Weather in Seoul in September 2017

Expect 25°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Seoul in September. Check more long-term weather averages for Seoul in September before you book your next holiday to South Korea in 2017.

Key weather averages for Seoul in September

  • 25°C maximum daytime temperature in September in Seoul25
    25°C max day temperature
  • 7 hours of sunshine per day (54% of daylight hours) in September in Seoul7
    7 hours of sunshine per day
  • 9 days with some rainfall in September in Seoul9
    9 days with some rainfall
  • 16°C minimum night-time temperature in September in Seoul16
    16°C min night temperature
  • 12 hours of daylight per day in September in Seoul12
    12 hours of daylight per day
  • Low heat & humidity in September in SeoulL
    Low heat & humidity
  • 161 mm monthly rainfall in September in Seoul161
    161 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Seoul7
    7 (High) UV index

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Metric (°C / mm)  |  Imperial (°F / inches)

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Guide to Seoul weather in September

The average maximum daytime temperature in Seoul in September is a warm 25°C (77°F) with low heat & humidity. The average night-time temperature is usually a comfortable 16°C (61°F). There are usually 7 hours of bright sunshine each day, which represents 54% of the 12 hours of daylight.

Expect 161mm (6.3 inches) of rainfall across the whole of September with 9 days with some rain falling. Maximum UV levels will be high (7 UV index) at midday when the skies are clear.

The weather in Seoul in September is represented by Seoul.

Seoul sunrise & sunset times for September 2017

Browse the sunrise & sunset times for Seoul in September 2017. Select a month to view Seoul sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Friday, 1st September 2017 06:02 19:02
Saturday, 2nd September 2017 06:03 19:00
Sunday, 3rd September 2017 06:04 18:59
Monday, 4th September 2017 06:05 18:57
Tuesday, 5th September 2017 06:05 18:56
Wednesday, 6th September 2017 06:06 18:54
Thursday, 7th September 2017 06:07 18:53
Friday, 8th September 2017 06:08 18:51
Saturday, 9th September 2017 06:09 18:50
Sunday, 10th September 2017 06:10 18:48
Monday, 11th September 2017 06:10 18:47
Tuesday, 12th September 2017 06:11 18:45
Wednesday, 13th September 2017 06:12 18:43
Thursday, 14th September 2017 06:13 18:42
Friday, 15th September 2017 06:14 18:40
Saturday, 16th September 2017 06:15 18:39
Sunday, 17th September 2017 06:15 18:37
Monday, 18th September 2017 06:16 18:36
Tuesday, 19th September 2017 06:17 18:34
Wednesday, 20th September 2017 06:18 18:33
Thursday, 21st September 2017 06:19 18:31
Friday, 22nd September 2017 06:20 18:29
Saturday, 23rd September 2017 06:20 18:28
Sunday, 24th September 2017 06:21 18:26
Monday, 25th September 2017 06:22 18:25
Tuesday, 26th September 2017 06:23 18:23
Wednesday, 27th September 2017 06:24 18:22
Thursday, 28th September 2017 06:25 18:20
Friday, 29th September 2017 06:26 18:19
Saturday, 30th September 2017 06:26 18:17
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Check Seoul weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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