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 shift from August to September includes a small decrease in the average high-temperature, from a tropical 87.3°F (30.7°C) to a moderately hot 81.7°F (27.6°C). In Jamesville, in September, the average low-temperature is an enjoyable 65.5°F (18.6°C).Heat index
In September, the average heat index is computed to be a hot 87.8°F (31°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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
The average relative humidity in September is 79%.Rainfall
In Jamesville, in September, it is raining for 14.7 days, with typically 3.03" (77mm) of accumulated precipitation. Throughout the year, in Jamesville, there are 165.7 rainfall days, and 28.9" (734mm) of precipitation is accumulated.Snowfall
In Jamesville, North Carolina, snow does not fall in April through November.Daylight
In Jamesville, the average length of the day in September is 12h and 23min.On the first day of September in Jamesville, sunrise is at 6:40 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:52 pm EDT.
Sunshine
The average sunshine in September in Jamesville is 8.9h.UV index
The average daily maximum UV index in September in Jamesville is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What are September temperatures in Jamesville?
What is the average humidity in September in Jamesville?
How many days does it rain in September in Jamesville?
When it does not snow in Jamesville?
How many hours of daylight does Jamesville have in September?
When is the sunrise / sunset in September in Jamesville?
How long on average sun shines in September in Jamesville?
How high is the UV index in September in Jamesville?
Average temperature in September
Jamesville, NC
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in September: 65.5°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 (33.8°F).
Average pressure in September
Jamesville, NC
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Jamesville, NC
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Jamesville, NC
- Average humidity in September: 79%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are January and April (76%).
Average rainfall in September
Jamesville, NC
- Average rainfall in September: 3.03"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in September
Jamesville, NC
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is October (9.3 days).
Average snowfall in September
Jamesville, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Jamesville, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.7 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
Jamesville, 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: 8h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Jamesville, NC
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in September
Jamesville, NC
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Jamesville, NC
- Average cloud cover in September: 38
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 32).
Average visibility in September
Jamesville, 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).
Jamesville, North Carolina, USA
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