Weather in Guatemala in September
Country-wide climate normals across 15 cities in Guatemala.
How Hot Is Guatemala in September?
Guatemala's September brings reliable warmth — typical highs of 25°C nationwide, with Guatemala City representative and regional variation from 19°C to 31°C.
Sunshine in Guatemala in September
Guatemala sees limited sun in September: just 0.7h a day in Guatemala City, with heavy cloud cover common across most regions. Daylight runs from 5:50 am to 6:00 pm, but persistent grey skies and overcast stretches mean direct sunlight is genuinely scarce. Many days pass without any prolonged sunny spells.
Does It Rain In Guatemala In September?
Guatemala is in the heart of its rainy season: Guatemala City measures 395mm of rain across 28 days in September, and the pattern repeats across nearly all regions. Persistent heavy rain, occasional thunderstorms, and saturated air define the entire country's weather.
Is Guatemala Humid In September?
Heavy oppressive humidity covers Guatemala in September: 86% on average in Guatemala City, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Guatemala In September
Winds are light across Guatemala in September — averaging 9 kph in Guatemala City, with mostly still air across the country. Outdoor activity is comfortable; sailing and similar wind-dependent sports may struggle. The pattern is consistent in most regions.
Cloud Cover In Guatemala In September
Heavy overcast covers Guatemala in September: 80% cloud cover in Guatemala City, with similar grey conditions in most regions. Direct sun is rare, and the pattern is persistent across the country. Coastal and northern regions feel especially heavy.