September weather forecastMountain Home, NC
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Mountain Home, North Carolina, with temperature in the range of an average low of 57.6°F (14.2°C) and an average high of 78.6°F (25.9°C).Temperature
Mountain Home in September undergoes a slight reduction in the average high-temperature, shifting from August's 84.2°F (29°C) to a still warm 78.6°F (25.9°C). Mountain Home, during September nights, observes an average temperature of 57.6°F (14.2°C).Humidity
In Mountain Home, North Carolina, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 14.1 days and accumulates 1.97" (50mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 7:02 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:14 pm EDT.
Sunshine
In Mountain Home, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 5 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. 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
Mountain Home, NC
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in September: 57.6°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in September
Mountain Home, NC
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Mountain Home, NC
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
Mountain Home, NC
- Average humidity in September: 76%
The months with the highest relative humidity are May and December (77%).
The months with the lowest relative humidity are January, July and November (73%).
Average rainfall in September
Mountain Home, NC
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is December (3.9").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Mountain Home, NC
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in September
Mountain Home, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Mountain Home, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 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
Mountain Home, NC
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Mountain Home, NC
- Average sunshine days in September: 13.7 days
The months with the most sunshine days are October and November (19.3 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in September
Mountain Home, NC
- Average UV index in September: 5
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 and December (UV index 2).
Average cloud cover in September
Mountain Home, NC
- Average cloud cover in September: 33
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Mountain Home, NC
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are January, May, September and December (5mi).





