Click on a day for an hourly weather forecast
The weather in Pulau Pinang in September is very hot. The average temperatures are between 26°C and 30°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in Pulau Pinang. 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 Pulau Pinang in September 2025.
If you’re planning to visit Pulau Pinang in the near future, we highly recommend that you review the 14 day weather forecast for Pulau Pinang before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 30° / 25° | 9 | 22 | 0 | 169 mm | Ok | Pulau Pinang in January |
| February | 31° / 25° | 6 | 22 | 0 | 118 mm | Good | Pulau Pinang in February |
| March | 31° / 26° | 9 | 23 | 0 | 188 mm | Ok | Pulau Pinang in March |
| April | 31° / 27° | 11 | 19 | 0 | 260 mm | Ok | Pulau Pinang in April |
| May | 31° / 27° | 12 | 19 | 0 | 265 mm | Ok | Pulau Pinang in May |
| June | 31° / 26° | 7 | 23 | 0 | 167 mm | Ok | Pulau Pinang in June |
| July | 31° / 26° | 9 | 22 | 0 | 200 mm | Ok | Pulau Pinang in July |
| August | 31° / 26° | 12 | 19 | 0 | 271 mm | Ok | Pulau Pinang in August |
| September | 30° / 26° | 12 | 18 | 0 | 273 mm | Ok | Pulau Pinang in September |
| October | 30° / 26° | 14 | 17 | 0 | 286 mm | Ok | Pulau Pinang in October |
| November | 30° / 26° | 16 | 14 | 0 | 318 mm | Ok | Pulau Pinang in November |
| December | 30° / 25° | 12 | 19 | 0 | 216 mm | Ok | Pulau Pinang in December |