Click on a day for an hourly weather forecast
The weather in Bandon in September is very hot. The average temperatures are between 23°C and 31°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in Bandon. 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 Bandon in September 2025.
If you’re planning to visit Bandon in the near future, we highly recommend that you review the 14 day weather forecast for Bandon before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 24° | 29 | 2 | 0 | 487 mm | Awful | Bandon in January |
| February | 29° / 23° | 27 | 2 | 0 | 493 mm | Awful | Bandon in February |
| March | 30° / 24° | 27 | 4 | 0 | 448 mm | Awful | Bandon in March |
| April | 30° / 25° | 26 | 4 | 0 | 407 mm | Ok | Bandon in April |
| May | 31° / 25° | 18 | 13 | 0 | 216 mm | Ok | Bandon in May |
| June | 30° / 24° | 15 | 15 | 0 | 172 mm | Ok | Bandon in June |
| July | 30° / 23° | 9 | 22 | 0 | 95 mm | Ok | Bandon in July |
| August | 31° / 23° | 6 | 25 | 0 | 56 mm | Good | Bandon in August |
| September | 31° / 23° | 10 | 20 | 0 | 119 mm | Ok | Bandon in September |
| October | 31° / 24° | 19 | 12 | 0 | 232 mm | Ok | Bandon in October |
| November | 31° / 24° | 26 | 4 | 0 | 420 mm | Ok | Bandon in November |
| December | 30° / 24° | 28 | 3 | 0 | 487 mm | Awful | Bandon in December |