Click on a day for an hourly weather forecast
The temperatures in Crawley in September are usually low and can range between 10°C and 18°C.
You can expect about 3 to 8 days of rain in Crawley 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 Crawley in September 2025.
If you’re planning to visit Crawley in the near future, we highly recommend that you review the 14 day weather forecast for Crawley before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 1° | 8 | 20 | 3 | 60 mm | Awful | Crawley in January |
| February | 7° / 2° | 8 | 16 | 5 | 60 mm | Awful | Crawley in February |
| March | 10° / 2° | 6 | 24 | 2 | 57 mm | Bad | Crawley in March |
| April | 13° / 4° | 5 | 25 | 0 | 53 mm | Ok | Crawley in April |
| May | 15° / 6° | 6 | 25 | 0 | 83 mm | Good | Crawley in May |
| June | 18° / 9° | 5 | 25 | 0 | 88 mm | Good | Crawley in June |
| July | 21° / 12° | 5 | 26 | 0 | 82 mm | Good | Crawley in July |
| August | 20° / 12° | 6 | 25 | 0 | 87 mm | Good | Crawley in August |
| September | 18° / 10° | 4 | 26 | 0 | 50 mm | Good | Crawley in September |
| October | 14° / 8° | 6 | 25 | 0 | 72 mm | Good | Crawley in October |
| November | 10° / 5° | 7 | 22 | 1 | 70 mm | Bad | Crawley in November |
| December | 7° / 3° | 7 | 22 | 2 | 73 mm | Awful | Crawley in December |