Click on a day for an hourly weather forecast
The weather in Paso Robles in September is hot. The average temperatures are between 16°C and 31°C. Usually the days in September are hot while the nights are a bit cooler.
There shouldn't be any rainy days in in Paso Robles 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 Paso Robles in September 2025.
If you’re planning to visit Paso Robles in the near future, we highly recommend that you review the 14 day weather forecast for Paso Robles before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 16° / 5° | 4 | 27 | 0 | 87 mm | Good | Paso Robles in January |
| February | 17° / 5° | 4 | 24 | 0 | 55 mm | Good | Paso Robles in February |
| March | 18° / 6° | 5 | 26 | 0 | 70 mm | Good | Paso Robles in March |
| April | 22° / 8° | 2 | 28 | 0 | 19 mm | Good | Paso Robles in April |
| May | 25° / 11° | 1 | 30 | 0 | 6 mm | Perfect | Paso Robles in May |
| June | 29° / 14° | 0 | 30 | 0 | 2 mm | Good | Paso Robles in June |
| July | 31° / 16° | 0 | 31 | 0 | 1 mm | Good | Paso Robles in July |
| August | 32° / 16° | 0 | 31 | 0 | 0 mm | Good | Paso Robles in August |
| September | 31° / 16° | 0 | 30 | 0 | 3 mm | Good | Paso Robles in September |
| October | 26° / 12° | 1 | 30 | 0 | 15 mm | Perfect | Paso Robles in October |
| November | 20° / 7° | 3 | 27 | 0 | 29 mm | Good | Paso Robles in November |
| December | 15° / 5° | 5 | 26 | 0 | 71 mm | Good | Paso Robles in December |