September weather forecast
Schenectady, NY

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Weather in September

September ushers in a seasonal change in Schenectady, as the summer warmth gives way to fall's cool and crisp air. The change is evident as temperatures decline to a milder 71.4°F (21.9°C). The city begins to wear autumnal colors, with leaves starting to turn into various shades of orange and red. The month offers a mixture of the last sweltering summer days and the refreshing early onset of autumn. With summer crowds dissipating, it is an ideal time to take in the splendid natural beauty of the city.

Temperature

With the beginning of September, the average high-temperature in Schenectady shows a small decrease, transitioning from a warm 79.2°F (26.2°C) in August to an agreeable 71.4°F (21.9°C). Throughout September, an average nighttime temperature of 51.6°F (10.9°C) is experienced in Schenectady.

Humidity

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

Rainfall

In Schenectady, during September, the rain falls for 10.1 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, in Schenectady, there are 137.4 rainfall days, and 25.75" (654mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Schenectady, the average length of the day in September is 12h and 29min.
On the first day of September, sunrise is at 6:21 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:38 pm EDT.

Sunshine

The average sunshine in September is 9h.

UV index

In Schenectady, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 3 during September leads to these instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What is the temperature in September in Schenectady?

In Schenectady, 71.4°F (21.9°C) is the average high-temperature and 51.6°F (10.9°C) is the average low-temperature during September. In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 86°F (30°C).

What is the average humidity in September in Schenectady?

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

How many days does it rain in September in Schenectady?

In Schenectady, during September, the rain falls for 10.1 days and regularly aggregates up to 1.73" (44mm) of precipitation.

When it does not snow in Schenectady?

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

Does it snow in Schenectady in September?

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

How many hours of daylight does Schenectady have in September?

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

What time are sunrise and sunset in September in Schenectady?

In September, on the first day of the month, sunrise is at 6:21 am and sunset at 7:29 pm. On the last day of the month, in Schenectady, sunrise is at 6:52 am and sunset at 6:38 pm EDT.

How many hours of sunshine does Schenectady have in September?

In September, the average sunshine duration is 9h.

What is the UV index intensity in September in Schenectady?

In September, the average daily maximum UV index in Schenectady is 3. 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
Schenectady, NY

Average temperature in September - Schenectady, 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 (28.6°F).

  • Average low temperature in September: 51.6°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in September
Schenectady, NY

Average pressure in September - Schenectady, 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
Schenectady, NY

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

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Schenectady, NY

Average humidity in September - Schenectady, 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 (74%).

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Average rainfall in September
Schenectady, NY

Average rainfall in September - Schenectady, NY
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (1.57").

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Average rainfall days in September
Schenectady, NY

Average rainfall days in September - Schenectady, NY
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (6.2 days).

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Average snowfall in September
Schenectady, NY

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

The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Schenectady, NY

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

The month with the highest number of snowfall days is February (9.5 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
Schenectady, NY

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

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in September
Schenectady, NY

Average sunshine days in September - Schenectady, NY
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is April (12.6 days).

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Average UV index in September
Schenectady, NY

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

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Schenectady, NY

Average cloud cover in September - Schenectady, NY
  • Average cloud cover in September: 35

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
Schenectady, NY

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

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

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Schenectady, New York, USA

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