Suwon

Gyeonggi-do Weather in September

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

Thinking about venturing to Gyeonggi-do, South Korea this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Gyeonggi-do in September

Gyeonggi-do, South Korea is a region in South Korea. September in Gyeonggi-do generally has warm temperatures, with high precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 27°C (81°F) and nighttime temperatures around 17°C (63°F) in Suwon.

For a closer look at conditions across Gyeonggi-do, South Korea, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Paju with an average of 125 mm (4.9 in) to high rainfall in Yangpyeong with 143 mm (5.6 in).

Average sunshine

Sunshine levels are moderate in most locations. Suwon typically sees 182 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Gyeonggi-do by month

Pick a month to see the average temperature, rainfall and sunshine in Gyeonggi-do — and find the best time to visit. (based on Suwon)

Best Places to Visit in Gyeonggi-do in September

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

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

Temperature range in Gyeonggi-do (September)

Precipitation variation in Gyeonggi-do (September)

Suwon

In September Suwon generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 17°C (63°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
31°C (88°F)
27°C (81°F)
21°C (70°F)
Min temperature
22°C (72°F)
17°C (63°F)
9°C (48°F)
Monthly sun hours
154 hours
182 hours
207 hours
Monthly rainfall
238 mm (9.4 in)
131 mm (5.2 in)
56 mm (2.2 in)
Monthly rainy days
13 days
9 days
7 days
Weather conditions

Goyang

In September Goyang generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 17°C (63°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
31°C (88°F)
27°C (81°F)
21°C (70°F)
Min temperature
23°C (73°F)
17°C (63°F)
9°C (48°F)
Monthly sun hours
154 hours
182 hours
207 hours
Monthly rainfall
259 mm (10 in)
126 mm (5 in)
54 mm (2.1 in)
Monthly rainy days
13 days
8 days
6 days
Weather conditions

Hwaseong

In September Hwaseong generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
29°C (84°F)
26°C (79°F)
20°C (68°F)
Min temperature
23°C (73°F)
19°C (66°F)
12°C (54°F)
Monthly sun hours
192 hours
202 hours
218 hours
Monthly rainfall
235 mm (9.3 in)
133 mm (5.2 in)
60 mm (2.4 in)
Monthly rainy days
13 days
8 days
7 days
Weather conditions

Paju

In September Paju generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 17°C (63°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
31°C (88°F)
27°C (81°F)
21°C (70°F)
Min temperature
22°C (72°F)
17°C (63°F)
9°C (48°F)
Monthly sun hours
154 hours
182 hours
207 hours
Monthly rainfall
267 mm (11 in)
125 mm (4.9 in)
53 mm (2.1 in)
Monthly rainy days
13 days
8 days
6 days
Weather conditions

Ansan

In September Ansan generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
29°C (84°F)
26°C (79°F)
20°C (68°F)
Min temperature
23°C (73°F)
19°C (66°F)
12°C (54°F)
Monthly sun hours
192 hours
202 hours
218 hours
Monthly rainfall
241 mm (9.5 in)
132 mm (5.2 in)
59 mm (2.3 in)
Monthly rainy days
13 days
8 days
7 days
Weather conditions

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

Popular cities in September

Day & night temperatures, rainfall and average weather in Gyeonggi-do in September.

City Weather Day temp Night temp Rainfall
Suwon 27°C (81°F) 17°C (63°F) 131 mm (5.2 in)
Goyang 27°C (81°F) 17°C (63°F) 126 mm (5 in)
Hwaseong 26°C (79°F) 19°C (66°F) 133 mm (5.2 in)
Paju 27°C (81°F) 17°C (63°F) 125 mm (4.9 in)
Ansan 26°C (79°F) 19°C (66°F) 132 mm (5.2 in)
Seongnam 27°C (81°F) 16°C (61°F) 136 mm (5.4 in)

Gyeonggi-do weather in September: frequently asked questions

What is the weather like in Gyeonggi-do, South Korea in September?

September in Gyeonggi-do, South Korea brings pleasant weather. In Suwon, daytime temperatures are typically around 27°C (81°F) and nighttime lows hover near 17°C (63°F).

What is the average temperature in Gyeonggi-do, South Korea in September?

In Suwon, the average daytime high in September is 27°C (81°F), while nighttime temperatures drop to around 17°C (63°F).

Does Gyeonggi-do, South Korea get a lot of rain in September?

Gyeonggi-do, South Korea sees substantial rainfall in September. Suwon typically averages about 131 mm (5.2 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Gyeonggi-do, South Korea?

Given the typically pleasant weather conditions in Suwon, September might be a good time to visit Gyeonggi-do, South Korea. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Gyeonggi-do, South Korea is in May and October with generally perfect weather in Suwon. On the other hand, the months of January, February, July and August tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Gyeonggi-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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.