Click on a day for an hourly weather forecast
The weather in Ar Riyad in September is very hot. The average temperatures are between 26°C and 40°C, drinking water regularly is advisable.
There shouldn't be any rainy days in in Ar Riyad during September. Having said that, the days are very hot in September so hanging out outside is more recomanded during the after noons and evening time.
Our weather forecast can give you a great sense of what weather to expect in Ar Riyad in September 2025.
If you’re planning to visit Ar Riyad in the near future, we highly recommend that you review the 14 day weather forecast for Ar Riyad before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 21° / 10° | 0 | 31 | 0 | 9 mm | Good | Ar Riyad in January |
| February | 24° / 12° | 0 | 28 | 0 | 9 mm | Perfect | Ar Riyad in February |
| March | 28° / 16° | 1 | 31 | 0 | 12 mm | Perfect | Ar Riyad in March |
| April | 33° / 22° | 2 | 28 | 0 | 28 mm | Good | Ar Riyad in April |
| May | 38° / 27° | 0 | 31 | 0 | 12 mm | Bad | Ar Riyad in May |
| June | 42° / 29° | 0 | 30 | 0 | 0 mm | Awful | Ar Riyad in June |
| July | 43° / 30° | 0 | 31 | 0 | 1 mm | Awful | Ar Riyad in July |
| August | 43° / 29° | 0 | 31 | 0 | 0 mm | Awful | Ar Riyad in August |
| September | 40° / 26° | 0 | 30 | 0 | 0 mm | Bad | Ar Riyad in September |
| October | 34° / 21° | 0 | 31 | 0 | 0 mm | Ok | Ar Riyad in October |
| November | 27° / 15° | 1 | 29 | 0 | 18 mm | Perfect | Ar Riyad in November |
| December | 21° / 12° | 0 | 31 | 0 | 7 mm | Good | Ar Riyad in December |