17°C).

What is the average humidity in September in Astoria?

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

How much does it rain in Astoria in September?

In Astoria, during September, the rain falls for 6.6 days and regularly aggregates up to 0.2" (5mm) of precipitation.

What is the driest month in Astoria?

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

When it does not snow in Astoria?

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

How many hours of daylight does Astoria have in September?

In September, the average length of the day is 12.4h.

How long on average sun shines in September in Astoria?

The average sunshine in September in Astoria is 9h.

How high is the UV index in September in Astoria?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

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"

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

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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%

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"

Months with the highest snowfall are February, March and December (0.16").
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

Months with the highest number of snowfall days are January and February (2.6 days).
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: 12.4h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 9h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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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

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

Months with the highest UV index are May, June, July and August (UV index 6).
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

Months with the most cloud cover are February, March and December (Cloud cover 47).
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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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