Ciudad Vieja Weather in September
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.
Rainfall in Ciudad Vieja in September
Ciudad Vieja is in the rainy season in September, with rain on around 25 days and an average of 331 mm (13 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Ciudad Vieja in September
If you're visiting Ciudad Vieja in September, expect highs of 25°C (77°F) and overnight lows around 16°C (61°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 16°C (61°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Ciudad Vieja in September
The month experiences a moderate amount of sunlight, with 160 hours of sunshine. This provides a nice balance between sunshine and rain.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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guatemala, check out our Ciudad Vieja's climate page.
Ciudad Vieja Temperature in September
Min Temperature
16°C (61°F)
Max Temperature
25°C (77°F)
Chance of Rain
85%
Precipitation
331 mm (13 in)
Rainy days
25 days
Humidity
84% *
Sunshine
160 hours *
Percentage Sunshine
*
Daily Historical Temperatures
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).
Average temperatures in September
Historical weather for Ciudad Vieja in September
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.
Ciudad Vieja historical weather extremes in September
Our historical data for Ciudad Vieja spans 2002 to 2025, revealing these weather extremes.
- On September 24, 2006, temperatures climbed to 33°C (91°F), marking the warmest September day on record.
- The coldest September day was on September 3, 2010, with a maximum of 19°C (66°F).
- Nighttime temperatures dropped to 15°C (59°F) on September 5, 2018, marking the coldest September night on record.
Best Places in Guatemala in September
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
pleasant
tolerable
unpleasant
poor
What to Wear in Ciudad Vieja in September
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.What To Do in Ciudad Vieja in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guatemala, check out our Ciudad Vieja's climate page.
Temperature Rainfall Sunshine Humidity
See the full Ciudad Vieja climate overview or explore weather in Guatemala.
