Click on a day for an hourly weather forecast
The weather in Cedar Park in September is hot. The average temperatures are between 22°C and 31°C.
You can expect about 3 to 8 days of rain in Cedar Park 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 Cedar Park in September 2025.
If you’re planning to visit Cedar Park in the near future, we highly recommend that you review the 14 day weather forecast for Cedar Park before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 15° / 6° | 4 | 27 | 1 | 68 mm | Good | Cedar Park in January |
| February | 16° / 7° | 4 | 23 | 1 | 60 mm | Good | Cedar Park in February |
| March | 21° / 11° | 5 | 26 | 0 | 82 mm | Good | Cedar Park in March |
| April | 25° / 15° | 5 | 25 | 0 | 95 mm | Perfect | Cedar Park in April |
| May | 29° / 19° | 8 | 23 | 0 | 179 mm | Ok | Cedar Park in May |
| June | 32° / 22° | 6 | 24 | 0 | 100 mm | Good | Cedar Park in June |
| July | 34° / 23° | 4 | 27 | 0 | 95 mm | Ok | Cedar Park in July |
| August | 35° / 24° | 4 | 27 | 0 | 95 mm | Ok | Cedar Park in August |
| September | 31° / 22° | 7 | 23 | 0 | 178 mm | Ok | Cedar Park in September |
| October | 26° / 16° | 5 | 26 | 0 | 136 mm | Perfect | Cedar Park in October |
| November | 20° / 11° | 4 | 26 | 0 | 73 mm | Good | Cedar Park in November |
| December | 16° / 8° | 4 | 26 | 0 | 80 mm | Good | Cedar Park in December |