Measurements:
°C
°F
Chetumal
88°F
W 11 mph
Feels like: 100°F
Precip: 60%
World Resorts Mexico Chetumal Weather

7 Day Weather Forecast

09.12
sat
DAY
92°F
NW 9 mph
precip
26%
NIGHT
88°F
W 14 mph
precip
9%
09.13
sun
DAY
92°F
NW 14 mph
precip
16%
NIGHT
88°F
W 14 mph
precip
7%
09.14
mon
DAY
94°F
NW 8 mph
precip
13%
NIGHT
86°F
W 9 mph
precip
22%
09.15
tue
DAY
92°F
NW 3 mph
precip
4%
NIGHT
88°F
W 11 mph
precip
7%
09.16
wed
DAY
94°F
NW 4 mph
precip
17%
NIGHT
86°F
W 9 mph
precip
8%
09.17
thu
DAY
88°F
W 6 mph
precip
12%
NIGHT
86°F
NW 8 mph
precip
10%
09.18
fri
DAY
88°F
NW 9 mph
precip
6%
NIGHT
86°F
NW 7 mph
precip
25%

Chetumal Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Chetumal was 30.4°F. The maximum and minimum values were 29.6°F and 31.3°F respectively.

Chetumal on the Weather Map

Best Time to Visit Chetumal
The most sunny months:
April 11 days
March 10 days
July 9 days
The most warm months:
July 92.9 °F
August 92.8 °F
May 92.5 °F
Warmest sea temperature:
August 90.2 °F
September 90.2 °F
July 89.4 °F
The most cold months:
January 83.5 °F
December 85.1 °F
February 85.8 °F
The most rainy months:
October 8 days
June 8 days
September 8 days
The most windy months:
May 9 mph
June 9 mph
April 9 mph