Ciudad Vieja in September averages 25°C (77°F) during the day and 16°C (61°F) at night. This is the wettest month of the year.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, November and December typically offer the best weather for Ciudad Vieja.
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Pick a month to see the average temperature, rainfall and sunshine in Ciudad Vieja - and find the best time to visit.
40-year average (1976-2025)
Based on our historical records, temperatures in Ciudad Vieja typically stay consistent throughout September, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows around 17°C (63°F).
Browse day-by-day weather records for Ciudad Vieja spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Ciudad Vieja spans 2002 to 2025, revealing these weather extremes.
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 but pleasant conditions in Ciudad Vieja in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Ciudad Vieja 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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