Guatemala City Weather in September
Guatemala · 30-year monthly averages
⚠️ Challenging time to visit
September in Guatemala City is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 24°C (74°F). Expect roughly 326mm of precipitation spread over about 17 rainy days, and heavy rainfall is common — this is peak wet season territory.
Avg high
32°C
90°F
Avg low
24°C
74°F
Rainfall
326mm
very wet
Rainy days
17
days with ≥1mm
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
- compact umbrella or rain jacket
September vs the rest of the year
FAQ
- How hot is Guatemala City in September?
- September in Guatemala City is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 24°C (74°F). Expect roughly 326mm of precipitation spread over about 17 rainy days, and heavy rainfall is common — this is peak wet season territory.
- Does it rain a lot in Guatemala City in September?
- Guatemala City sees around 326mm of precipitation in September on average — very wet by global standards.
- Is September a good time to visit Guatemala City?
- September is a challenging month to visit Guatemala City weather-wise — plan around the conditions.