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