Nagoya September weather
Nagoya, Japan · September
A transition month with swings
September can still feel hot during the day, while evenings start to hint at autumn. The feel often swings within the same month.
If typhoon influence passes nearby, rain and wind can arrive strongly and disrupt transfers. After rain, humidity can rebound and bring back a summer-like feel.
September averages at a glance
Average low
around 21–23°C
Average high
around 28–31°C
Average rainfall
around 150–240 mm
Rainy days
about 8–11 days
What to wear in September in Nagoya
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Short sleeves by day with a thin layer in the evening is common.
- • A folding umbrella and water-safe pouch help on heavy-rain days.
- • Indoor AC plus cooler evenings can make thin layers feel useful.
Travel tips for visiting Nagoya in September
- • If typhoon forecasts appear, reduce outdoor dependence and keep indoor options ready.
- • Morning/evening can be pleasant—shifting outdoor routes to those hours often works well.
- • Leave slack in the plan; humidity can rebound after rain.
September weather in Nagoya — FAQ
Q. Is September summer or autumn?
A. It’s a mix. Early September can feel like summer; later days often feel more autumn-like in the evenings.
Q. Will typhoons ruin my trip?
A. Not every time, but when tracks are close you can get strong rain and wind. Indoor backups help keep the trip stable.
Q. Will evenings feel cool?
A. They can. A thin layer usually covers it well, especially if you walk after sunset.
Explore Nagoya
These pages are connected so you can compare conditions and decide for yourself.