Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Carlisle?
What is the average humidity in September in Carlisle?
What is the driest month in Carlisle?
How many days does it rain in September in Carlisle?
When it does not snow in Carlisle?
Does it snow in Carlisle in September?
How many hours of daylight does Carlisle have in September?
When is the sunrise / sunset in September in Carlisle?
How many hours of sunshine does Carlisle have in September?
What is the UV index reading in September in Carlisle?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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