September weather forecast
Deferiet, NY

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Weather in September

The first month of the autumn, September, is still a pleasant month in Deferiet, New York, with an average temperature fluctuating between 69.1°F (20.6°C) and 52°F (11.1°C).

Temperature

September brings a minor shift in the average high-temperature, adjusting from a moderately hot 75.6°F (24.2°C) in August to an agreeable 69.1°F (20.6°C). An average low-temperature of 52°F (11.1°C) is common during the nights of September.

Humidity

The average relative humidity in September in Deferiet is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 1.69" (43mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 30min.
On the first day of the month, sunrise is at 6:26 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:44 pm EDT.

Sunshine

The average sunshine in September in Deferiet, New York, is 9.2h.

UV index

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 3 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What are the temperatures in Deferiet in September?

The average high-temperature, in September, in Deferiet, is 69.1°F (20.6°C), while the average low-temperature is 52°F (11.1°C).

What is the average humidity in September in Deferiet?

The average relative humidity in September in Deferiet is 78%.

What is the driest month in Deferiet?

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 1.69" (43mm) of precipitation.

How many days does it rain in September in Deferiet?

In Deferiet, New York, during September, the rain falls for 13.5 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When it does not snow in Deferiet?

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

Does it snow in Deferiet in September?

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

How many hours of daylight does Deferiet have in September?

The average day length in September in Deferiet, New York, is 12h and 30min.

When are sunrise and sunset in September in Deferiet?

On the first day of September in Deferiet, New York, sunrise is at 6:26 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:44 pm EDT.

How long on average sun shines in September in Deferiet?

The average sunshine duration in September in Deferiet is 9.2h.

What is the UV index reading in September in Deferiet?

The average daily maximum UV index in September in Deferiet, New York, is 3. A UV Index estimate of 3 to 5 represents a medium health risk 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
Deferiet, NY

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

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in September: 52°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 (13.3°F).

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Average pressure in September
Deferiet, NY

Average pressure in September - Deferiet, 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 (29.91"Hg).

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Average wind speed in September
Deferiet, NY

Average wind speed in September - Deferiet, NY
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in September
Deferiet, NY

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

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in September
Deferiet, NY

Average rainfall in September - Deferiet, NY
  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in September
Deferiet, NY

Average rainfall days in September - Deferiet, NY
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is October (16.8 days).
The month with the least rainy days is February (6.6 days).

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Average snowfall in September
Deferiet, NY

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

The month with the highest snowfall is December (9.25").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Deferiet, NY

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

The month with the highest number of snowfall days is January (18.5 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
Deferiet, NY

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).

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Average sunshine days in September
Deferiet, NY

Average sunshine days in September - Deferiet, NY
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (8.3 days).

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Average UV index in September
Deferiet, NY

Average UV index in September - Deferiet, 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
Deferiet, NY

Average cloud cover in September - Deferiet, NY
  • Average cloud cover in September: 33

The months with the most cloud cover are January and February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in September
Deferiet, NY

Average visibility in September - Deferiet, NY
  • Average visibility in September: 6mi

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

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Deferiet, New York, USA

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