Nagoya weather in September
September in Nagoya: hot, soaked, with very humid — a good time to visit.
#10 of 12 months in Nagoya · #494 of 604 destinations to visit in September · comfort 63/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Nagoya climate normals — September
| Daytime high | 28°C / 82°F | 🥵 hot |
|---|---|---|
| Nighttime low | 21°C / 70°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 155 mm / 6.1 in | ⛈ soaked |
| Rainy days | 14 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 22°C / 71°F | |
| Sunshine | 8.8 h/day | |
| Daylight | 12.4 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 62 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Nagoya in September — FAQ
- Is September a good time to visit Nagoya?
- September in Nagoya: hot, soaked, with very humid — a good time to visit. It ranks #10 of 12 months for Nagoya on SeasonMap's comfort score (63/100).
- What is the weather like in Nagoya in September?
- In September, Nagoya averages a daily high of 27.9°C and a low of 21.1°C, with about 154.8 mm of rain over roughly 14.4 rainy days.
- What is the air quality in Nagoya in September?
- Nagoya has a mean US Air Quality Index of about 62 in September.