September weather forecast
Stephentown, NY

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Weather in September

The first month of the autumn, September, is still a pleasant month in Stephentown, New York, with an average temperature fluctuating between 70°F (21.1°C) and 50.2°F (10.1°C).

Temperature

A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a warm 76.8°F (24.9°C) to a pleasant 70°F (21.1°C). In Stephentown, in September, the average low-temperature is a cool 50.2°F (10.1°C).

Humidity

In September, the average relative humidity is 80%.

Rainfall

March and September are months with the least rain when the rain falls for 7.2 days and typically aggregates up to 0.47" (12mm) of rain.

Snowfall

In Stephentown, New York, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:36 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

The average daily maximum UV index in September in Stephentown, New York, is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What are the temperatures in Stephentown in September?

In September, the average high-temperature and low-temperature are 70°F (21.1°C) and 50.2°F (10.1°C) respectively.

What is the average humidity in September in Stephentown?

The average relative humidity in September is 80%.

What is the driest month in Stephentown?

March and September are months with the least rain in Stephentown, New York, when the rain falls for 7.2 days and typically aggregates up to 0.47" (12mm) of rain.

How much does it rain in Stephentown in September?

In September, in Stephentown, New York, the rain falls for 7.2 days. Throughout September, 0.47" (12mm) of precipitation is accumulated.

When it does not snow in Stephentown?

In Stephentown, snow does not fall in June through September.

Does it snow in Stephentown in September?

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

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

The average day length in September is 12h and 29min.

When are sunrise and sunset in September in Stephentown?

In September, on the first day of the month, sunrise is at 6:19 am and sunset at 7:27 pm. On the last day of the month, in Stephentown, sunrise is at 6:50 am and sunset at 6:36 pm EDT.

How long on average sun shines in September in Stephentown?

In September, the average sunshine duration in Stephentown is 8.5h.

What is the UV index reading in September in Stephentown?

In Stephentown, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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
Stephentown, NY

Average temperature in September - Stephentown, NY
  • Average high temperature in September: 70°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in September: 50.2°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).

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Average pressure in September
Stephentown, NY

Average pressure in September - Stephentown, 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
Stephentown, NY

Average wind speed in September - Stephentown, NY
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Stephentown, NY

Average humidity in September - Stephentown, NY
  • Average humidity in September: 80%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in September
Stephentown, NY

Average rainfall in September - Stephentown, NY
  • Average rainfall in September: 0.47"

The wettest month (with the highest rainfall) is October (0.98").
The driest months (with the least rainfall) are March and September (0.47").

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Average rainfall days in September
Stephentown, NY

Average rainfall days in September - Stephentown, NY
  • Average rainfall days in September: 7.2 days

The month with the highest number of rainy days is July (11.2 days).
The month with the least rainy days is February (5.6 days).

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Average snowfall in September
Stephentown, NY

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

The month with the highest snowfall is January (2.05").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Stephentown, NY

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

The month with the highest number of snowfall days is January (12.3 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
Stephentown, NY

Average daylight in September / Average sunshine in September - Stephentown, 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: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

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Average sunshine days in September
Stephentown, NY

Average sunshine days in September - Stephentown, NY
  • Average sunshine days in September: 19.9 days

The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is April (15.6 days).

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Average UV index in September
Stephentown, NY

Average UV index in September - Stephentown, 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
Stephentown, NY

Average cloud cover in September - Stephentown, NY
  • Average cloud cover in September: 40

The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in September
Stephentown, NY

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

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

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Stephentown, New York, USA

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