Changwon Weather in September
September in Changwon brings high temperatures, with daytime highs of 28°C (82°F) and nights around 19°C (66°F). Quite a bit of rainfall is expected, around 169 mm (6.7 in), so pack an umbrella.
Rainfall in Changwon in September
Typically, about 10 days will experience rainfall, with an average of 169 mm (6.7 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Changwon in September
Daytime highs in Changwon in September reach 28°C (82°F), with nights around 19°C (66°F). During September, the summer season is in full swing. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 19°C (66°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Changwon in September
The area enjoys a moderate level of sunlight, with around 166 hours. It's a good balance between sunny and cloudy days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. October typically offers the best weather for Changwon.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Changwon's climate page.
Changwon Temperature in September
Min Temperature
19°C (66°F)
Max Temperature
28°C (82°F)
Chance of Rain
32%
Precipitation
169 mm (6.7 in)
Rainy days
10 days
Humidity
75% *
Sunshine
166 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Changwon typically drop from around 29°C (84°F) at the start of September to approximately 25°C (77°F) by the end. Nights are pleasant, with lows typically ranging from 16°C (61°F) to 22°C (72°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Changwon in September
Browse day-by-day weather records for Changwon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Changwon historical weather extremes in September
Based on weather observations in Changwon between 1976 and 2025, these are the recorded extremes during September.
- Changwon recorded its highest September temperature of 35°C (95°F) on September 2, 1994.
- The lowest daytime temperature in September was 18°C (64°F), recorded on September 19, 1986.
- Nighttime temperatures dropped to 7°C (45°F) on September 18, 1995, marking the coldest September night on record.
Best Places in South Korea in September
Find out more about the weather in South Korea and which places have the best travel conditions in this month. See all of South Korea in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Changwon in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Changwon in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Changwon's climate page.
Temperature Rainfall Sunshine Humidity
See the full Changwon climate overview or explore weather in South Korea.
