Belize in September

September is one of Belize's weaker months (rank 10 of 12): its 4 destinations average 69/100, led by Caye Caulker at 75 — 38°C and 26 rainy days — while Belize City trails at 55 with 207 mm of rain.

#10 of 12 months for Belize · 4 destinations · updated September 2026 · climate normals from ERA5 reanalysis

Where in Belize in September

#PlaceTypeFeels-like highRainComfortAt its best
1Caye CaulkerIsland38°C197 mm · 26 days75 tier B
2San PedroIsland39°C199 mm · 25 days74 tier B
3PlacenciaBeach36°C229 mm · 27 days73 tier B
4Belize CityCity39°C207 mm · 27 days55 tier D

Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means September is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.

What's on in Belize in September

  • September Celebrations · Caye Caulker and 1 more place · 10–21 Sep

Seasons in force

Better months for Belize

More about September