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Climate · Ambergris Caye

Ambergris Caye in September

Warm and wet, as the days shorten.

Typical weather, averaged over 30 years

September in Ambergris Caye is warm, around 82°F through the day and night. Rain falls on about six days a week, more often as the month goes on, and the days shorten by 22 minutes from the first week to the last.September in Ambergris Caye is warm, around 28°C through the day and night. Rain falls on about six days a week, more often as the month goes on, and the days shorten by 22 minutes from the first week to the last.

Typical
82°F28°Caverage
Wet days
6a week · 84% of days
Daylight
12h 12mon average

Is September a good time to visit Ambergris Caye?

September sits outside Ambergris Caye's best months, which run from March to April. Expect warm days and rain on about six days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How September sits in the year

week by week

Temperature

Around 82°F in September, against 76°F to 82°F through the year.Around 28°C in September, against 24°C to 28°C through the year.

Chance of a wet day

84% of days in September, against 31% to 84% through the year.

Cloud cover

75% cover in September, against 30% to 77% through the year.

Daylight

12h 12m in September, against 11h 04m to 13h 11m through the year.

Week by week, lightly smoothed, with September shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. August82°28°5 wet days a weekRain on about five days a week.
  2. September82°28°6 wet days a weekRain on about six days a week.
  3. October81°27°6 wet days a weekRain on about six days a week.

Where Ambergris Caye sits, in September

America/Belize
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
5:39 AMsets 5:55 PM
Above the sea
0 mlow-lying
Latitude
17.9°Nnorthern hemisphere
Nearest of ours
Placencia Village149 km south

The land around Ambergris Caye, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Belize in September

typical · wet days
See September on the planning mapThe whole year in Ambergris Caye

Typical weather, averaged over 30 years (1995–2024). Ambergris Caye sits on a grid square that is mostly sea, where the data hold only a daily average, so the page shows one typical temperature, not a high and a low. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.