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
An average high-temperature of a still moderately hot 82.6°F (28.1°C) marks September, exhibiting a close resemblance to the conditions in August. Nighttime temperatures in Porcher Bluff hover around an average low of 74.1°F (23.4°C) in September, a slight descent from daytime highs.Heat index
September's heat index is computed to be a tropical 89.6°F (32°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In Porcher Bluff, the average relative humidity in September is 76%.Rainfall
In Porcher Bluff, in September, during 18.5 rainfall days, 5.67" (144mm) of precipitation is typically accumulated. In Porcher Bluff, during the entire year, the rain falls for 184.5 days and collects up to 45.83" (1164mm) of precipitation.Snowfall
In Porcher Bluff, snow does not fall in March through December.Daylight
The average length of the day in September in Porcher Bluff is 12h and 22min.On the first day of September, sunrise is at 6:54 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:04 pm EDT.
Sunshine
In Porcher Bluff, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 in September translates into these instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
How hot is September in Porcher Bluff?
What is the average humidity in September in Porcher Bluff?
How many days does it rain in September in Porcher Bluff?
When it does not snow in Porcher Bluff?
What is the average length of the day in September in Porcher Bluff?
When are sunrise and sunset in September in Porcher Bluff?
How long on average sun shines in September in Porcher Bluff?
What is the UV index intensity in September in Porcher Bluff?
Average temperature in September
Porcher Bluff, SC
- Average high temperature in September: 82.6°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in September: 74.1°F
The month with the highest average low temperature is July (78.4°F).
The coldest month (with the lowest average low temperature) is January (45.7°F).
Average pressure in September
Porcher Bluff, SC
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Porcher Bluff, SC
- Average wind speed in September: 9.4mph
The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Porcher Bluff, SC
- Average humidity in September: 76%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall in September
Porcher Bluff, SC
- Average rainfall in September: 5.67"
The wettest month (with the highest rainfall) is August (7.83").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in September
Porcher Bluff, SC
- Average rainfall days in September: 18.5 days
The month with the highest number of rainy days is August (25.2 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Porcher Bluff, SC
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Porcher Bluff, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Porcher Bluff, SC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Porcher Bluff, SC
- Average sunshine days in September: 8.3 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is August (2.5 days).
Average UV index in September
Porcher Bluff, SC
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Porcher Bluff, SC
- Average cloud cover in September: 28
The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Porcher Bluff, 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).
Porcher Bluff, South Carolina, USA
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