Click on a day for an hourly weather forecast
The weather in Gibraltar in September is hot. The average temperatures are between 21°C and 25°C.
You can expect a few rainy days in Gibraltar during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Gibraltar in September 2025.
If you’re planning to visit Gibraltar in the near future, we highly recommend that you review the 14 day weather forecast for Gibraltar before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 15° / 12° | 5 | 26 | 0 | 104 mm | Good | Gibraltar in January |
| February | 15° / 12° | 5 | 24 | 0 | 93 mm | Good | Gibraltar in February |
| March | 16° / 13° | 5 | 26 | 0 | 95 mm | Good | Gibraltar in March |
| April | 18° / 14° | 4 | 26 | 0 | 73 mm | Good | Gibraltar in April |
| May | 20° / 16° | 2 | 29 | 0 | 33 mm | Good | Gibraltar in May |
| June | 23° / 19° | 0 | 30 | 0 | 10 mm | Perfect | Gibraltar in June |
| July | 26° / 21° | 0 | 31 | 0 | 5 mm | Perfect | Gibraltar in July |
| August | 27° / 22° | 0 | 31 | 0 | 11 mm | Perfect | Gibraltar in August |
| September | 25° / 21° | 1 | 29 | 0 | 32 mm | Perfect | Gibraltar in September |
| October | 22° / 18° | 3 | 28 | 0 | 83 mm | Good | Gibraltar in October |
| November | 19° / 15° | 4 | 26 | 0 | 124 mm | Good | Gibraltar in November |
| December | 17° / 13° | 4 | 27 | 0 | 96 mm | Good | Gibraltar in December |