Click on a day for an hourly weather forecast
The temperatures in Guangdong 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 Guangdong. 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 Guangdong in September 2025.
If you’re planning to visit Guangdong in the near future, we highly recommend that you review the 14 day weather forecast for Guangdong before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 20° / 14° | 4 | 27 | 0 | 57 mm | Good | Guangdong in January |
| February | 22° / 16° | 5 | 23 | 0 | 64 mm | Good | Guangdong in February |
| March | 25° / 19° | 7 | 25 | 0 | 101 mm | Good | Guangdong in March |
| April | 28° / 22° | 10 | 20 | 0 | 203 mm | Good | Guangdong in April |
| May | 31° / 25° | 16 | 15 | 0 | 432 mm | Ok | Guangdong in May |
| June | 33° / 27° | 17 | 13 | 0 | 400 mm | Ok | Guangdong in June |
| July | 34° / 28° | 15 | 16 | 0 | 284 mm | Bad | Guangdong in July |
| August | 34° / 28° | 15 | 16 | 0 | 356 mm | Bad | Guangdong in August |
| September | 33° / 27° | 13 | 17 | 0 | 305 mm | Ok | Guangdong in September |
| October | 30° / 23° | 4 | 27 | 0 | 102 mm | Good | Guangdong in October |
| November | 26° / 19° | 4 | 26 | 0 | 63 mm | Perfect | Guangdong in November |
| December | 21° / 14° | 4 | 27 | 0 | 45 mm | Good | Guangdong in December |