Click on a day for an hourly weather forecast
The temperatures in Worthing in September are usually low and can range between 12°C and 19°C.
You can expect about 3 to 8 days of rain in Worthing 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 Worthing in September 2025.
If you’re planning to visit Worthing in the near future, we highly recommend that you review the 14 day weather forecast for Worthing before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 7 | 20 | 4 | 47 mm | Awful | Worthing in January |
| February | 7° / 2° | 8 | 15 | 5 | 49 mm | Bad | Worthing in February |
| March | 10° / 4° | 5 | 24 | 2 | 51 mm | Bad | Worthing in March |
| April | 13° / 5° | 4 | 26 | 0 | 40 mm | Ok | Worthing in April |
| May | 16° / 8° | 5 | 26 | 0 | 63 mm | Good | Worthing in May |
| June | 18° / 11° | 6 | 24 | 0 | 89 mm | Good | Worthing in June |
| July | 21° / 13° | 6 | 25 | 0 | 89 mm | Good | Worthing in July |
| August | 21° / 14° | 5 | 26 | 0 | 68 mm | Good | Worthing in August |
| September | 19° / 12° | 4 | 26 | 0 | 44 mm | Good | Worthing in September |
| October | 14° / 9° | 5 | 26 | 0 | 58 mm | Good | Worthing in October |
| November | 10° / 6° | 6 | 23 | 1 | 45 mm | Ok | Worthing in November |
| December | 7° / 3° | 6 | 22 | 2 | 62 mm | Bad | Worthing in December |