September weather forecast
West Haverstraw, NY

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Weather in September

September, the first month of the autumn in West Haverstraw, is also a moderately hot month, with an average temperature fluctuating between 75°F (23.9°C) and 57°F (13.9°C).

Temperature

With the arrival of September, West Haverstraw experiences a modest decline in average high-temperatures, transitioning from a warm 82.6°F (28.1°C) in August to a still moderately hot 75°F (23.9°C). West Haverstraw records an average temperature drop to a moderate 57°F (13.9°C) in September.

Humidity

In West Haverstraw, the average relative humidity in September is 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.4 days and typically collects 1.89" (48mm) of precipitation.

Snowfall

In West Haverstraw, snow does not fall in June through September.

Daylight

In West Haverstraw, the average length of the day in September is 12h and 28min.
On the first day of September in West Haverstraw, sunrise is at 6:23 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm EDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 4 during September leads to these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

What is the usual temperature for West Haverstraw in September?

West Haverstraw in September has an average high-temperature of 75°F (23.9°C) and an average low-temperature of 57°F (13.9°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in August is estimated at 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 76%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 1.89" (48mm) of precipitation.

How many days does it rain in September?

In West Haverstraw, during September, the rain falls for 12.4 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In West Haverstraw, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

In West Haverstraw, the average day length in September is 12h and 28min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:23 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm EDT.

How many hours of sunshine does West Haverstraw have in September?

The average sunshine duration in September is 8.8h.

How high is the UV index in September?

In West Haverstraw, New York, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
West Haverstraw, NY

Average temperature in September - West Haverstraw, NY
  • Average high temperature in September: 75°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in September: 57°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in September
West Haverstraw, NY

Average pressure in September - West Haverstraw, NY
  • Average pressure in September: 30.06"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
West Haverstraw, NY

Average wind speed in September - West Haverstraw, NY
  • Average wind speed in September: 5.4mph

The windiest months (with the highest average wind speed) are January and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in September
West Haverstraw, NY

Average humidity in September - West Haverstraw, NY
  • Average humidity in September: 76%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (72%).

Average rainfall in September
West Haverstraw, NY

Average rainfall in September - West Haverstraw, NY
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is July (3.23").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in September
West Haverstraw, NY

Average rainfall days in September - West Haverstraw, NY
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in September
West Haverstraw, NY

Average snowfall in September - West Haverstraw, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is March (3.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
West Haverstraw, NY

Average snowfall days in September - West Haverstraw, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
West Haverstraw, NY

Average daylight in September / Average sunshine in September - West Haverstraw, 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: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
West Haverstraw, NY

Average sunshine days in September - West Haverstraw, NY
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in September
West Haverstraw, NY

Average UV index in September - West Haverstraw, NY
  • Average UV index in September: 4

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).

Average cloud cover in September
West Haverstraw, NY

Average cloud cover in September - West Haverstraw, NY
  • Average cloud cover in September: 37

The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
West Haverstraw, NY

Average visibility in September - West Haverstraw, NY
  • Average visibility in September: 6mi

The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).

West Haverstraw, New York, USA

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