September weather forecastEllenville, NY

September

Weather in September

September, the first month of the autumn in Ellenville, is still a pleasant month, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 71.6°F (22°C).

Temperature

With the beginning of September, the average high-temperature shows a small decrease, transitioning from a warm 79°F (26.1°C) in August to a pleasant 71.6°F (22°C). During the nights in September, Ellenville experiences a consistent average temperature of 51.1°F (10.6°C).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In September, the rain falls for 11.1 days. Throughout September, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 138.8 rainfall days, and 20.12" (511mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:40 pm EDT.

Sunshine

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

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During September, Ellenville experiences an average high-temperature of 71.6°F (22°C) and a low-temperature of 51.1°F (10.6°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is evaluated at 86°F (30°C).

In September, the average relative humidity is 80%.

In Ellenville, in September, during 11.1 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

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

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

In Ellenville, the average day length in September is 12h and 28min.

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:40 pm EDT.

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

In Ellenville, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ellenville, NY

  • Average high temperature in September: 71.6°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in September: 51.1°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in September
Ellenville, NY

  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Ellenville, NY

  • Average wind speed in September: 4.9mph

The windiest months (with the highest average wind speed) are January, February and March (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
Ellenville, NY

  • Average humidity in September: 80%

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

Average rainfall in September
Ellenville, NY

  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is July (2.32").
The driest months (with the least rainfall) are January and February (1.18").

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).
The months with the least rainy days are January and February (6.1 days).

Average snowfall in September
Ellenville, NY

  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").

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).
The 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: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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

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).

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: 4mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (5mi).
The months with the lowest visibility are May and September (4mi).