San Marcos La Laguna Weather in September
Thinking of visiting San Marcos La Laguna in September? Expect high temperatures reaching 23°C (73°F) during the day, dropping to 15°C (59°F) at night, and be prepared for the wettest month of the year.
Rainfall in San Marcos La Laguna in September
As part of the rainy season, San Marcos La Laguna sees around 25 days of rain in September, with an average of 424 mm (17 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in San Marcos La Laguna in September
Temperatures in San Marcos La Laguna in September top out at 23°C (73°F) and drop to 15°C (59°F) overnight. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in San Marcos La Laguna in September
The month experiences a moderate amount of sunlight, with 155 hours of sunshine. This provides a nice balance between sunshine and rain.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit San Marcos La Laguna. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 San Marcos La Laguna's climate page.
San Marcos La Laguna Temperature in September
Min Temperature
15°C (59°F)
Max Temperature
23°C (73°F)
Chance of Rain
82%
Precipitation
424 mm (17 in)
Rainy days
25 days
Humidity
81% *
Sunshine
155 hours *
Percentage Sunshine
*
Daily Historical Temperatures
35-year average (1981-2025)
Based on our historical records, temperatures in San Marcos La Laguna typically stay consistent throughout September, with daily highs averaging around 23°C (73°F). Nights are cool, with lows around 14°C (57°F).
Average temperatures in September
Historical weather for San Marcos La Laguna in September
Browse day-by-day weather records for San Marcos La Laguna spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Marcos La Laguna historical weather extremes in September
Based on weather observations in San Marcos La Laguna between 2002 and 2025, these are the recorded extremes during September.
- The warmest day in September was on September 11, 2008, with a maximum of 33°C (91°F).
- San Marcos La Laguna experienced its chilliest September day on September 28, 2003, reaching only 15°C (59°F).
- The coldest night in September in San Marcos La Laguna was on September 18, 2012, with a minimum of 7°C (45°F).
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
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tolerable
unpleasant
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What to Wear in San Marcos La Laguna in September
For San Marcos La Laguna in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. 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.What To Do in San Marcos La Laguna 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 San Marcos La Laguna's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Marcos La Laguna climate overview or explore weather in Guatemala.
