Click on a day for an hourly weather forecast
The temperatures in Croydon in September are comfortable with low of 17°C and and high up to 26°C.
You can expect about 3 to 8 days of rain in Croydon 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 Croydon in September 2025.
If you’re planning to visit Croydon in the near future, we highly recommend that you review the 14 day weather forecast for Croydon before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -3° | 6 | 17 | 8 | 93 mm | Awful | Croydon in January |
| February | 5° / -2° | 7 | 14 | 7 | 129 mm | Awful | Croydon in February |
| March | 10° / 2° | 7 | 19 | 5 | 130 mm | Awful | Croydon in March |
| April | 16° / 7° | 6 | 23 | 1 | 105 mm | Good | Croydon in April |
| May | 22° / 13° | 8 | 23 | 0 | 126 mm | Ok | Croydon in May |
| June | 27° / 17° | 6 | 24 | 0 | 122 mm | Perfect | Croydon in June |
| July | 31° / 21° | 7 | 24 | 0 | 142 mm | Ok | Croydon in July |
| August | 29° / 20° | 6 | 25 | 0 | 154 mm | Good | Croydon in August |
| September | 26° / 17° | 5 | 25 | 0 | 105 mm | Perfect | Croydon in September |
| October | 19° / 11° | 6 | 25 | 0 | 137 mm | Good | Croydon in October |
| November | 12° / 5° | 5 | 24 | 1 | 89 mm | Ok | Croydon in November |
| December | 7° / 1° | 6 | 21 | 4 | 145 mm | Bad | Croydon in December |