San Juan La Laguna Weather in September
San Juan La Laguna in September sees high daytime temperatures of 24°C (75°F) and nighttime lows of 16°C (61°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in San Juan La Laguna in September
As part of the rainy season, San Juan La Laguna sees around 25 days of rain in September, with an average of 442 mm (17 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in San Juan La Laguna in September
Temperatures in San Juan La Laguna in September top out at 24°C (75°F) and drop to 16°C (61°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 16°C (61°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 San Juan La Laguna in September
The month brings about 155 hours of sunlight, offering a comfortable mix of sun and rainy moments.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit San Juan 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 Juan La Laguna's climate page.
San Juan La Laguna Temperature in September
Min Temperature
16°C (61°F)
Max Temperature
24°C (75°F)
Chance of Rain
82%
Precipitation
442 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 Juan La Laguna typically stay consistent throughout September, with daily highs averaging around 24°C (75°F). Nights are cool, with lows around 14°C (57°F).
Average temperatures in September
Historical weather for San Juan La Laguna in September
Browse day-by-day weather records for San Juan La Laguna spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Juan La Laguna historical weather extremes in September
Based on 23 years of weather observations in San Juan La Laguna between 2002 and 2025, these are the recorded extremes.
- The warmest day in September was on September 16, 2024, with a maximum of 34°C (93°F).
- The lowest daytime temperature in September was 15°C (59°F), recorded on September 28, 2003.
- The coldest night in September in San Juan 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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What to Wear in San Juan La Laguna in September
For San Juan 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 Juan 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 Juan La Laguna's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Juan La Laguna climate overview or explore weather in Guatemala.
