September · Guatemala
Best time to visit Guatemala City in September Weather, crowds & prices
Weather in Guatemala City in September
Average temperature 22°C, 304 mm of rain, about 20 days with 6+ hours of sunshine and 87% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
5.5/10
Ranked #12 of 12 months
- Avg temp
- 22°C
- Rainfall
- 304 mm
- Humidity
- 87%
- Days with 6h+ sun
- 20
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Guatemala City scores 5.5/10 for sightseeing and cultural travel - ranked #12 of 12. Expect around 22°C, 304 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.
Guatemala City mixes Maya museums, colonial churches and markets in the highland capital.
September in Guatemala City: mixed conditions, plan around the weather
At 22°C (71°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.
This is the year's wettest stretch at 304 mm, but with about 20 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 5.5/10 on the same scale — 12th of 12 months, versus 9.7/10 for the best month here.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, February is materially better in Guatemala City — 4.2 points higher on the same scale.
Frequently asked
- What is the weather like in Guatemala City in September?
- In September, Guatemala City averages 22°C, 304 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 5.5/10.
- Is September a good time to visit Guatemala City?
- September earns a 5.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Guatemala City in September?
- Expect about 304 mm of rain in September. Average humidity is 87% and there are about 20 days with 6+ hours of sunshine.
Curated in Guatemala City
Tickets & experiences
Things to do in Guatemala City
Guatemala City, Guatemala. Live activities and tours from GetYourGuide, matched to this destination.