Ulsan in september: average Weather, Temperature and Climate
Weather in Ulsan in september 2025
The weather in Ulsan in the month of september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 6
Weather at 6am
70°F
Clear/Sunny
39% of time
24%
18%
10%
Weather at 12pm
77°F
Clear/Sunny
37% of time
24%
21%
12%
Weather at 6pm
72°F
Clear/Sunny
37% of time
28%
22%
8%
Weather at 3am
68°F
39%
24%
20%
9%
Evolution of daily average temperature and precipitation in Ulsan in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Ulsan in september.
The climate of Ulsan in september is good
In september in Ulsan, the climate is rather dry (with 9.6in of precipitation over 7 days). This is better than the previous month since in august it receives an average of 10.4in of rainfall over 10 days.
The climate nice around this city september. Temperatures are up to 77°F. The minimum is 70°F. Thus, the mean temperature average in september in Ulsan is 74°F. Note that seasonal normals in contrast with those observed in Ulsan in september with a maximum record of 88°F in 2020 and a minimum record of 58°F in 2012. You can expect to have about 0 days with temperatures over 86°F, or 0 of time.
On this month of september, day length in Ulsan is generally 12:25. Sunrise is at 06:05 and sets at 18:30.
With a good climate, this month is a good month to go in that area.
Seasonal average climate and temperature of Ulsan in september
Check below seasonal norms These datas are generated from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 74°F | ||||
| Highest temperature | 77°F | ||||
| Lowest temperature | 70°F | ||||
| Highest record temperature | 88°F (2020) | ||||
| Lowest record temperature | 58°F (2012) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 76°F | ||||
| Lowest sea temperature | 72°F | ||||
| Highest sea temperature | 80°F | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 70°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 9.6in | ||||
| Number of days with rainfall | 7 day(s) (23%) | ||||
| Record daily rainfall | 9.7in (2019) | ||||
| Other climate data | |||||
| Humidity | 85% | ||||
| Visibility | 9.33km | ||||
| Cloud cover | 43% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:05 | ||||
| Time of sunset | 18:30 | ||||
| Length of day | 12:25 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Ulsan in september 2024:
70°F to 86°F
72°F to 88°F
74°F to 79°F
68°F to 81°F
68°F to 88°F
76°F to 86°F
74°F to 86°F
76°F to 81°F
74°F to 83°F
74°F to 88°F
77°F to 88°F
76°F to 86°F
76°F to 88°F
76°F to 90°F
76°F to 77°F
74°F to 76°F
77°F to 86°F
77°F to 88°F
77°F to 88°F
79°F to 88°F
68°F to 77°F
70°F to 72°F
67°F to 72°F
63°F to 72°F
67°F to 76°F
65°F to 81°F
68°F to 76°F
68°F to 74°F
68°F to 76°F
63°F to 77°F
Map: other cities in South Korea in september
Cities near Ulsan:
| Jangan in september | good weather |
| Yangsan in september | good weather |
| Gyeongju in september | good weather |
| Busan in september | good weather |
| Miryang in september | good weather |
| Pohang in september | good weather |
| Gyeongsan-si in september | good weather |
| Changwon in september | good weather |
| Daegu in september | good weather |
| Oepo in september | good weather |
| Cheongsong gun in september | good weather |
| Gumi in september | good weather |
Click over cities on the map for information about the weather in september.
Ulsan
perfect weather
good
tolerable
bad
very bad
Weather data for Ulsan in september:
Weather data for Ulsan for september are derived from an average of the weather forecast since 2009 in Ulsan. There is a margin of error and these forecasts are to be considered as general information only. The weather in Ulsan can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Ulsan.