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
Graham's progression into September involves a gentle drop in the average high-temperature, from a tropical 87.3°F (30.7°C) in August to a warm 81.1°F (27.3°C). September in Graham, North Carolina, witnesses an average low-temperature hovering around an enjoyable 62.2°F (16.8°C).Heat index
The heat index in September is computed to be a tropical 86°F (30°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In September, the average relative humidity is 76%.Rainfall
In Graham, in September, during 13.7 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Graham, North Carolina, there are 160.6 rainfall days, and 31.85" (809mm) of precipitation is accumulated.Snowfall
In Graham, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 24min.On the first day of September in Graham, sunrise is at 6:49 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:02 pm EDT.
Sunshine
In Graham, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index in Graham is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 in September translates into these instructions:
Take necessary precautions - Defending against sun damage is advocated. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What are the temperatures in Graham in September?
What is the average humidity in September in Graham?
How many days does it rain in September in Graham?
When it does not snow in Graham?
How many hours of daylight does Graham have in September?
What time are sunrise and sunset in September in Graham?
How many hours of sunshine does Graham have in September?
What is the UV index intensity in September in Graham?
Average temperature in September
Graham, NC
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (46.8°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in September
Graham, NC
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Graham, NC
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Graham, NC
- Average humidity in September: 76%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Graham, NC
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is October (1.89").
Average rainfall days in September
Graham, NC
- Average rainfall days in September: 13.7 days
The months with the highest number of rainy days are May and August (17.3 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in September
Graham, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Graham, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.6 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
Graham, NC
- Average daylight in September: 12h and 2min
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 48min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Graham, NC
- Average sunshine days in September: 15 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in September
Graham, NC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Graham, NC
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 32).
Average visibility in September
Graham, NC
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Graham, North Carolina, USA
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