Monthly climate guide
Nagoya weather in September
With highs near 27°C (81°F) and lows around 21°C (69°F), September feels hot in Nagoya. Rainfall averages about 244 mm (very wet) and the sky is often cloudy. Daytime highs are 3°C cooler than August and 5°C warmer than October.
What stands out in September
- It's humid — around 81% — so the heat feels heavier.
- In Nagoya, September is early autumn.
- Nagoya is usually about 2°C warmer than Kyoto, 110 km away, in September.
- September is Nagoya's third warmest month.
Avg high
27°C
81°F
Avg low
21°C
69°F
Rainfall
244 mm
very wet
Humidity
81%
relative
Sky
71%
cloud · often cloudy
Nagoya weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 8°C / 47°F | 1°C / 34°F | 66 mm | 80% | 74% |
| February | 9°C / 49°F | 1°C / 34°F | 76 mm | 78% | 72% |
| March | 13°C / 56°F | 4°C / 39°F | 111 mm | 76% | 66% |
| April | 18°C / 64°F | 9°C / 47°F | 163 mm | 76% | 66% |
| May | 23°C / 73°F | 14°C / 57°F | 148 mm | 77% | 64% |
| June | 26°C / 78°F | 19°C / 65°F | 206 mm | 81% | 79% |
| July | 29°C / 85°F | 23°C / 73°F | 244 mm | 84% | 78% |
| August | 31°C / 88°F | 24°C / 76°F | 163 mm | 82% | 67% |
| September | 27°C / 81°F | 21°C / 69°F | 244 mm | 81% | 71% |
| October | 22°C / 72°F | 15°C / 58°F | 204 mm | 80% | 64% |
| November | 17°C / 62°F | 9°C / 48°F | 83 mm | 79% | 63% |
| December | 11°C / 51°F | 3°C / 38°F | 80 mm | 80% | 73% |
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 Nagoya?
Compare the months in the chart above to find your ideal window.
Best time to visit Nagoya →Other Japan cities in September
Cite or embed this data
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Nagoya weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/japan/nagoya/september
<a href="https://weathercompare.eu/weather/japan/nagoya/september">Nagoya weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/japan/nagoya" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Nagoya weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/japan/nagoya/september">Nagoya weather in September</a> – WeatherCompare</p>
Nagoya in September: quick answers
Is September a good time to visit Nagoya?
September is one of the wetter months in Nagoya, with about 244 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Nagoya in September?
Average highs are about 27°C (81°F) and average lows about 21°C (69°F), based on 10 years of daily data.
Does it rain a lot in Nagoya in September?
Nagoya typically gets around 244 mm of rain in September — very wet.
Figures are long-term averages for the area around Nagoya (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.