Click on a day for an hourly weather forecast
The temperatures in Whitstable in September are usually low and can range between 14°C and 18°C.
You can expect about 3 to 8 days of rain in Whitstable during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Whitstable in September 2025.
If you’re planning to visit Whitstable in the near future, we highly recommend that you review the 14 day weather forecast for Whitstable before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 4° | 8 | 23 | 0 | 65 mm | Bad | Whitstable in January |
| February | 8° / 4° | 7 | 21 | 0 | 53 mm | Bad | Whitstable in February |
| March | 9° / 5° | 6 | 24 | 0 | 49 mm | Ok | Whitstable in March |
| April | 12° / 7° | 6 | 24 | 0 | 42 mm | Ok | Whitstable in April |
| May | 15° / 9° | 7 | 24 | 0 | 59 mm | Ok | Whitstable in May |
| June | 18° / 13° | 7 | 23 | 0 | 62 mm | Ok | Whitstable in June |
| July | 20° / 15° | 7 | 24 | 0 | 58 mm | Ok | Whitstable in July |
| August | 20° / 16° | 8 | 24 | 0 | 75 mm | Ok | Whitstable in August |
| September | 18° / 14° | 7 | 24 | 0 | 53 mm | Ok | Whitstable in September |
| October | 15° / 11° | 9 | 22 | 0 | 81 mm | Ok | Whitstable in October |
| November | 11° / 8° | 9 | 21 | 0 | 79 mm | Bad | Whitstable in November |
| December | 9° / 5° | 9 | 22 | 0 | 81 mm | Bad | Whitstable in December |