Gwangmyeong
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Gwangmyeong Weather in September

September in Gwangmyeong typically sees daytime highs of 27°C (81°F) and nighttime lows of 18°C (64°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Gwangmyeong in September

Typically, you can expect about 9 days of rain this month, with 129 mm (5.1 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Gwangmyeong in September

In September, Gwangmyeong sees high temperatures, with highs of 27°C (81°F). Nights drop to around 18°C (64°F). This kind of day-to-night contrast is typical for this time of year. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Gwangmyeong in September

The city usually sees around 182 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Gwangmyeong in September

September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May and October typically offer the best weather for Gwangmyeong.

Gwangmyeong Temperature in September

Min Temperature
18°C (64°F)
Max Temperature
27°C (81°F)
Chance of Rain
29%
Precipitation
129 mm (5.1 in)
Rainy days
9 days
Humidity
67% *
Windspeed
2 m/s (4 knots) *
Sunshine
182 hours *
Percentage Sunshine
48% *
* Data from: Seoul, South Korea (13 KM, 8 Miles).

Gwangmyeong Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Gwangmyeong - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Gwangmyeong typically drop from around 28°C (82°F) at the start of September to approximately 24°C (75°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 20°C (68°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 records for Gwangmyeong in September

Browse day-by-day weather records for Gwangmyeong spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Gwangmyeong historical weather extremes in September

According to our 50 years of weather records for Gwangmyeong, the following extremes were recorded between 1976 and 2026.

  • On September 11, 2024, temperatures climbed to 35°C (95°F), marking the warmest September day on record.
  • Gwangmyeong experienced its chilliest September day on September 26, 1987, reaching only 16°C (61°F).
  • The lowest overnight temperature recorded in September was 4°C (39°F) (September 27, 1987).

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

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).

What to Wear in Gwangmyeong in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Gwangmyeong in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    7/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Gwangmyeong 3-Day Forecast

More climate data for Gwangmyeong

Popular in September

Where to go in September - average daytime high across popular destinations.

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