September weather forecastRobersonville, NC
September
Weather in September
September, the first month of the autumn in Robersonville, is also a moderately hot month, with an average temperature fluctuating between 64.9°F (18.3°C) and 81.5°F (27.5°C).Temperature
September notes an average high-temperature of a moderately hot 81.5°F (27.5°C), subtly differing from August's 86.7°F (30.4°C). September nights in Robersonville experience a consistent temperature drop to an enjoyable 64.9°F (18.3°C).Heat index
September's average heat index is evaluated at a hot 87.8°F (31°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
The months with the highest humidity are May, August and September, with an average relative humidity of 79%.Rainfall
In Robersonville, in September, during 8.6 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Robersonville, during the entire year, the rain falls for 92.6 days and collects up to 8.23" (209mm) of precipitation.Snowfall
In Robersonville, North Carolina, snow does not fall in March through November.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:53 pm EDT.
Sunshine
In September, the average sunshine in Robersonville is 9.2h.UV index
In September, the average daily maximum UV index in Robersonville is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Robersonville, NC
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 64.9°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in September
Robersonville, NC
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Robersonville, NC
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Robersonville, NC
- Average humidity in September: 79%
The months with the highest relative humidity are May, August and September (79%).
The months with the lowest relative humidity are January, March and April (75%).
Average rainfall in September
Robersonville, NC
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is August (1.14").
The driest months (with the least rainfall) are March and October (0.43").
Average rainfall days in September
Robersonville, NC
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is August (11.5 days).
The month with the least rainy days is October (4.7 days).
Average snowfall in September
Robersonville, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Robersonville, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Robersonville, 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: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Robersonville, NC
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is October (24.3 days).
The month with the least sunshine days is August (15.6 days).
Average UV index in September
Robersonville, NC
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Robersonville, NC
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in September
Robersonville, NC
- 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).
