Belize in September: Weather, Crowds & What to Expect
Climate Map for September
Average temperature across Belize in September.
City Weather in September
| City | High | Low | Rain | UV | Feels |
|---|---|---|---|---|---|
| Belize City | 31° | 24° | 233 mm | extreme | Hot |
| San Pedro Town | extreme | ||||
| Orange Walk Town | 32° | 22° | 225 mm | very high | Hot |
| Belmopan | 31° | 22° | 227 mm | extreme | Warm |
| San Ignacio, Belize | 32° | 22° | 203 mm | extreme | Warm |
| Dangriga | 31° | 23° | 302 mm | extreme | Hot |
| Corozal Town | 32° | 23° | 207 mm | very high | Hot |
High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.
Northern Cayes & Belize Barrier Reef (Ambergris Caye, Caye Caulker, Hol Chan, Great Blue Hole)
September sits in the most active part of hurricane season and afternoons can bring long, steady rains or tropical storms that close dive shops and ferry routes. Lodge owners and dive centers often operate conservatively; many travelers avoid scheduling multi-day excursions because weather windows are smaller. If you do travel this month, keep flexible plans, have alternate transport options, and track marine advisories closely.
Coastal Lowlands & Belize City District (Belize City, Corozal, Orange Walk, coastal villages)
September sits at the heart of hurricane season and is the most unpredictable month for coastal travel: long rain spells, potential storm surges and rough sea conditions are the norm if a system passes close. Many local outfitters reduce schedules and some lodges in low-lying spots close preemptively for safety. Keep travel insurance, monitor marine advisories, and avoid non-refundable bookings if you can.
Cayo & Western Interior (San Ignacio, Xunantunich, Caracol, Mountain Pine Ridge)
September is typically the wettest and most unpredictable month in the interior; tropical storms can close roads and keep archaeological sites muddy and quieter than normal. The payoff is near-deserted ruins and dramatic rainforest sounds, but access to some remote sites can be restricted. Travelers this month should travel with patience, sturdy gear, and flexible itineraries in case of flooded fords.
Southern Coast & Placencia Peninsula (Placencia, Hopkins, Seine Bight, Silk Cayes)
September is often the most precarious month for coastal travel because it sits near the hurricane peak; prolonged rains and rough seas can cancel charter trips and restrict beach activities. Many operators scale back or put contingency plans in place, and some small beachfront businesses close temporarily if a storm threatens. Ensure you have flexible bookings, emergency contacts, and travel insurance for this time of year.
Toledo District & Maya Mountains (Punta Gorda, Toledo villages, highland rainforest)
September typically ranks among the wettest and least predictable months, with tropical systems occasionally impacting southern Belize; Punta Gorda can be cut off temporarily by surging rivers. While the rainforest is at its most alive, logistical challenges are real and some remote excursions are suspended. Have contingency travel plans, and be prepared for mud, insects and sporadic power or transport interruptions.