See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
29°
Mostly Clear
Feels Like: 34°
Min: 26°
Max: 30°
The next few hours will be mostly clear, with today reaching 30°C and dropping to 25°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:45
Sunrise
18:46
Sunset
Moon
Waxing Gibbous
14:57
Moonrise
01:13
Moonset
Daily Forecast
Today
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Air Quality Data Available
Upgrade to access real-time air quality data for Chetumal.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Chetumal.
View stargazing scoreWeather in Chetumal today, September 20, 2026
Expect unsettled, showery conditions in Chetumal on September 20, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans.
Temperatures climb from an overnight low near 26°C toward a daytime high of about 30°C. Relative humidity sits between 69% and 83%, reaching its peak around 23:00. A lighter breeze peaks around 19:00 near 4.0 km/h.
The second half of the day still looks unsettled, with rain probability around 78% by 23:00. Dense cloud near 35% at 14:00 keeps the feel grey. Views remain open at about 16.1 km. Sunrise is at 06:45 and sunset at 18:46, giving 12 hours 0 minutes of sunlight today.
Overall, Chetumal on September 20, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 78% and the high sits around 30°C.
Frequently asked questions about weather in Chetumal
How warm does it get in Chetumal?
The warmest month in Chetumal is May, with average high temperatures of 32°C. The average temperature during this period is around 29°C.
How cold does it get in Chetumal?
The coldest month in Chetumal is January, with average low temperatures of 22°C. The average temperature during this period is around 25°C.
What is the wettest time of year in Chetumal?
The wettest month in Chetumal is June, with an average of 247mm of precipitation.
What is the driest time of year in Chetumal?
The driest month in Chetumal is March, with an average of 28mm of precipitation.
Explore more weather forecasts
- Bacalar, Estado de Quintana Roo
- Mexico City, Ciudad de México
- Felipe Carrillo Puerto, Estado de Quintana Roo
- Tijuana, Estado de Baja California
- José María Morelos, Estado de Quintana Roo
- Iztapalapa, Ciudad de México
- Tulum, Estado de Quintana Roo
- León de los Aldama, Estado de Guanajuato
- Cozumel, Estado de Quintana Roo
- Puebla, Estado de Puebla
- Playa del Carmen, Estado de Quintana Roo
- Ecatepec de Morelos, Estado de México
- Alfredo V. Bonfil, Estado de Quintana Roo
- Santiago de Querétaro, Estado de Querétaro
- Cancún, Estado de Quintana Roo
- Ciudad Juárez, Estado de Chihuahua
