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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a hot 89.2°F (31.8°C) to a moderately hot 83.5°F (28.6°C). Broadmouth records a consistent low-temperature of 63.7°F (17.6°C) during September nights.Heat index
September's average heat index is calculated to be a tropical 89.6°F (32°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.Note that heat index values are valued for light wind and location in the shade. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. 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
The average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 11.9 days and accumulates 1.85" (47mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:55 pm. On the last day of September, in Broadmouth, sunrise is at 7:23 am and sunset at 7:14 pm EDT.
Sunshine
The average sunshine in September in Broadmouth is 8.4h.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 unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 6 in September transforms into this advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
How hot is it in Broadmouth in September?
What is the average humidity in September in Broadmouth?
What is the driest month in Broadmouth?
How much does it rain in Broadmouth in September?
When it does not snow in Broadmouth?
How many hours of daylight does Broadmouth have in September?
When are sunrise and sunset in September in Broadmouth?
How many hours of sunshine does Broadmouth have in September?
What is the UV index reading in September in Broadmouth?
Average temperature in September
Broadmouth, SC
- Average high temperature in September: 83.5°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in September
Broadmouth, SC
- Average pressure in September: 30.03"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
Broadmouth, SC
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Broadmouth, 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
Broadmouth, SC
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is December (4.09").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Broadmouth, SC
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in September
Broadmouth, SC
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Broadmouth, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.3 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
Broadmouth, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Broadmouth, SC
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Broadmouth, SC
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Broadmouth, SC
- Average cloud cover in September: 33
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in September
Broadmouth, SC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Broadmouth, South Carolina, USA
Weather forecast for your location
2. Allow the app to use your location
