September weather forecastDaejeon, South Korea
September
Weather in September
September in Daejeon is a celebration of fall. The city transitions from the summer month of August to a milder climate. Days remain warm but are balanced with the cool breeze of the coming fall season. September marks a considerable decrease in rainfall, signaling the end of monsoon. Reflecting the change in seasons, the city sports a reduced cloud cover, offering clearer skyscapes.Temperature
As September commences, the average high-temperature subtly reduces, transitioning from a warm 28.9°C (84°F) in August to a still moderately hot 24°C (75.2°F). During the month of September, the nighttime temperature in Daejeon falls to an average of 14.4°C (57.9°F).Humidity
In Daejeon, the average relative humidity in September is 81%.Rainfall
In Daejeon, in September, it is raining for 11.8 days, with typically 82mm (3.23") of accumulated precipitation. In Daejeon, during the entire year, the rain falls for 133.5 days and collects up to 747mm (29.41") of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 06:02 and sunset at 18:58. On the last day of September, in Daejeon, sunrise is at 06:24 and sunset at 18:15 KST.
Sunshine
In Daejeon, South Korea, the average sunshine in September is 8h.UV index
In Daejeon, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Daejeon, South Korea
- Average high temperature in September: 24°C
The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in September: 14.4°C
The month with the highest average low temperature is August (20.1°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).
Average pressure in September
Daejeon, South Korea
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is January (1025.2mbar).
The month with the lowest atmospheric pressure is July (1007.2mbar).
Average wind speed in September
Daejeon, South Korea
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is March (9.7km/h).
The calmest month (with the lowest average wind speed) is June (6.5km/h).
Average humidity in September
Daejeon, South Korea
- Average humidity in September: 81%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (63%).
Average rainfall in September
Daejeon, South Korea
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is July (175mm).
The driest month (with the least rainfall) is January (17mm).
Average rainfall days in September
Daejeon, South Korea
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in September
Daejeon, South Korea
- Average snowfall in September: 0mm
The month with the highest snowfall is December (40mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Daejeon, South Korea
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (8.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Daejeon, South Korea
- Average daylight in September: 12h and 24min
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 0min
The month with the most sunshine is May (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Daejeon, South Korea
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in September
Daejeon, South Korea
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Daejeon, South Korea
- Average cloud cover in September: 36
The month with the most cloud cover is July (Cloud cover 54).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility in September
Daejeon, South Korea
- Average visibility in September: 8km
The months with the highest visibility are February and March (10km).
The month with the lowest visibility is July (7km).
