Monthly climate guide
Fukuoka weather in September
With highs near 27°C (80°F) and lows around 19°C (66°F), September feels warm in Fukuoka. Rainfall averages about 212 mm (very wet) and the sky is often cloudy. Daytime highs are 4°C cooler than August and 5°C warmer than October.
What stands out in September
- It cools down fast from here: October is about 5°C cooler.
- Humidity near 85% makes 27°C feel stickier than it sounds.
- September brings early autumn to Fukuoka.
- Only 2 months are warmer in Fukuoka than September.
Avg high
27°C
80°F
Avg low
19°C
66°F
Rainfall
212 mm
very wet
Humidity
85%
relative
Sky
69%
cloud · often cloudy
Fukuoka weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 8°C / 47°F | 0°C / 33°F | 69 mm | 79% | 70% |
| February | 10°C / 50°F | 1°C / 33°F | 88 mm | 79% | 70% |
| March | 14°C / 57°F | 4°C / 38°F | 112 mm | 77% | 64% |
| April | 19°C / 66°F | 8°C / 46°F | 139 mm | 78% | 63% |
| May | 24°C / 75°F | 13°C / 55°F | 137 mm | 78% | 65% |
| June | 27°C / 80°F | 18°C / 64°F | 330 mm | 84% | 81% |
| July | 30°C / 86°F | 22°C / 72°F | 370 mm | 85% | 75% |
| August | 31°C / 88°F | 23°C / 73°F | 234 mm | 83% | 65% |
| September | 27°C / 80°F | 19°C / 66°F | 212 mm | 85% | 69% |
| October | 22°C / 71°F | 13°C / 55°F | 128 mm | 83% | 58% |
| November | 17°C / 62°F | 8°C / 46°F | 86 mm | 81% | 59% |
| December | 10°C / 50°F | 2°C / 36°F | 78 mm | 80% | 69% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A compact umbrella or packable rain jacket
- Water-resistant shoes
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is September a good time to visit Fukuoka?
Compare the months in the chart above to find your ideal window.
Best time to visit Fukuoka →Other Japan cities in September
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Fukuoka weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/japan/fukuoka/september
<a href="https://weathercompare.eu/weather/japan/fukuoka/september">Fukuoka weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/japan/fukuoka" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Fukuoka weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/japan/fukuoka/september">Fukuoka weather in September</a> – WeatherCompare</p>
Fukuoka in September: quick answers
Is September a good time to visit Fukuoka?
September is one of the wetter months in Fukuoka, with about 212 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Fukuoka in September?
Average highs are about 27°C (80°F) and average lows about 19°C (66°F), based on 10 years of daily data.
Does it rain a lot in Fukuoka in September?
Fukuoka typically gets around 212 mm of rain in September — very wet.
Figures are long-term averages for the area around Fukuoka (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.