Ansan-si in september: average Weather, Temperature and Climate
Weather in Ansan-si in september 2025
The weather in Ansan-si in the month of september comes from statistical datas on the last years. You can view the weather statistics for all the 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
44% of time
24%
16%
8%
Weather at 12pm
81°F
Clear/Sunny
48% of time
27%
16%
6%
Weather at 6pm
76°F
Clear/Sunny
49% of time
27%
13%
8%
Weather at 3am
72°F
45%
25%
13%
8%
Evolution of daily average temperature and precipitation in Ansan-si in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Ansan-si in september.
The climate of Ansan-si in september is good
the weather in Ansan-si in september is rather dry (with 6.1in of rainfall over 5 days). It should be noted an improvement from the previous month since in august it receives an average of 12in of rainfall over 11 days.
The climate quite pleasant in that area this month. The thermometer averaged maximum of 81°F. On average, the recorded minimum temperature is 70°F. Thus, the mean temperature average on this month of september in Ansan-si is 76°F. These temperatures are far removed from those records observed in Ansan-si in the month of september with a maximum record of 92°F in 2018 and a minimum record of 49°F in 2010. You You can hope to have about 6 days with temperatures above 86°F, or 20 of the month.
Day length in Ansan-si in september is 12:27. Sunrise is at 06:14 and sunset is at 18:41.
With a good climate, september is a good month to go there in South Korea.
Seasonal average climate and temperature of Ansan-si in september
Check below seasonal norms These datas are generated from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 76°F | ||||
| Highest temperature | 81°F | ||||
| Lowest temperature | 70°F | ||||
| Highest record temperature | 92°F (2018) | ||||
| Lowest record temperature | 49°F (2010) | ||||
| Number of days at +86°F | 6 day(s) (20%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 72°F | ||||
| Lowest sea temperature | 69°F | ||||
| Highest sea temperature | 75°F | ||||
| Wind | |||||
| Wind speed | 12km/h | ||||
| Wind temperature | 70°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 6.1in | ||||
| Number of days with rainfall | 5 day(s) (16%) | ||||
| Record daily rainfall | 4.5in (2010) | ||||
| Other climate data | |||||
| Humidity | 81% | ||||
| Visibility | 9.37km | ||||
| Cloud cover | 31% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:14 | ||||
| Time of sunset | 18:41 | ||||
| Length of day | 12:27 | ||||
| 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 Ansan-si in september 2024:
77°F to 88°F
74°F to 79°F
72°F to 85°F
70°F to 88°F
74°F to 85°F
79°F to 85°F
77°F to 88°F
76°F to 90°F
79°F to 92°F
77°F to 90°F
77°F to 95°F
81°F to 83°F
72°F to 77°F
74°F to 85°F
76°F to 88°F
76°F to 88°F
81°F to 86°F
79°F to 86°F
81°F to 88°F
77°F to 86°F
65°F to 68°F
70°F to 74°F
65°F to 74°F
65°F to 77°F
68°F to 79°F
74°F to 81°F
70°F to 79°F
67°F to 81°F
67°F to 79°F
72°F to 81°F
Map: other cities in South Korea in september
Cities near Ansan-si:
| Hwaseong-si in september | good weather |
| Incheon in september | good weather |
| Osan in september | perfect weather |
| Seoul in september | good weather |
| Goyang-si in september | good weather |
| Namyangju in september | good weather |
| Anseong in september | good weather |
| Icheon-si in september | good weather |
| Yangju in september | good weather |
| Yangp'yong in september | good weather |
| Asan in september | good weather |
| Cheonan in september | good weather |
Click over cities on the map for information about the weather in september.
Ansan-si
perfect weather
good
tolerable
bad
very bad
Weather data for Ansan-si in september:
Weather data for Ansan-si for september are derived from an average of the weather forecast since 2009 in Ansan-si. There is a margin of error and these forecasts are to be considered as general information only. The weather in Ansan-si 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 Ansan-si.