Click on a day for an hourly weather forecast
The temperatures in Guangzhou during September are extremely high, between 27°C and hot as 33°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in Guangzhou. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Guangzhou in September 2025.
If you’re planning to visit Guangzhou in the near future, we highly recommend that you review the 14 day weather forecast for Guangzhou before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 20° / 14° | 4 | 27 | 0 | 57 mm | Good | Guangzhou in January |
| February | 22° / 16° | 5 | 23 | 0 | 64 mm | Good | Guangzhou in February |
| March | 25° / 19° | 7 | 25 | 0 | 101 mm | Good | Guangzhou in March |
| April | 28° / 22° | 10 | 20 | 0 | 203 mm | Good | Guangzhou in April |
| May | 31° / 25° | 16 | 15 | 0 | 432 mm | Ok | Guangzhou in May |
| June | 33° / 27° | 17 | 13 | 0 | 400 mm | Ok | Guangzhou in June |
| July | 34° / 28° | 15 | 16 | 0 | 284 mm | Bad | Guangzhou in July |
| August | 34° / 28° | 15 | 16 | 0 | 356 mm | Bad | Guangzhou in August |
| September | 33° / 27° | 13 | 17 | 0 | 305 mm | Ok | Guangzhou in September |
| October | 30° / 23° | 4 | 27 | 0 | 102 mm | Good | Guangzhou in October |
| November | 26° / 19° | 4 | 26 | 0 | 63 mm | Perfect | Guangzhou in November |
| December | 21° / 14° | 4 | 27 | 0 | 45 mm | Good | Guangzhou in December |