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
With the onset of September, Seosan's climate undergoes a slight change as the average high-temperature moves from 27.3°C (81.1°F) in August to a still moderately hot 23.6°C (74.5°F). Seosan's nocturnal readings in September exhibit minimal variation from the daytime temperatures, averaging at a refreshing 19.5°C (67.1°F).Humidity
In Seosan, the average relative humidity in September is 74%.Rainfall
In Seosan, during September, the rain falls for 9.4 days and regularly aggregates up to 65mm (2.56") of precipitation. Throughout the year, there are 123 rainfall days, and 754mm (29.69") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Seosan.Daylight
In September, the average length of the day in Seosan is 12h and 26min.On the first day of September in Seosan, South Korea, sunrise is at 06:05 and sunset at 19:02. On the last day of the month, sunrise is at 06:28 and sunset at 18:19 KST.
Sunshine
In September, the average sunshine in Seosan, South Korea, is 8.4h.UV index
July through September, with an average maximum UV index of 6, are months with the highest UV index in Seosan, South Korea. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What is the usual temperature for Seosan in September?
What is the average humidity in September in Seosan?
How many days does it rain in September in Seosan?
When it does not snow in Seosan?
What is the average length of the day in September in Seosan?
When is the sunrise / sunset in September in Seosan?
How long on average sun shines in September in Seosan?
What is the month with the highest UV index in Seosan?
How high is the UV index in September in Seosan?
Average temperature in September
Seosan, South Korea
- Average high temperature in September: 23.6°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in September: 19.5°C
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (-1°C).
Average pressure in September
Seosan, South Korea
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is January (1025.7mbar).
The month with the lowest atmospheric pressure is July (1006.9mbar).
Average wind speed in September
Seosan, South Korea
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is December (19.3km/h).
The calmest month (with the lowest average wind speed) is June (10.4km/h).
Average humidity in September
Seosan, South Korea
- Average humidity in September: 74%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is February (64%).
Average rainfall in September
Seosan, South Korea
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is July (170mm).
The driest month (with the least rainfall) is January (19mm).
Average rainfall days in September
Seosan, South Korea
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is July (19.1 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in September
Seosan, South Korea
- Average snowfall in September: 0mm
The month with the highest snowfall is December (40mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Seosan, South Korea
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 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
Seosan, South Korea
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Seosan, South Korea
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is October (21.8 days).
The months with the least sunshine days are July and August (10.3 days).
Average UV index in September
Seosan, South Korea
- Average UV index in September: 6
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Seosan, South Korea
- Average cloud cover in September: 29
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility in September
Seosan, South Korea
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, September, October and November (10km).
The months with the lowest visibility are January, July, August and December (9km).
Seosan, South Korea
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