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The weather in September in Belize

It's hot in September in Belize with an average temperature of 31°C. Temperatures this month range from a low of 31°C to a high of 32°C. At night, you can expect temperatures between 25°C and 27°C.

Looking for sun? September isn’t a good month to be in Belize. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Belize. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 37°C in 2021, Belize reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 25°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 20°C to a highest value of 29°C.

Rainfall amount

In September, there is an average of 334 mm of precipitation, spread over 27 days. The wind speed is around 4 Bft, mostly coming from the East.

Daily weather in September for Belize

Click on any day in September to get detailed info about the usual weather on that day in Belize. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Belize New York
Average temperature 31°C 27°C
Max. temperature 32°C 31°C
Min. temperature 25°C -5°C
Total precipitation 334 mm 57 mm
Rainy days 27 days 9 days

Start of September

The month of September starts in Belize with hot temps, averaging around 32°C during the day and nights around 26°C.

Mid September

By mid-September, daytime temps stay steady at around 32°C, with nights around 26°C. There’s a high chance of precipitation during this time.

End of September

By the end of September, the average daytime temperature in Belize is around 31°C, while nighttime temps are about 26°C. There’s a significant chance of many days with precipitation.

Find affordable vacations to Belize

UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

The hurricane season in Belize runs from June to November.

Check out the climate of Belize for all months and discover the best travel time

You can check out all destinations in Belize to get the full picture of the climate.

Temperature charts

These charts show the average temperatures in September in Belize. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Belize

Temperature in September in Belize over the years

Precipitation charts

These charts show the average amount of precipitation in September in Belize. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Belize

Total precipitation in September in Belize over the years

Daily UV index in September in Belize

This chart shows the average daily UV index in September in Belize, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Belize

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Average weather in Belize by month

Click on a month below to see detailed weather info for Belize. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.