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
Entering September, the average high-temperature is recorded at a moderately hot 82.6°F (28.1°C), exhibiting a minimal shift from August's 87.8°F (31°C). In September, Mount Croghan experiences an average nighttime temperature of 65.1°F (18.4°C).Heat index
The heat index for September is estimated at a tropical 87.8°F (31°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
The average relative humidity in September is 74%.Rainfall
In Mount Croghan, during September, the rain falls for 13.4 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Mount Croghan, during the entire year, the rain falls for 166.4 days and collects up to 33.7" (856mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Mount Croghan, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:54 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:05 pm EDT.
Sunshine
In Mount Croghan, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily UV index of 6 turns into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Mount Croghan, SC
- Average high temperature in September: 82.6°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in September: 65.1°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in September
Mount Croghan, 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 (29.97"Hg).
Average wind speed in September
Mount Croghan, SC
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Mount Croghan, SC
- Average humidity in September: 74%
The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are January, March, July and November (71%).
Average rainfall in September
Mount Croghan, SC
- Average rainfall in September: 2.68"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days in September
Mount Croghan, SC
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in September
Mount Croghan, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Mount Croghan, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Mount Croghan, SC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
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 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Mount Croghan, SC
- Average sunshine days in September: 15 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in September
Mount Croghan, 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
Mount Croghan, SC
- Average cloud cover in September: 31
The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Mount Croghan, 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).
Mount Croghan, South Carolina, USA
Weather forecast for your location
2. Allow the app to use your location