Click on a day for an hourly weather forecast
The weather in Toyama in September is hot. The average temperatures are between 22°C and 27°C.
You can expect rain for roughly half of the month of September in Toyama. 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 Toyama in September 2025.
If you’re planning to visit Toyama in the near future, we highly recommend that you review the 14 day weather forecast for Toyama before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 10° / 4° | 4 | 25 | 2 | 79 mm | Bad | Toyama in January |
| February | 10° / 5° | 5 | 20 | 3 | 105 mm | Bad | Toyama in February |
| March | 14° / 8° | 7 | 23 | 0 | 136 mm | Ok | Toyama in March |
| April | 18° / 12° | 7 | 23 | 0 | 146 mm | Ok | Toyama in April |
| May | 22° / 17° | 7 | 24 | 0 | 137 mm | Ok | Toyama in May |
| June | 25° / 20° | 8 | 22 | 0 | 191 mm | Good | Toyama in June |
| July | 29° / 24° | 7 | 24 | 0 | 153 mm | Ok | Toyama in July |
| August | 31° / 26° | 5 | 26 | 0 | 140 mm | Good | Toyama in August |
| September | 27° / 22° | 8 | 22 | 0 | 214 mm | Good | Toyama in September |
| October | 22° / 17° | 7 | 24 | 0 | 227 mm | Ok | Toyama in October |
| November | 17° / 12° | 5 | 25 | 0 | 107 mm | Good | Toyama in November |
| December | 12° / 7° | 5 | 26 | 0 | 78 mm | Ok | Toyama in December |