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
With the commencement of September, Carlisle records a moderate temperature decline, with the average high easing from August's moderately hot 81.3°F (27.4°C) to a still warm 74.3°F (23.5°C). The nights of September in Carlisle anticipate an average low-temperature of 55.8°F (13.2°C).Humidity
The average relative humidity in September is 78%.Rainfall
In Carlisle, during September, the rain falls for 10.4 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Carlisle, during the entire year, the rain falls for 123.7 days and collects up to 12.09" (307mm) of precipitation.Snowfall
In Carlisle, Pennsylvania, snow does not fall in May through September.Daylight
In September, the average length of the day in Carlisle is 12h and 27min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:40 pm. On the last day of September, in Carlisle, sunrise is at 7:04 am and sunset at 6:52 pm EDT.
Sunshine
The average sunshine in September in Carlisle, Pennsylvania, is 8.9h.UV index
In Carlisle, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, an average UV index of 4 transforms into the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the temperature in September in Carlisle?
What is the average humidity in September 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 long on average sun shines in September in Carlisle?
How high is the UV index in September in Carlisle?
Average temperature in September
Carlisle, PA
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in September
Carlisle, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Carlisle, PA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
Carlisle, PA
- Average humidity in September: 78%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in September
Carlisle, PA
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is May (1.34").
The driest months (with the least rainfall) are January and February (0.75").
Average rainfall days in September
Carlisle, PA
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
Carlisle, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Carlisle, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.7 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, PA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Carlisle, PA
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in September
Carlisle, PA
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Carlisle, PA
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Carlisle, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Carlisle, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
