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 sea temperature 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 commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from 29.4°C (84.9°F) in August to a still moderately hot 25.1°C (77.2°F). Throughout the month of September, Gwangyang observes an average nighttime temperature of 17.8°C (64°F).Humidity
In September, the average relative humidity is 75%.Rainfall
In Gwangyang, during September, the rain falls for 11.5 days and regularly aggregates up to 52mm (2.05") of precipitation. Throughout the year, there are 121.2 rainfall days, and 701mm (27.6") of precipitation is accumulated.Snowfall
In Gwangyang, snow does not fall in April through November.Sea temperature
In Gwangyang, in September, the average water temperature is 23.8°C (74.8°F).Note: For those not fond of cold temperatures, taking a swim at 23.8°C (74.8°F) may require consideration of the sunshine, wind, and ambient temperature. While wetsuits are not mandatory, they can enhance the experience.
Daylight
In Gwangyang, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 06:02 and sunset at 18:56. On the last day of September, sunrise is at 06:23 and sunset at 18:15 KST.
Sunshine
The average sunshine in September is 7.6h.UV index
In Gwangyang, South Korea, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
Frequently asked questions
What is the average September temperature in Gwangyang?
What is the average humidity in September in Gwangyang?
How much does it rain in Gwangyang in September?
When it does not snow in Gwangyang?
What is the sea temperature in September in Gwangyang?
What is the average length of the day in September in Gwangyang?
What time are sunrise and sunset in September in Gwangyang?
How long on average sun shines in September in Gwangyang?
How high is the UV index in September in Gwangyang?
Average temperature in September
Gwangyang, South Korea
- Average high temperature in September: 25.1°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in September: 17.8°C
The month with the highest average low temperature is August (22.6°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).
Average pressure in September
Gwangyang, South Korea
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is January (1024.5mbar).
The month with the lowest atmospheric pressure is July (1007.3mbar).
Average wind speed in September
Gwangyang, South Korea
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is January (14.1km/h).
The calmest month (with the lowest average wind speed) is June (8.9km/h).
Average humidity in September
Gwangyang, South Korea
- Average humidity in September: 75%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is February (60%).
Average rainfall in September
Gwangyang, South Korea
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is July (157mm).
The driest month (with the least rainfall) is December (15mm).
Average rainfall days in September
Gwangyang, South Korea
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Gwangyang, South Korea
- Average snowfall in September: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Gwangyang, South Korea
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (2.7 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Gwangyang, South Korea
- Average sea temperature in September: 23.8°C
The best month for swimming (with the highest average sea temperature) is August (25.6°C).
The coldest month (with the lowest average sea temperature) is March (11°C).
Average daylight in September /
Average sunshine in September
Gwangyang, South Korea
- 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: 7h and 4min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Gwangyang, South Korea
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (23.9 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in September
Gwangyang, South Korea
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Gwangyang, South Korea
- Average cloud cover in September: 39
The month with the most cloud cover is July (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility in September
Gwangyang, South Korea
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, June, September, October, November and December (10km).
The months with the lowest visibility are May, July and August (9km).
Gwangyang, South Korea
Weather forecast for your location
2. Allow the app to use your location
