Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The beginning of September records an average high-temperature of a moderately hot 82.9°F (28.3°C), marking a negligible difference from August's 88°F (31.1°C). Alliance temperatures generally rest at a low of 67.1°F (19.5°C) during the September nights.Heat index
The heat index value during September is estimated at a tropical 91.4°F (33°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
In September, the average relative humidity in Alliance is 78%.Rainfall
In Alliance, in September, it is raining for 12.7 days, with typically 2.28" (58mm) of accumulated precipitation. In Alliance, during the entire year, the rain falls for 151.4 days and collects up to 23.23" (590mm) of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
The average length of the day in September in Alliance, North Carolina, is 12h and 23min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:33 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:52 pm EDT.
Sunshine
In Alliance, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September in Alliance is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 in September translates into these instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Alliance during September?
What is the average humidity in September in Alliance?
How much does it rain in Alliance in September?
When it does not snow in Alliance?
How many hours of daylight does Alliance have in September?
When are sunrise and sunset in September in Alliance?
How many hours of sunshine does Alliance have in September?
What is the UV index intensity in September in Alliance?
Average temperature in September
Alliance, NC
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in September: 67.1°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in September
Alliance, NC
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Alliance, NC
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Alliance, NC
- Average humidity in September: 78%
The months with the highest relative humidity are August and December (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Alliance, NC
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
Alliance, NC
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (8.2 days).
Average snowfall in September
Alliance, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in September
Alliance, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.1 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
Alliance, NC
- Average daylight in September: 12h and 2min
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 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Alliance, NC
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in September
Alliance, NC
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Alliance, NC
- Average cloud cover in September: 37
The months with the most cloud cover are February, March and December (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in September
Alliance, NC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Alliance, North Carolina, USA
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