September weather forecast
Ambergris Caye, Belize

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A perfect location on the beautiful island of Ambergris Caye in Belize
A perfect location on the beautiful island of Ambergris Caye in Belize

Weather in September

September remains within the confines of the rainy season, bolstering the rainfall with a significant amount of 233mm (9.17"), the city's highest throughout the year. While Belize prepares to cherish independence celebrations, the increased rainfall adds a distinct aspect to the festivities. The outdoor decorations and festive parades, in combination with unexpected rain showers, offer an enchanting cultural experience. Remarkably, the enhanced rainfall does not impact the daylight hours, ensuring the vibrance of Ambergris Caye shines through. The uniqueness of celebrating national events amidst the rich ecosystem is a singular offering by the town.

Temperature

Ambergris Caye witnesses its highest average temperatures during April through September, peaking at 31°C (87.8°F).

Rainfall

In Ambergris Caye, Belize, in September, during 16 rainfall days, 233mm (9.17") of precipitation is typically accumulated. In Ambergris Caye, during the entire year, the rain falls for 136 days and collects up to 1731mm (68.15") of precipitation.

Daylight

The average length of the day in September in Ambergris Caye is 12h and 14min.
On the first day of the month, sunrise is at 05:37 and sunset at 18:05. On the last day of September, sunrise is at 05:42 and sunset at 17:40 CST.

Sunshine

January, September through December, with an average of 6h of sunshine, are months with the least sunshine in Ambergris Caye.

UV index

The months with the highest UV index in Ambergris Caye are March through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an excessive health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 12 during September translates into the following directions:
Implement every essential safety step. Individuals with fair skin might receive burns in less than 5 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Despite the cloudy weather, sunscreen with a sun protection factor of at least 30 should be liberally applied and reapplied, including after a swim or outdoor activity.
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Frequently asked questions

What are the warmest months in Ambergris Caye?

April through September, with an average high-temperature of 31°C (87.8°F), are warmest months in Ambergris Caye.

How hot does it get in Ambergris Caye in September?

September temperatures in Ambergris Caye vary between a high-temperature of 31°C (87.8°F) and a low-temperature of 23°C (73.4°F).

How much does it rain in Ambergris Caye in September?

In September, in Ambergris Caye, Belize, the rain falls for 16 days. Throughout September, 233mm (9.17") of precipitation is accumulated.

How many hours of daylight does Ambergris Caye have in September?

In September, the average day length in Ambergris Caye is 12h and 14min.

When is the sunrise / sunset in September in Ambergris Caye?

On the first day of September, sunrise is at 05:37 and sunset at 18:05. On the last day of the month, sunrise is at 05:42 and sunset at 17:40 CST.

What are the months with the least sunshine in Ambergris Caye?

The months with the least sunshine in Ambergris Caye are January, September through December, with an average of 6h of sunshine.

How many hours of sunshine does Ambergris Caye have in September?

In September, the average sunshine duration is 6h.

What are the months with the highest UV index in Ambergris Caye?

March through September, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index intensity in September in Ambergris Caye?

In Ambergris Caye, Belize, the average daily maximum UV index in September is 12. A UV Index estimate of 11, and higher, represents an excessive health risk from unprotected exposure to UV radiation.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Ambergris Caye, Belize

Average temperature in September - Ambergris Caye, Belize
  • Average high temperature in September: 31°C

The warmest months (with the highest average high temperature) are April, May, June, July, August and September (31°C).
The month with the lowest average high temperature is December (27°C).

  • Average low temperature in September: 23°C

The month with the highest average low temperature is June (24°C).
The coldest months (with the lowest average low temperature) are January and December (19°C).

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Average rainfall in September
Ambergris Caye, Belize

Average rainfall in September - Ambergris Caye, Belize
  • Average rainfall in September: 233mm

The wettest month (with the highest rainfall) is October (245mm).
The driest month (with the least rainfall) is March (37mm).

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Average rainfall days in September
Ambergris Caye, Belize

Average rainfall days in September - Ambergris Caye, Belize
  • Average rainfall days in September: 16 days

The months with the highest number of rainy days are July, September and October (16 days).
The month with the least rainy days is April (4 days).

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Average daylight in September /
Average sunshine in September
Ambergris Caye, Belize

Average daylight in September / Average sunshine in September - Ambergris Caye, Belize
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in September: 6h

The months with the most sunshine are March, April and May (Average sunshine: 8h).
The months with the least sunshine are January, September, October, November and December (Average sunshine: 6h).

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Average UV index in September
Ambergris Caye, Belize

Average UV index in September - Ambergris Caye, Belize
  • Average UV index in September: 12

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The months with the lowest UV index are January and December (UV index 8).

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Ambergris Caye, Belize

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