September in Antigua Guatemala brings high temperatures, with daytime highs of 25°C (77°F) and nights around 16°C (61°F). It's also the wettest month of the year, so an umbrella is a must.
September in Antigua Guatemala has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Min Temperature
Max Temperature
Chance of Rain
Precipitation
Rainy days
Humidity
Sunshine
Percentage Sunshine
Pick a month to see the average temperature, rainfall and sunshine in Antigua Guatemala - and find the best time to visit.
40-year average (1976-2025)
Based on our historical records, temperatures in Antigua Guatemala 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 Antigua Guatemala spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 24 years of weather observations in Antigua Guatemala between 2002 and 2026, these are the recorded 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 weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Antigua Guatemala 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.
Lake Atitlan: the most beautiful lake in the world
At Lake Atitlan you will be enchanted by beautiful volcanoes, amazing sunsets and the serene tranquility. Mix this with the vibrant Mayan community and you'll understand why Atitlan has something magical.
The top 5 unexplored rainforests in Central America
Dive into Central America's top 5 hidden rainforests for an unparalleled journey through vibrant wildlife and diverse landscapes.
The 5 most beautiful lakes in Canada
Explore Canada's stunning lakes: Lake Louise, Lake Superior, Maligne Lake, Emerald Lake, and Lake Okanagan, each offering unique beauty and activities.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
