September weather forecastByrdcliffe, NY

September

Weather in September

September, the first month of the autumn in Byrdcliffe, is still a pleasant month, with an average temperature varying between 51.8°F (11°C) and 72.7°F (22.6°C).

Temperature

Byrdcliffe's progression into September involves a gentle drop in the average high-temperature, from a moderately hot 80.1°F (26.7°C) in August to an agreeable 72.7°F (22.6°C). An average minimum temperature of 51.8°F (11°C) is recorded during the month of September.

Humidity

The average relative humidity in September is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.1 days and typically collects 1.65" (42mm) of precipitation.

Snowfall

In Byrdcliffe, 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 September, sunrise is at 6:22 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:39 pm EDT.

Sunshine

In September, the average sunshine in Byrdcliffe is 9h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in September, in Byrdcliffe, is 72.7°F (22.6°C), while the low-temperature averages to 51.8°F (11°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

The average relative humidity in September is 78%.

September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.65" (42mm) of precipitation.

In Byrdcliffe, during September, the rain falls for 11.1 days and regularly aggregates up to 1.65" (42mm) of precipitation.

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

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

The average day length in September is 12h and 28min.

In September, on the first day of the month, sunrise is at 6:22 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:39 pm EDT.

The average sunshine duration in September is 9h.

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Byrdcliffe, NY

  • Average high temperature in September: 72.7°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in September: 51.8°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 (17.8°F).

Average pressure in September
Byrdcliffe, 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
Byrdcliffe, NY

  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
Byrdcliffe, NY

  • Average humidity in September: 78%

The months with the highest relative humidity are February and December (82%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in September
Byrdcliffe, NY

  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in September
Byrdcliffe, NY

  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is September (11.1 days).

Average snowfall in September
Byrdcliffe, NY

  • Average snowfall in September: 0"

The month with the highest snowfall is February (6.73").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Byrdcliffe, NY

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Byrdcliffe, 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: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in September
Byrdcliffe, NY

  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (9.7 days).

Average UV index in September
Byrdcliffe, NY

  • Average UV index in September: 4

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Byrdcliffe, NY

  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 35).

Average visibility in September
Byrdcliffe, NY

  • Average visibility in September: 5mi

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