September weather forecast
Carlisle, NY

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Weather in September

The first month of the autumn, September, is still a pleasant month in Carlisle, New York, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 69.1°F (20.6°C).

Temperature

The advent of September brings a subtle shift in temperature, with the average high moving from a moderately hot 75.9°F (24.4°C) in August to an agreeable 69.1°F (20.6°C). Throughout the month of September, the average temperature dips to a chilly 49.1°F (9.5°C) at night.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 2.13" (54mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:23 am and sunset at 7:31 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:40 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in September in Carlisle is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 3 during September translates into the following guidance:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Carlisle?

In Carlisle, in September, the average high-temperature is 69.1°F (20.6°C), and the average low-temperature is 49.1°F (9.5°C).

What is the average humidity in September in Carlisle?

The average relative humidity in September in Carlisle is 80%.

What is the driest month in Carlisle?

The month with the least rainfall in Carlisle, New York, is September, when the rain falls for 12.5 days and typically collects 2.13" (54mm) of precipitation.

How many days does it rain in September in Carlisle?

In Carlisle, New York, during September, the rain falls for 12.5 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow in Carlisle?

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

Does it snow in Carlisle in September?

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

How many hours of daylight does Carlisle have in September?

In Carlisle, New York, the average day length in September is 12h and 29min.

When is the sunrise / sunset in September in Carlisle?

In September, on the first day of the month, sunrise is at 6:23 am and sunset at 7:31 pm. On the last day of the month, in Carlisle, New York, sunrise is at 6:54 am and sunset at 6:40 pm EDT.

How many hours of sunshine does Carlisle have in September?

The average sunshine duration in September in Carlisle is 8.7h.

What is the UV index reading in September in Carlisle?

In Carlisle, New York, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Carlisle, NY

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

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in September: 49.1°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in September
Carlisle, NY

Average pressure in September - Carlisle, NY
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in September
Carlisle, NY

Average wind speed in September - Carlisle, NY
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in September
Carlisle, NY

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

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (78%).

Average rainfall in September
Carlisle, NY

Average rainfall in September - Carlisle, NY
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is August (3.35").
The driest month (with the least rainfall) is September (2.13").

Average rainfall days in September
Carlisle, NY

Average rainfall days in September - Carlisle, NY
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in September
Carlisle, NY

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

The month with the highest snowfall is February (9.06").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Carlisle, NY

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

The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Carlisle, NY

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).

Average sunshine days in September
Carlisle, NY

Average sunshine days in September - Carlisle, NY
  • Average sunshine days in September: 15 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (6.1 days).

Average UV index in September
Carlisle, NY

Average UV index in September - Carlisle, NY
  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February, November and December (UV index 1).

Average cloud cover in September
Carlisle, NY

Average cloud cover in September - Carlisle, NY
  • Average cloud cover in September: 40

The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in September
Carlisle, NY

Average visibility in September - Carlisle, NY
  • Average visibility in September: 5mi

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

Carlisle, New York, USA

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