Jeollanam-Do Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Jeollanam-Do, South Korea in September.

Considering a trip to Jeollanam-Do, South Korea this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Jeollanam-Do in September

Jeollanam-Do, South Korea is a region in South Korea. September in Jeollanam-Do generally has warm temperatures, with precipitation levels ranging from high to heavy. September is a summer month.

Temperatures

You can expect warm maximum daytime temperatures of around 26°C (79°F) and nighttime temperatures around 21°C (70°F) in Yeosu.

To learn more about the conditions in specific areas of Jeollanam-Do, South Korea, check out the map below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Wando with an average of 144 mm (5.7 in) to heavy rainfall in Suncheon with 167 mm (6.6 in).

Average sunshine

Sunshine is moderately available across various locations. In Yeosu, you can expect around 160 hours of sunlight in September, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore Jeollanam-Do by month

Pick a month to see the average temperature, rainfall and sunshine in Jeollanam-Do - and find the best time to visit. (based on Yeosu)

Best Places to Visit in Jeollanam-Do in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Jeollanam-Do.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Jeollanam-Do

What is the weather like in September for some of the most popular destinations in Jeollanam-Do, South Korea?

Temperature range in Jeollanam-Do (September)

Precipitation variation in Jeollanam-Do (September)

Yeosu

In September Yeosu generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 21°C (70°F) and heavy monthly rainfall. So on average the conditions are very good that month.

August
September
October
Max temperature
29°C (84°F)
26°C (79°F)
21°C (70°F)
Min temperature
25°C (77°F)
21°C (70°F)
15°C (59°F)
Monthly sun hours
196 hours
160 hours
201 hours
Monthly rainfall
232 mm (9.1 in)
167 mm (6.6 in)
70 mm (2.8 in)
Monthly rainy days
11 days
9 days
6 days
Weather conditions

Suncheon

In September Suncheon generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are very good that month.

August
September
October
Max temperature
30°C (86°F)
27°C (81°F)
22°C (72°F)
Min temperature
23°C (73°F)
18°C (64°F)
11°C (52°F)
Monthly sun hours
174 hours
172 hours
206 hours
Monthly rainfall
279 mm (11 in)
167 mm (6.6 in)
66 mm (2.6 in)
Monthly rainy days
11 days
9 days
6 days
Weather conditions

Boseong

In September Boseong generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are very good that month.

August
September
October
Max temperature
31°C (88°F)
27°C (81°F)
22°C (72°F)
Min temperature
23°C (73°F)
19°C (66°F)
11°C (52°F)
Monthly sun hours
174 hours
172 hours
206 hours
Monthly rainfall
237 mm (9.3 in)
154 mm (6.1 in)
62 mm (2.4 in)
Monthly rainy days
12 days
10 days
6 days
Weather conditions

Haenam-eup

In September Haenam-eup generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 20°C (68°F) and high monthly rainfall. So on average the conditions are very good that month.

August
September
October
Max temperature
30°C (86°F)
26°C (79°F)
21°C (70°F)
Min temperature
24°C (75°F)
20°C (68°F)
14°C (57°F)
Monthly sun hours
174 hours
172 hours
206 hours
Monthly rainfall
196 mm (7.7 in)
148 mm (5.8 in)
57 mm (2.2 in)
Monthly rainy days
11 days
9 days
7 days
Weather conditions

Wando

In September Wando generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 21°C (70°F) and high monthly rainfall. So on average the conditions are very good that month.

August
September
October
Max temperature
29°C (84°F)
26°C (79°F)
21°C (70°F)
Min temperature
25°C (77°F)
21°C (70°F)
16°C (61°F)
Monthly rainfall
181 mm (7.1 in)
144 mm (5.7 in)
61 mm (2.4 in)
Monthly rainy days
11 days
9 days
6 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Jeollanam-Do, in South Korea.

Popular cities in September

Day & night temperatures, rainfall and average weather in Jeollanam-Do in September.

City Weather Day temp Night temp Rainfall
Yeosu 26°C (79°F) 21°C (70°F) 167 mm (6.6 in)
Suncheon 27°C (81°F) 18°C (64°F) 167 mm (6.6 in)
Boseong 27°C (81°F) 19°C (66°F) 154 mm (6.1 in)
Haenam-eup 26°C (79°F) 20°C (68°F) 148 mm (5.8 in)
Wando 26°C (79°F) 21°C (70°F) 144 mm (5.7 in)
Mokpo 26°C (79°F) 20°C (68°F) 160 mm (6.3 in)

Jeollanam-Do weather in September: frequently asked questions

What is the weather like in Jeollanam-Do, South Korea in September?

September in Jeollanam-Do, South Korea brings very good weather. In Yeosu, daytime temperatures are typically around 26°C (79°F) and nighttime lows hover near 21°C (70°F).

What is the average temperature in Jeollanam-Do, South Korea in September?

Average temperatures in Jeollanam-Do, South Korea during September range from a nighttime low near 21°C (70°F) to a daytime high around 26°C (79°F) in Yeosu.

Does Jeollanam-Do, South Korea get a lot of rain in September?

Rainfall in Jeollanam-Do, South Korea peaks during September. Yeosu averages roughly 167 mm (6.6 in), so frequent and sometimes heavy showers are the norm.

Is September a Good Time to Visit Jeollanam-Do, South Korea?

Given the typically very good weather conditions in Yeosu, September might be a good time to visit Jeollanam-Do, South Korea. However, the weather conditions may vary depending on your destination.

Generally speaking, October provides excellent weather in Yeosu. On the other hand, the months of January, February, July and December tend to have less favorable weather conditions.

Interested in more climate information?

We have much more information about the climate in Jeollanam-Do.

Weather and climate has detailed information for every country in the world. Are you going to South Korea? Get detailed historical weather averages for many cities in South Korea.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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