Cancún in September: weather, sea & travel advice
Cancún in September is especially suited to beach holidays, family holidays and city breaks. Days are around 30 °C (warm), and the sea is about 29 °C. With about 10 rainy days it is moderate.
Cancún · SeptemberPhoto: Luka Peternel · CC BY-SA 4.0Climate facts
- Day
- 30 °C
- Night
- 26 °C
- Sea
- 29 °C
- Rainy days
- 10 rainy days
- Sun
- 7 h/day
- Humidity
- 82 %
Suitability by travel type
BeachGood78/100
City breakGood70/100
ActiveLimited52/100
FamilyGood71/100
In favour
- Pleasant daytime temperatures around 30 °C
- Warm, swimmable sea (29 °C)
To consider
- High humidity (82 %)
All months at a glance
26J
27F
28M
29A
30M
30J
30J
30A
30S
29O
27N
27D
6J
5F
4M
4A
7M
10J
9J
9A
10S
11O
8N
7D
Similar destinations in September
Frequently asked questions
How warm is Cancún in September?
Daytime highs average around 30 °C, with nights around 26 °C.
Can you swim in Cancún in September?
The sea is about 29 °C (very warm).
Does it rain a lot in Cancún in September?
On the long-term average, expect about 10 rainy days.
When is the best time to visit Cancún?
The most favourable months are usually the ones highlighted on the overview page. Values are historical averages, not a forecast.