September weather forecastCarthage, MO
September
Weather in September
The first month of the autumn, September, is still a warm month in Carthage, Missouri, with an average temperature fluctuating between 80.1°F (26.7°C) and 61.2°F (16.2°C).Temperature
A mild drop in Carthage's average high-temperature is observed in September, transitioning from a hot 86.7°F (30.4°C) in August to a moderately hot 80.1°F (26.7°C). Throughout the September nights, Carthage encounters a low-temperature of 61.2°F (16.2°C).Humidity
In Carthage, the average relative humidity in September is 74%.Rainfall
In Carthage, Missouri, in September, during 12 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Carthage, during the entire year, the rain falls for 136.8 days and collects up to 25.79" (655mm) of precipitation.Snowfall
In Carthage, snow does not fall in April, June through October.Daylight
In Carthage, Missouri, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:12 am and sunset at 7:01 pm CDT.
Sunshine
The average sunshine in September in Carthage is 9.5h.UV index
The average daily maximum UV index in September in Carthage is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Adopt protective measures - It is advised to guard against sun damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Carthage, MO
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Carthage, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Carthage, MO
- Average wind speed in September: 7.5mph
The windiest months (with the highest average wind speed) are March and April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Carthage, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Carthage, MO
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in September
Carthage, MO
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is December (5.5 days).
Average snowfall in September
Carthage, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Carthage, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Carthage, MO
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Carthage, MO
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in September
Carthage, MO
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Carthage, MO
- Average cloud cover in September: 28
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Carthage, MO
- 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).





