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 advent of September observes an average high-temperature of a warm 82.9°F (28.3°C), nearly identical to August's 87.6°F (30.9°C). In the month of September, the nighttime temperature dips to a steady average of 66°F (18.9°C).Heat index
September's average heat index is calculated to be a hot 91.4°F (33°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.Heat index determinations are made taking into account the shade and light air movements. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
May and September, with an average relative humidity of 78%, are the most humid months in Dillon.Rainfall
In September, the rain falls for 14 days. Throughout September, 2.83" (72mm) of precipitation is accumulated. Throughout the year, there are 159.1 rainfall days, and 32.17" (817mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:43 pm. On the last day of September, in Dillon, sunrise is at 7:11 am and sunset at 7:02 pm EDT.
Sunshine
In September, the average sunshine in Dillon is 9.2h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 6 in September translates into this advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
Is it hot in Dillon during September?
What is the most humid month in Dillon?
What is the average humidity in September in Dillon?
How many days does it rain in September in Dillon?
When it does not snow in Dillon?
How many hours of daylight does Dillon have in September?
What time are sunrise and sunset in September in Dillon?
How long on average sun shines in September in Dillon?
What is the UV index intensity in September in Dillon?
Average temperature in September
Dillon, SC
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (52.2°F).
- Average low temperature in September: 66°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Dillon, SC
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Dillon, SC
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Dillon, SC
- Average humidity in September: 78%
The months with the highest relative humidity are May and September (78%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in September
Dillon, SC
- Average rainfall in September: 2.83"
The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in September
Dillon, SC
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is October (7.8 days).
Average snowfall in September
Dillon, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Dillon, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Dillon, SC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Dillon, SC
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in September
Dillon, SC
- Average UV index in September: 6
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
Dillon, SC
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in September
Dillon, SC
- 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).
Dillon, South Carolina, USA
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