September weather forecast and climate
Ellenville, NY

The first month of the autumn, September, is also an agreeable month in Ellenville, New York, with average temperature fluctuating between 51.1°F (10.6°C) and 71.6°F (22°C).

Temperature

In September, the average high-temperature marginally drops, from a moderately hot 79°F (26.1°C) in August, to an agreeable 71.6°F (22°C). In Ellenville, the average low-temperature is 51.1°F (10.6°C).

Humidity

The average relative humidity in September is 80%.

Rainfall

In Ellenville, New York, in September, during 11.1 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Ellenville, New York, during the entire year, the rain falls for 138.8 days and collects up to 20.12" (511mm) of precipitation.

Snowfall

In Ellenville snow does not fall in June through September.

Daylight

In September, the average length of the day in Ellenville is 12.5h.

Sunshine

In Ellenville, New York, the average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in Ellenville is 4. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.

What is the temperature in September in Ellenville?

The average high-temperature, in September, in Ellenville, is 71.6°F (22°C), while the average low-temperature is 51.1°F (10.6°C).

What is the average humidity in September in Ellenville?

In Ellenville, New York, the average relative humidity in September is 80%.

How much does it rain in Ellenville in September?

In September, in Ellenville, the rain falls for 11.1 days. Throughout September, 1.38" (35mm) of precipitation is accumulated.

Does it snow in Ellenville in September?

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

When it does not snow in Ellenville?

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

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

The average length of the day in September in Ellenville is 12.5h.

How long on average sun shines in September in Ellenville?

In Ellenville, the average sunshine in September is 8.7h.

How high is the UV index in September in Ellenville?

In September, the average daily maximum UV index in Ellenville, New York, is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in September - Ellenville, NY
  • Average high temperature in September: 22°C

The warmest month (with the highest average high temperature) is July (27.3°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in September: 10.6°C

The month with the highest average low temperature is July (15.2°C).
The coldest month (with the lowest average low temperature) is January (-8.1°C).

Average pressure in September - Ellenville, NY
  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is November (1019.4mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in September - Ellenville, NY
  • Average wind speed in September: 7.9km/h

The windiest month (with the highest average wind speed) is February (11.3km/h).
The calmest month (with the lowest average wind speed) is August (7.3km/h).

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

Months with the highest relative humidity are February and December (84%).
Months with the lowest relative humidity are April, June and July (77%).

Average rainfall in September - Ellenville, NY
  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is July (59mm).
The driest months (with the least rainfall) are January and February (30mm).

Average rainfall days in September - Ellenville, NY
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is July (16.7 days).
Months with the least rainy days are January and February (6.1 days).

Average snowfall in September - Ellenville, NY
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (92mm).
Months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is February (8.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Ellenville, NY
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 8.7h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.3h).

Average sunshine days in September - Ellenville, NY
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (12.1 days).

Average UV index in September - Ellenville, NY
  • Average UV index in September: 4

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).

Average cloud cover in September - Ellenville, NY
  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 36).

Average visibility in September - Ellenville, NY
  • Average visibility in September: 7km

Months with the highest visibility are January, February, March, April, June, July, August, October, November and December (8km).
Months with the lowest visibility are May and September (7km).