Click on a day for an hourly weather forecast
The weather in Tulum in September is very hot. The average temperatures are between 26°C and 31°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in Tulum. 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 Tulum in September 2025.
If you’re planning to visit Tulum in the near future, we highly recommend that you review the 14 day weather forecast for Tulum before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 27° / 21° | 5 | 26 | 0 | 108 mm | Perfect | Tulum in January |
| February | 28° / 22° | 3 | 26 | 0 | 59 mm | Perfect | Tulum in February |
| March | 28° / 22° | 3 | 29 | 0 | 48 mm | Perfect | Tulum in March |
| April | 30° / 24° | 4 | 26 | 0 | 67 mm | Good | Tulum in April |
| May | 30° / 25° | 6 | 25 | 0 | 144 mm | Good | Tulum in May |
| June | 30° / 26° | 10 | 20 | 0 | 292 mm | Ok | Tulum in June |
| July | 31° / 26° | 8 | 23 | 0 | 122 mm | Ok | Tulum in July |
| August | 32° / 26° | 10 | 21 | 0 | 196 mm | Ok | Tulum in August |
| September | 31° / 26° | 12 | 18 | 0 | 234 mm | Ok | Tulum in September |
| October | 30° / 24° | 13 | 18 | 0 | 267 mm | Ok | Tulum in October |
| November | 28° / 23° | 7 | 23 | 0 | 152 mm | Good | Tulum in November |
| December | 27° / 22° | 4 | 27 | 0 | 96 mm | Perfect | Tulum in December |