September in Puerto Barrios averages 31°C (88°F) during the day and 24°C (75°F) at night. September is part of the rainy season, with around 321 mm (13 in) of rainfall and frequent showers.
If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Puerto Barrios. Our weather planner can help you explore destinations with more pleasant weather conditions.
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Pick a month to see the average temperature, rainfall and sunshine in Puerto Barrios - and find the best time to visit.
47-year average (1977-2025)
Based on our historical records, temperatures in Puerto Barrios typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
47-year average (1977-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Puerto Barrios spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 31 years of weather records for Puerto Barrios, the following extremes were recorded between 1994 and 2025.
Find out more about the weather in Guatemala and which places have the best travel conditions in this month. See all of Guatemala in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Puerto Barrios climate overview or explore weather in Guatemala.
Where to go in September - average daytime high across popular destinations.
Flores
34°C (93°F) Rio Dulce Town32°C (90°F) Lívingston32°C (90°F) Cobán27°C (81°F) Guatemala City27°C (81°F) Antigua Guatemala25°C (77°F) Quetzaltenango22°C (72°F) Panajachel23°C (73°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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