September weather forecast
De Peyster, NY

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Weather in September

September, the first month of the autumn in De Peyster, is still a pleasant month, with an average temperature ranging between min 51.1°F (10.6°C) and max 69.1°F (20.6°C).

Temperature

September ushers in a minor alteration in De Peyster's climate, with the average high-temperature moving from August's moderately hot 75.7°F (24.3°C) to a pleasant 69.1°F (20.6°C). Throughout the nights in September, De Peyster experiences an average low-temperature of 51.1°F (10.6°C).

Humidity

In De Peyster, the average relative humidity in September is 80%.

Rainfall

In September, in De Peyster, New York, the rain falls for 13.5 days. Throughout September, 1.77" (45mm) of precipitation is accumulated. Throughout the year, in De Peyster, there are 159.6 rainfall days, and 24.25" (616mm) of precipitation is accumulated.

Snowfall

In De Peyster, snow does not fall in June through September.

Daylight

In De Peyster, New York, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:37 pm. On the last day of September, in De Peyster, sunrise is at 6:59 am and sunset at 6:43 pm EDT.

Sunshine

The average sunshine in September in De Peyster, New York, is 9h.

UV index

In September, the average daily maximum UV index in De Peyster is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high UV index of 3 in September translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Frequently asked questions

What is the temperature in September in De Peyster?

The high-temperature in De Peyster during September is 69.1°F (20.6°C) and the low-temperature is 51.1°F (10.6°C).

What is the average humidity in September in De Peyster?

In De Peyster, the average relative humidity in September is 80%.

How much does it rain in De Peyster in September?

In De Peyster, in September, during 13.5 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

When it does not snow in De Peyster?

June through September are months without snowfall in De Peyster.

Does it snow in De Peyster in September?

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

What is the average length of the day in September in De Peyster?

In September, the average day length is 12h and 31min.

When are sunrise and sunset in September in De Peyster?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:37 pm. On the last day of the month, in De Peyster, New York, sunrise is at 6:59 am and sunset at 6:43 pm EDT.

How long on average sun shines in September in De Peyster?

In September, the average sunshine duration in De Peyster, New York, is 9h.

What is the UV index intensity in September in De Peyster?

In September, the average daily maximum UV index in De Peyster is 3. A UV Index 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
De Peyster, NY

Average temperature in September - De Peyster, NY
  • Average high temperature in September: 69.1°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.7°F).

  • Average low temperature in September: 51.1°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 (10.2°F).

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Average pressure in September
De Peyster, NY

Average pressure in September - De Peyster, NY
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in September
De Peyster, NY

Average wind speed in September - De Peyster, NY
  • Average wind speed in September: 6.9mph

The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in September
De Peyster, NY

Average humidity in September - De Peyster, NY
  • Average humidity in September: 80%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in September
De Peyster, NY

Average rainfall in September - De Peyster, NY
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is August (2.6").
The driest month (with the least rainfall) is February (1.61").

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Average rainfall days in September
De Peyster, NY

Average rainfall days in September - De Peyster, NY
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in September
De Peyster, NY

Average snowfall in September - De Peyster, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is January (6.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
De Peyster, NY

Average snowfall days in September - De Peyster, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (19.1 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
De Peyster, NY

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).

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Average sunshine days in September
De Peyster, NY

Average sunshine days in September - De Peyster, NY
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (8.4 days).

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Average UV index in September
De Peyster, NY

Average UV index in September - De Peyster, NY
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in September
De Peyster, NY

Average cloud cover in September - De Peyster, NY
  • Average cloud cover in September: 36

The months with the most cloud cover are January and February (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in September
De Peyster, NY

Average visibility in September - De Peyster, NY
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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De Peyster, New York, USA

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