September is one of the warmer months of the year in Pakyong, with average highs near 25.2°C and lows around 19.2°C (mean 22.2°C). It is a relatively wet time of year, averaging 237 mm of rainfall and 88% relative humidity across the period.
September is one of the warmer months of the year in Pakyong. Across 45 years of records, the warmest September in Pakyong was 2024 — when the month averaged 23.5°C — while the coldest was 1984 at 20.9°C. Typical September days reach 25.2°C with nights near 19.2°C. The long-term trend is warming, about 0.2°C per decade.
September is a relatively wet time of year in Pakyong, averaging 237 mm of rainfall. The wettest September on record was 2020 with 704 mm, while the driest was 2009 at 95 mm.
Relative humidity in Pakyong during September averages 88%. The most humid September was 2020 at 93%, and the least humid was 1994 at 81%.
September receives about 3.9 kWh/m²/day of solar energy in Pakyong. The sunniest September was 1997 at 4.6 kWh/m²/day, and the cloudiest were 2016 and 2020 at 3.3.
Average wind speed in Pakyong during September is 0.8 m/s. The windiest Septembers were 1984 and 2018 at 0.9 m/s, while the calmest were 2016, 2019 and 2023, among others at 0.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.8°C | 22.1°C | 22.1°C | 22.4°C | 22.8°C | +1°C |
| Avg High | 24.8°C | 25.3°C | 25.2°C | 25.2°C | 25.6°C | +0.8°C |
| Avg Low | 18.8°C | 18.8°C | 19.0°C | 19.5°C | 20.0°C | +1.2°C |
| Avg Rain | 193 mm | 153 mm | 177 mm | 299 mm | 439 mm | +247 mm |
September temperatures in Pakyong have risen by about 1.1°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 15.4°C (1986) to a record high of 30.7°C (2024).
Rainfall in September is a relatively wet time of year, averaging 237 mm, with a wettest year of 704 mm.
A good time to visit Pakyong
September is a good time to visit Pakyong, with days averaging 25.2°C and nights around 19.2°C (mean 22.2°C, warmer than Pakyong's yearly average) and higher rainfall. April and October are marginally more temperate, but September still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 25.9°C | 22.9°C | 19.9°C | 27.6°C | 18.4°C | 361 mm | 89% | 0.8 m/s | 3.8 |
| 2024 🔥 | 26.6°C | 23.5°C | 20.4°C | 30.7°C | 17.3°C | 687 mm | 87% | 0.8 m/s | 4 |
| 2023 | 25.8°C | 22.9°C | 20.1°C | 28.2°C | 18.4°C | 280 mm | 88% | 0.7 m/s | 4.2 |
| 2022 | 24.8°C | 22.3°C | 19.8°C | 26.2°C | 18.5°C | 326 mm | 92% | 0.8 m/s | 3.4 |
| 2021 | 25.5°C | 22.6°C | 19.8°C | 27.9°C | 18.5°C | 277 mm | 89% | 0.8 m/s | 4.1 |
| 2020 🌧️ | 24.8°C | 22.5°C | 20.2°C | 28.1°C | 18.9°C | 704 mm | 93% | 0.8 m/s | 3.3 |
| 2019 | 24.7°C | 22.1°C | 19.5°C | 27.8°C | 16.3°C | 402 mm | 90% | 0.7 m/s | 3.5 |
| 2018 | 25.5°C | 22.5°C | 19.6°C | 27.7°C | 18.6°C | 335 mm | 90% | 0.9 m/s | 4 |
| 2017 | 25.2°C | 22.5°C | 19.8°C | 28.0°C | 18.6°C | 259 mm | 92% | 0.8 m/s | 3.8 |
| 2016 | 24.5°C | 22.1°C | 19.7°C | 26.2°C | 18.2°C | 385 mm | 91% | 0.7 m/s | 3.3 |
| 2015 | 25.2°C | 22.5°C | 19.8°C | 27.0°C | 17.9°C | 260 mm | 90% | 0.7 m/s | 4 |
| 2014 | 25.2°C | 22.3°C | 19.4°C | 28.1°C | 17.7°C | 247 mm | 89% | 0.7 m/s | 3.8 |
| 2013 | 25.8°C | 22.7°C | 19.5°C | 28.2°C | 18.1°C | 190 mm | 86% | 0.7 m/s | 4.2 |
| 2012 | 25.6°C | 22.6°C | 19.7°C | 28.4°C | 18.1°C | 297 mm | 87% | 0.8 m/s | 3.9 |
| 2011 | 25.3°C | 22.2°C | 19.2°C | 27.5°C | 17.3°C | 292 mm | 88% | 0.8 m/s | 3.7 |
| 2010 | 24.8°C | 22.0°C | 19.1°C | 26.6°C | 17.4°C | 320 mm | 90% | 0.7 m/s | 3.6 |
| 2009 | 25.5°C | 22.3°C | 19.1°C | 27.0°C | 17.7°C | 95 mm | 87% | 0.8 m/s | 4.1 |
| 2008 | 25.3°C | 22.2°C | 19.0°C | 26.6°C | 17.9°C | 103 mm | 86% | 0.7 m/s | 3.8 |
