September weather forecastNew Corydon, IN
September
Weather in September
The first month of the autumn, September, is still a warm month in New Corydon, Indiana, with an average temperature ranging between min 55.8°F (13.2°C) and max 73.9°F (23.3°C).Temperature
New Corydon greets September with an average high-temperature of a still moderately hot 73.9°F (23.3°C), marking a slight deviation from the preceding month. New Corydon records an average temperature drop to a moderate 55.8°F (13.2°C) in September.Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 11.3 days. Throughout September, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 130.2 rainfall days, and 14.8" (376mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In New Corydon, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 7:07 am and sunset at 8:10 pm. On the last day of September, in New Corydon, sunrise is at 7:35 am and sunset at 7:22 pm EDT.
Sunshine
In September, the average sunshine is 8h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
New Corydon, IN
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
New Corydon, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
New Corydon, IN
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
New Corydon, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
New Corydon, IN
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in September
New Corydon, IN
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in September
New Corydon, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
New Corydon, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
New Corydon, IN
- Average daylight in September: 12h and 24min
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 18min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
New Corydon, IN
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
New Corydon, IN
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
New Corydon, IN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
New Corydon, IN
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
