September weather forecast
Wynantskill, NY

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Weather in September

The first month of the autumn, September, is also an agreeable month in Wynantskill, New York, with an average temperature fluctuating between 51.3°F (10.7°C) and 71.4°F (21.9°C).

Temperature

The start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 79.3°F (26.3°C) in August to a pleasant 71.4°F (21.9°C). Nighttime temperatures consistently average a fresh 51.3°F (10.7°C) during September.

Humidity

In Wynantskill, the average relative humidity in September is 78%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.7 days and accumulates 1.93" (49mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 29min.
On the first day of the month, sunrise is at 6:20 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:37 pm EDT.

Sunshine

In September, the average sunshine is 9.1h.

UV index

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 3 during September translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What is the usual temperature for Wynantskill in September?

Wynantskill in September has an average high-temperature of 71.4°F (21.9°C) and an average low-temperature of 51.3°F (10.7°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in July is evaluated at 86°F (30°C).

What is the average humidity in September in Wynantskill?

The average relative humidity in September is 78%.

What is the driest month in Wynantskill?

The month with the least rainfall in Wynantskill is September, when the rain falls for 10.7 days and typically collects 1.93" (49mm) of precipitation.

How much does it rain in Wynantskill in September?

In September, in Wynantskill, the rain falls for 10.7 days. Throughout September, 1.93" (49mm) of precipitation is accumulated.

When it does not snow in Wynantskill?

June through September are months without snowfall in Wynantskill, New York.

Does it snow in Wynantskill in September?

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

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

In September, the average day length in Wynantskill, New York, is 12h and 29min.

What time are sunrise and sunset in September in Wynantskill?

In September, on the first day of the month, sunrise is at 6:20 am and sunset at 7:28 pm. On the last day of the month, in Wynantskill, New York, sunrise is at 6:51 am and sunset at 6:37 pm EDT.

How many hours of sunshine does Wynantskill have in September?

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

What is the UV index reading in September in Wynantskill?

In September, the average daily maximum UV index in Wynantskill, New York, is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Wynantskill, NY

Average temperature in September - Wynantskill, NY
  • Average high temperature in September: 71.4°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in September: 51.3°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in September
Wynantskill, NY

Average pressure in September - Wynantskill, NY
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in September
Wynantskill, NY

Average wind speed in September - Wynantskill, NY
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are January, February and March (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Wynantskill, NY

Average humidity in September - Wynantskill, NY
  • Average humidity in September: 78%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in September
Wynantskill, NY

Average rainfall in September - Wynantskill, NY
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in September
Wynantskill, NY

Average rainfall days in September - Wynantskill, NY
  • Average rainfall days in September: 10.7 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in September
Wynantskill, NY

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

The month with the highest snowfall is February (7.64").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Wynantskill, NY

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

The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in September
Wynantskill, NY

Average sunshine days in September - Wynantskill, NY
  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is April (10.6 days).

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Average UV index in September
Wynantskill, NY

Average UV index in September - Wynantskill, NY
  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in September
Wynantskill, NY

Average cloud cover in September - Wynantskill, NY
  • Average cloud cover in September: 34

The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in September
Wynantskill, NY

Average visibility in September - Wynantskill, NY
  • Average visibility in September: 5mi

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

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Wynantskill, New York, USA

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