September weather forecastCarlisle, IN
September
Weather in September
September, the first month of the autumn in Carlisle, is also a moderately hot month, with an average temperature fluctuating between 77.7°F (25.4°C) and 59.5°F (15.3°C).Temperature
The average high-temperature during September is a still moderately hot 77.7°F (25.4°C), almost matching the conditions of the preceding month. The low-temperature average for Carlisle during September stands at a moderate 59.5°F (15.3°C).Humidity
The average relative humidity in September in Carlisle, Indiana, is 75%.Rainfall
September is the month with the least rainfall in Carlisle. Rain falls for 11.8 days and accumulates 1.54" (39mm) of precipitation.Snowfall
May through October are months without snowfall in Carlisle, Indiana.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:19 am and sunset at 8:19 pm. On the last day of September, in Carlisle, sunrise is at 7:45 am and sunset at 7:33 pm EDT.
Sunshine
In September, the average sunshine in Carlisle is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Carlisle, IN
- Average high temperature in September: 77.7°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in September
Carlisle, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Carlisle, IN
- Average wind speed in September: 6.6mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
Carlisle, IN
- Average humidity in September: 75%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Carlisle, IN
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
Carlisle, IN
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in September
Carlisle, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Carlisle, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Carlisle, IN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in September
Carlisle, IN
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in September
Carlisle, IN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Carlisle, IN
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Carlisle, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
