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
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a hot 90.3°F (32.4°C) in August to a warm 84.9°F (29.4°C). Nighttime temperature in Chappells experiences an average drop to a refreshing 65.1°F (18.4°C) in September.Heat index
The heat index value for September is appraised at a tropical 93.2°F (34°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
The average relative humidity in September is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 1.5" (38mm) of precipitation.Snowfall
In Chappells, snow does not fall in April through December.Daylight
In Chappells, the average length of the day in September is 12h and 22min.On the first day of September in Chappells, sunrise is at 7:01 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:12 pm EDT.
Sunshine
In Chappells, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index in Chappells, South Carolina, is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Take precautions - Protection against sunburn is recommended. To guard against the harmful effects of the Sun, minimize exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
How hot does it get in Chappells in September?
What is the average humidity in September in Chappells?
What is the driest month in Chappells?
How many days does it rain in September in Chappells?
When it does not snow in Chappells?
How many hours of daylight does Chappells have in September?
When is the sunrise / sunset in September in Chappells?
How long on average sun shines in September in Chappells?
What is the UV index intensity in September in Chappells?
Average temperature in September
Chappells, SC
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (51.8°F).
- Average low temperature in September: 65.1°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in September
Chappells, SC
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Chappells, SC
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are February and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Chappells, SC
- Average humidity in September: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Chappells, SC
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Chappells, SC
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is October (8.3 days).
Average snowfall in September
Chappells, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Chappells, SC
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.5 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
Chappells, 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: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Chappells, SC
- Average sunshine days in September: 17 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in September
Chappells, SC
- Average UV index in September: 5
The months with the highest UV index are June and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Chappells, SC
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility in September
Chappells, 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).
Chappells, South Carolina, USA
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