Weather in Cancún in september
Climate normals based on 10 years of historical data for Cancún, Mexico.
Average high
31°C
Average low
26°C
Rainfall
232 mm
23 rainy days
Sunshine
1.0h/day
Luftfuktighet
78%
Sea temperature
29.7°C
How Hot Is Cancún in september?
Expect daytime highs around 31°C and overnight lows near 26°C in Cancún during September — an average of 28°C across the day.
Sunshine Hours in september
Persistent cloud limits Cancún to about 1.0h of sun a day in September.
Does It Rain In Cancún In september?
Cancún's wettest month — 232mm of rain in 23 days, with sustained heavy showers.
Is Cancún Humid In september?
Oppressive humidity dominates Cancún in September — averaging 78%, with the air feeling thick and heavy.
How Warm Is The Sea In Cancún In september?
Sea temperatures climb to 29.7°C off Cancún in September — bath-warm and tropical.
Wind In Cancún In september
Wind stays light: 15 kph on a typical day in Cancún.
Cloud Cover In Cancún In september
Persistent overcast defines Cancún's September: 78% cloud cover on average.
Cities With Similar Weather In september
Weather in Cancún, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vær i januar | 26°C / 22°C | 76mm | Details → |
| Vær i februar | 27°C / 22°C | 47mm | Details → |
| Vær i mars | 28°C / 23°C | 39mm | Details → |
| Vær i april | 29°C / 24°C | 43mm | Details → |
| Vær i mai | 30°C / 25°C | 100mm | Details → |
| Vær i juni | 30°C / 26°C | 220mm | Details → |
| Vær i juli | 31°C / 26°C | 96mm | Details → |
| Vær i august | 31°C / 27°C | 168mm | Details → |
| Vær i september | 31°C / 26°C | 232mm | |
| Vær i oktober | 30°C / 25°C | 208mm | Details → |
| Vær i november | 28°C / 24°C | 128mm | Details → |
| Vær i desember | 27°C / 23°C | 89mm | Details → |