September weather forecastMars Hill, NC
September
Weather in September
September, the first month of the autumn in Mars Hill, is also a moderately hot month, with an average temperature fluctuating between 75.4°F (24.1°C) and 54.3°F (12.4°C).Temperature
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's moderately hot 81°F (27.2°C) to a still warm 75.4°F (24.1°C). Throughout September, Mars Hill's nights cool down to an average of 54.3°F (12.4°C).Humidity
In Mars Hill, North Carolina, the average relative humidity in September is 79%.Rainfall
In Mars Hill, during September, the rain falls for 16.6 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Mars Hill, during the entire year, the rain falls for 197.7 days and collects up to 40" (1016mm) of precipitation.Snowfall
In Mars Hill, snow does not fall in June through September.Daylight
The average length of the day in September in Mars Hill is 12h and 23min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:14 pm EDT.
Sunshine
In Mars Hill, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September in Mars Hill is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Take precautions - Protection against sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mars Hill, NC
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 54.3°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Mars Hill, NC
- Average pressure in September: 30.05"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
Mars Hill, NC
- Average wind speed in September: 3.8mph
The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in September
Mars Hill, NC
- Average humidity in September: 79%
The months with the highest relative humidity are February, May and December (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Mars Hill, NC
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (2.52").
Average rainfall days in September
Mars Hill, NC
- Average rainfall days in September: 16.6 days
The month with the highest number of rainy days is May (21.9 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in September
Mars Hill, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (8.11").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mars Hill, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mars Hill, 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 12min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Mars Hill, NC
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in September
Mars Hill, NC
- Average UV index in September: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Mars Hill, NC
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility in September
Mars Hill, NC
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





