Climate guide for Xunantunich, Belize

Xunantunich in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · Belize

Best time to visit Xunantunich in September Weather, crowds & prices

Weather in Xunantunich in September

Average temperature 26°C, 215 mm of rain, about 20 days with 6+ hours of sunshine and 91% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

4.2/10

Ranked #11 of 12 months

Full year for Xunantunich
Avg temp
26°C
Rainfall
215 mm
Humidity
91%
Days with 6h+ sun
20
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Xunantunich scores 4.2/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 26°C, 215 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.

Xunantunich overlooks the Mopan River with a climbable El Castillo pyramid near the Guatemalan border. Best window: the drier months outside peak monsoon.

September in Xunantunich — off-season conditions

At 26°C (78°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 215 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 4.2/10 on the same scale — 11th of 12 months, versus 7.6/10 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 Xunantunich — 3.4 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Xunantunich in September?
In September, Xunantunich averages 26°C, 215 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 4.2/10.
Is September a good time to visit Xunantunich?
September earns a 4.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Xunantunich in September?
Expect about 215 mm of rain in September. Average humidity is 91% and there are about 20 days with 6+ hours of sunshine.

Curated in Xunantunich

Tickets & experiences

Things to do in Xunantunich

Xunantunich, Belize. Live activities and tours from GetYourGuide, matched to this destination.