SeasonMapPlacencia weather in September
Belize
September in Placencia: sweltering, soaked, with clean air — fine if you can take 27 rainy days.
#8 of 12 months in Placencia · #889 of 1383 destinations to visit in September · comfort 73/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Placencia in September
No notes yet. Open Placencia on the map to add the first one.
Placencia climate normals — September
| Daytime high | 30°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 36°C / 97°F | |
| Sea temperature | 32°C / 89°F | ♨️ bath-warm |
| Rainfall | 229 mm / 9 in | ⛈ soaked |
| Rainy days | 27 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 12.2 h | |
| Wind | 14 km/h / 9 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 Placencia 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 Placencia'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 weatherPlacencia's weather peaks February–April, best around March.
Best weatherFair weatherToughest weather
What's on in Placencia in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Sargassum on the peninsula
1 Apr – 30 Sep · usuallySargassum seasonThe long east-facing beach collects weed through the summer and the hotels rake their own stretch. The cayes offshore and the lagoon side are unaffected. Source ↗
- Hazard
Hurricane season
1 Jun – 30 NovA sand spit with one road on and off it, so the peninsula evacuates early. Belize's exposed weeks run from August into October, and some places close for September altogether. Source ↗
- Season
Wet season
MonsoonRisk27 rainy days and about 229 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 Placencia — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Placencia?
Placencia in September — FAQ
- Is September a good time to visit Placencia?
- September in Placencia: sweltering, soaked, with clean air — fine if you can take 27 rainy days. It ranks #8 of 12 months for Placencia on SeasonMap's comfort score (73/100).
- What is the weather like in Placencia in September?
- In September, Placencia averages a daily high of 29.7°C and a low of 24.8°C, with about 229.2 mm of rain over roughly 27.4 rainy days.
- What is the air quality in Placencia in September?
- Placencia has a mean US Air Quality Index of about 27 in September.
Other months in Placencia
Compare Placencia in September
Warmer or cooler than Placencia in September
Similar destinations in Central America — September
Within 300 km: Caye Caulker's Lobster season opens on 15 Jun – 14 Feb, and Roatán's Coral spawning nights around 20 Aug – 25 Sep.