September weather forecastNew Madison, OH
September
Weather in September
September, the first month of the autumn in New Madison, is still a warm month, with an average temperature ranging between min 56.7°F (13.7°C) and max 74.8°F (23.8°C).Temperature
New Madison's weather, upon September's arrival, documents an average high-temperature of a still moderately hot 74.8°F (23.8°C), nearly identical to the prior month. New Madison observes an average low-temperature of 56.7°F (13.7°C) during September nights.Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 14.3 days and accumulates 2.09" (53mm) of precipitation.Snowfall
In New Madison, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 7:07 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:22 pm EDT.
Sunshine
In September, the average sunshine in New Madison is 8.2h.UV index
In New Madison, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Heed the precautions - Suggestions to avoid sunburn are made. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
New Madison, OH
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
New Madison, OH
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
New Madison, OH
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
New Madison, OH
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
New Madison, OH
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in September
New Madison, OH
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
New Madison, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.23").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
New Madison, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
New Madison, OH
- 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 24min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
New Madison, OH
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in September
New Madison, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
New Madison, OH
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
New Madison, OH
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January and September (5mi).