| 2007 | 24.8°C | 21.9°C | 18.9°C | 27.1°C | 16.0°C | 278 mm | 86% | 0.8 m/s | 3.7 |
| 2006 | 25.1°C | 22.0°C | 18.8°C | 27.7°C | 16.6°C | 317 mm | 87% | 0.8 m/s | 3.9 |
| 2005 | 26.2°C | 22.9°C | 19.5°C | 28.6°C | 18.4°C | 127 mm | 85% | 0.7 m/s | 4.3 |
| 2004 | 24.6°C | 21.7°C | 18.7°C | 26.2°C | 16.7°C | 170 mm | 89% | 0.8 m/s | 3.6 |
| 2003 | 25.4°C | 22.5°C | 19.5°C | 27.0°C | 18.1°C | 118 mm | 88% | 0.7 m/s | 3.6 |
| 2002 | 25.5°C | 22.0°C | 18.5°C | 28.1°C | 16.9°C | 145 mm | 84% | 0.7 m/s | 3.7 |
| 2001 | 25.0°C | 22.1°C | 19.2°C | 26.7°C | 18.3°C | 227 mm | 88% | 0.7 m/s | 3.7 |
| 2000 | 24.9°C | 21.7°C | 18.5°C | 27.7°C | 15.6°C | 193 mm | 86% | 0.7 m/s | 3.9 |
| 1999 | 25.0°C | 22.0°C | 19.0°C | 26.8°C | 17.9°C | 152 mm | 88% | 0.7 m/s | 4.2 |
| 1998 | 25.7°C | 22.5°C | 19.3°C | 27.6°C | 17.5°C | 164 mm | 87% | 0.7 m/s | 4.2 |
| 1997 | 24.4°C | 21.4°C | 18.4°C | 27.0°C | 15.7°C | 221 mm | 89% | 0.8 m/s | 4.6 |
| 1996 | 25.5°C | 22.1°C | 18.8°C | 28.6°C | 17.5°C | 107 mm | 85% | 0.7 m/s | 4.5 |
| 1995 | 25.7°C | 22.3°C | 18.9°C | 28.7°C | 16.5°C | 108 mm | 85% | 0.8 m/s | 4.2 |
| 1994 | 26.2°C | 22.6°C | 19.0°C | 28.2°C | 16.9°C | 99 mm | 81% | 0.8 m/s | 4.5 |
| 1993 | 25.6°C | 22.1°C | 18.6°C | 29.0°C | 17.4°C | 105 mm | 83% | 0.8 m/s | 3.6 |
| 1992 | 25.6°C | 22.0°C | 18.4°C | 28.5°C | 16.0°C | 119 mm | 84% | 0.8 m/s | 4.3 |
| 1991 | 24.2°C | 21.5°C | 18.8°C | 26.1°C | 17.7°C | 287 mm | 91% | 0.8 m/s | 4 |
| 1990 | 25.4°C | 22.2°C | 19.0°C | 28.5°C | 17.2°C | 165 mm | 87% | 0.8 m/s | 3.6 |
| 1989 | 25.3°C | 22.1°C | 18.9°C | 28.0°C | 17.2°C | 191 mm | 87% | 0.8 m/s | 3.8 |
| 1988 | 25.6°C | 22.4°C | 19.2°C | 27.3°C | 17.6°C | 106 mm | 87% | 0.8 m/s | 3.7 |
| 1987 | 24.8°C | 22.0°C | 19.1°C | 27.0°C | 17.0°C | 210 mm | 89% | 0.8 m/s | 3.8 |
| 1986 | 24.4°C | 21.2°C | 18.1°C | 27.3°C | 15.4°C | 193 mm | 87% | 0.7 m/s | 4.1 |
| 1985 | 24.7°C | 21.7°C | 18.7°C | 27.1°C | 16.8°C | 201 mm | 89% | 0.7 m/s | 3.7 |
| 1984 ❄️ | 23.8°C | 20.9°C | 18.1°C | 26.7°C | 16.7°C | 281 mm | 89% | 0.9 m/s | 3.8 |
| 1983 | 25.0°C | 22.1°C | 19.2°C | 26.8°C | 17.9°C | 175 mm | 90% | 0.8 m/s | — |
| 1982 | 25.2°C | 22.0°C | 18.8°C | 28.1°C | 15.7°C | 177 mm | 88% | 0.8 m/s | — |
| 1981 | 24.7°C | 21.8°C | 18.9°C | 28.2°C | 17.2°C | 199 mm | 88% | 0.7 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 25.2°C with lows near 19.2°C (mean 22.2°C), based on 45 years of NASA POWER data.
September averages 237 mm of rainfall in Pakyong, a relatively wet time of year. The wettest on record was 704 mm in 2020.
The hottest September reached 30.7°C in 2024. The coldest dipped to 15.4°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.1°C. Daytime highs moved from 24.7°C to 25.7°C and overnight lows from 18.7°C to 20°C over the same span.
September is one of the warmer months of the year in Pakyong and a relatively wet time of year, so plan for around 25.2°C daytime highs and 19.2°C at night.
Not quite — September is the 8th coolest month in Pakyong, averaging 22.2°C.
For September in Pakyong, pack light layers you can adjust through the day, with typical highs of 25.2°C and lows of 19.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 88% — quite humid.
Average wind speed in September is 0.8 m/s. The windiest September on record averaged 0.9 m/s (1984).
The wettest September on record was 2020 with 704 mm. On average, September sees 237 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Pakyong behaves each September, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for September specifically, along with year-by-year records and how the month has changed over the decades.
