SeasonMapSemuc Champey weather in September
Guatemala
September in Semuc Champey: hot, soaked, with clean air — a gamble, with 28 rainy days.
#9 of 12 months in Semuc Champey · #1133 of 1383 destinations to visit in September · comfort 61/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Semuc Champey in September
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Semuc Champey climate normals — September
| Daytime high | 29°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Rainfall | 224 mm / 8.8 in | ⛈ soaked |
| Rainy days | 28 days | |
| Humidity | 90% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 12.2 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 27 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Semuc Champey in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 2 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Semuc Champey's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSemuc Champey's weather peaks January–March, best around February.
Best weatherFair weatherToughest weather
What's on in Semuc Champey in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Brown water after the rains
1 Jun – 31 Oct · usuallyHigh waterRiskAfter a heavy night the turquoise the place is famous for goes the colour of the runoff, and a big rise on the Cahabon can shut the monument for a day or two. It clears within a day of the rain stopping. Source ↗
- Season
Wet season
MonsoonRisk28 rainy days and about 224 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Nearby, and something's on
Within 300 km of Semuc Champey — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Semuc Champey?
Semuc Champey in September — FAQ
- Is September a good time to visit Semuc Champey?
- September in Semuc Champey: hot, soaked, with clean air — a gamble, with 28 rainy days. It ranks #9 of 12 months for Semuc Champey on SeasonMap's comfort score (61/100).
- What is the weather like in Semuc Champey in September?
- In September, Semuc Champey averages a daily high of 29.2°C and a low of 22.5°C, with about 223.5 mm of rain over roughly 27.8 rainy days.
- What is the air quality in Semuc Champey in September?
- Semuc Champey has a mean US Air Quality Index of about 27 in September.
Other months in Semuc Champey
Compare Semuc Champey in September
Warmer or cooler than Semuc Champey in September
Similar destinations in Central America — September
Within 300 km: Antigua Guatemala's Independence Day on 14–15 Sep, and Lake Atitlán's Independence Day on 14–15 Sep.