Monthly climate guide
Miyazaki weather in September
Expect hot weather in Miyazaki in September: afternoons reach about 28°C (82°F), while nights drop to around 20°C (67°F). Around 436 mm of rain falls over the month (very wet), and skies are often cloudy. Daytime highs are 3°C cooler than August and 4°C warmer than October.
What stands out in September
- In Miyazaki, September is early autumn.
- September is Miyazaki's third warmest month.
- It's wetter than a typical month in Miyazaki — roughly 67% more rain than average.
- It's humid — around 86% — so the heat feels heavier.
Avg high
28°C
82°F
Avg low
20°C
67°F
Rainfall
436 mm
very wet
Humidity
86%
relative
Sky
71%
cloud · often cloudy
Miyazaki weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 11°C / 51°F | -1°C / 31°F | 74 mm | 82% | 60% |
| February | 12°C / 54°F | 1°C / 33°F | 125 mm | 80% | 66% |
| March | 16°C / 61°F | 4°C / 39°F | 153 mm | 79% | 63% |
| April | 20°C / 69°F | 9°C / 48°F | 194 mm | 78% | 65% |
| May | 24°C / 76°F | 14°C / 56°F | 241 mm | 80% | 72% |
| June | 26°C / 79°F | 18°C / 65°F | 645 mm | 87% | 84% |
| July | 30°C / 86°F | 22°C / 72°F | 568 mm | 86% | 66% |
| August | 31°C / 88°F | 23°C / 73°F | 290 mm | 85% | 57% |
| September | 28°C / 82°F | 20°C / 67°F | 436 mm | 86% | 71% |
| October | 23°C / 74°F | 14°C / 57°F | 199 mm | 84% | 60% |
| November | 18°C / 65°F | 8°C / 46°F | 119 mm | 84% | 61% |
| December | 12°C / 54°F | 1°C / 34°F | 93 mm | 83% | 62% |
What to pack for September
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- 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 Miyazaki?
Compare the months in the chart above to find your ideal window.
Best time to visit Miyazaki →Other Japan cities in September
Cite or embed this data
Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.
Miyazaki weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/japan/miyazaki/september
<a href="https://weathercompare.eu/weather/japan/miyazaki/september">Miyazaki weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/japan/miyazaki" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Miyazaki weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/japan/miyazaki/september">Miyazaki weather in September</a> – WeatherCompare</p>
Miyazaki in September: quick answers
Is September a good time to visit Miyazaki?
September is one of the wetter months in Miyazaki, with about 436 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Miyazaki in September?
Average highs are about 28°C (82°F) and average lows about 20°C (67°F), based on 10 years of daily data.
Does it rain a lot in Miyazaki in September?
Miyazaki typically gets around 436 mm of rain in September — very wet.
Figures are long-term averages for the area around Miyazaki (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.