September · Belize
Best time to visit San Ignacio in September Weather, crowds & prices
Weather in San Ignacio 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
- Avg temp
- 26°C
- Rainfall
- 215 mm
- Humidity
- 91%
- Days with 6h+ sun
- 20
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in San Ignacio 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.
San Ignacio is Cayo’s riverside adventure town-ATM Cave, Maya ruins, and jungle lodge gateways. Best window: the drier months outside peak monsoon.
September in San Ignacio — 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 San Ignacio — 3.4 points higher on the same scale.
Frequently asked
- What is the weather like in San Ignacio in September?
- In September, San Ignacio 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 San Ignacio?
- 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 San Ignacio 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 San Ignacio
Tickets & experiences
Things to do in San Ignacio
San Ignacio, Belize. Live activities and tours from GetYourGuide, matched to this destination.