Click on a day for an hourly weather forecast
The weather in Nagoya in September is hot. The average temperatures are between 22°C and 26°C.
You can expect rain for roughly half of the month of September in Nagoya. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Nagoya in September 2025.
If you’re planning to visit Nagoya in the near future, we highly recommend that you review the 14 day weather forecast for Nagoya before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 5° | 7 | 20 | 4 | 55 mm | Awful | Nagoya in January |
| February | 10° / 6° | 7 | 19 | 3 | 75 mm | Awful | Nagoya in February |
| March | 13° / 9° | 6 | 25 | 0 | 79 mm | Ok | Nagoya in March |
| April | 17° / 12° | 6 | 24 | 0 | 83 mm | Good | Nagoya in April |
| May | 21° / 16° | 6 | 25 | 0 | 96 mm | Good | Nagoya in May |
| June | 24° / 20° | 9 | 21 | 0 | 200 mm | Good | Nagoya in June |
| July | 28° / 23° | 11 | 20 | 0 | 252 mm | Good | Nagoya in July |
| August | 30° / 25° | 9 | 22 | 0 | 188 mm | Ok | Nagoya in August |
| September | 26° / 22° | 8 | 22 | 0 | 128 mm | Good | Nagoya in September |
| October | 22° / 18° | 4 | 27 | 0 | 72 mm | Good | Nagoya in October |
| November | 17° / 13° | 5 | 25 | 0 | 76 mm | Good | Nagoya in November |
| December | 11° / 7° | 6 | 23 | 2 | 69 mm | Bad | Nagoya in December |