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
Johnson Crossroads observes a minor difference in average high-temperatures between August's 86.7°F (30.4°C) and September's 81.9°F (27.7°C). Johnson Crossroads's average low-temperature during September nights is observed to be an enjoyable 64.8°F (18.2°C).Heat index
The heat index for September is estimated at a tropical 87.8°F (31°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
In September, the average relative humidity is 76%.Rainfall
In Johnson Crossroads, in September, it is raining for 13.4 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 152.4 rainfall days, and 28.43" (722mm) of precipitation is accumulated.Snowfall
April 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 6:47 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:59 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Johnson Crossroads?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Johnson Crossroads?
How high is the UV index in September?
Average temperature in September
Johnson Crossroads, NC
- Average high temperature in September: 81.9°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 (48.7°F).
- Average low temperature in September: 64.8°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Johnson Crossroads, NC
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Johnson Crossroads, NC
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Johnson Crossroads, NC
- Average humidity in September: 76%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are January, March and November (73%).
Average rainfall in September
Johnson Crossroads, NC
- Average rainfall in September: 2.6"
The wettest months (with the highest rainfall) are June and August (3.03").
The driest months (with the least rainfall) are January and October (1.77").
Average rainfall days in September
Johnson Crossroads, NC
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in September
Johnson Crossroads, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Johnson Crossroads, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Johnson Crossroads, 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 July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in September
Johnson Crossroads, NC
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Johnson Crossroads, NC
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Johnson Crossroads, NC
- Average cloud cover in September: 36
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Johnson Crossroads, 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).
Johnson Crossroads, North Carolina, USA
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