Chimaltenango Weather in September
During September, Chimaltenango experiences high daytime temperatures of 25°C (77°F) and cooler nights around 15°C (59°F). September sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Chimaltenango in September
As part of the rainy season, Chimaltenango sees around 25 days of rain in September, with an average of 292 mm (11 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Chimaltenango in September
Expect highs of 25°C (77°F) in Chimaltenango in September, with nights dropping to around 15°C (59°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Chimaltenango in September
The area enjoys a balanced 160 hours of sunlight, ensuring it's neither too rainy nor too sunny.September in Chimaltenango has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Chimaltenango's climate page.
Chimaltenango Temperature in September
Min Temperature
15°C (59°F)
Max Temperature
25°C (77°F)
Chance of Rain
84%
Precipitation
292 mm (11 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 Chimaltenango 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 Chimaltenango in September
Browse day-by-day weather records for Chimaltenango spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Chimaltenango historical weather extremes in September
The extremes listed below come from historical weather data collected in Chimaltenango from 2002 through 2025.
- The hottest September day on record in Chimaltenango reached 30°C (86°F) (September 1, 2024).
- Chimaltenango experienced its chilliest September day on September 3, 2010, reaching only 18°C (64°F).
- Nighttime temperatures dropped to 10°C (50°F) on September 5, 2014, 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
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What to Wear in Chimaltenango in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Chimaltenango 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 Chimaltenango's climate page.
Temperature Rainfall Sunshine Humidity
See the full Chimaltenango climate overview or explore weather in Guatemala.
