September weather forecastHalifax, NC
September
Weather in September
September, the first month of the autumn in Halifax, is still a warm month, with an average temperature ranging between max 81.1°F (27.3°C) and min 63.5°F (17.5°C).Temperature
Halifax's weather subtly changes with the onset of September, barely falling from a tropical 86.5°F (30.3°C) in August to a moderately hot 81.1°F (27.3°C). In Halifax, an average nighttime temperature of 63.5°F (17.5°C) is expected during September.Heat index
The average heat index in September is appraised at a tropical 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Remember that heat index calculations are made for conditions in the shade with light wind. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In Halifax, the average relative humidity in September is 78%.Rainfall
In Halifax, during September, the rain falls for 12.9 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 149 rainfall days, and 24.02" (610mm) of precipitation is accumulated.Snowfall
In Halifax, North Carolina, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:42 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:54 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Halifax, NC
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in September
Halifax, NC
- Average pressure in September: 30.03"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
Halifax, NC
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Halifax, NC
- Average humidity in September: 78%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in September
Halifax, NC
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is August (2.68").
The driest month (with the least rainfall) is October (1.38").
Average rainfall days in September
Halifax, NC
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Halifax, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Halifax, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Halifax, NC
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Halifax, NC
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in September
Halifax, NC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Halifax, NC
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in September
Halifax, NC
- 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).
