Belmopan
Belize
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Belmopan, Belize

The sunlit parliament building in Belmopan City, Belize under blue skies
The sunlit parliament building in Belmopan City, Belize under blue skies
September, the first month of the autumn, in Belmopan, is still a hot month, with temperature in the range of an average low of 22.1°C (71.8°F) and an average high of 31.8°C (89.2°F).

Temperature

In Belmopan, Belize, the average high-temperature in September is essentially the same as in August - a still hot 31.8°C (89.2°F). In Belmopan, Belize, in September, the average low-temperature is 22.1°C (71.8°F).

Rainfall

In Belmopan, it is raining for 20 days, with typically 254.8mm (10") of accumulated precipitation. In Belmopan, during the entire year, the rain falls for 169 days and collects up to 2019.9mm (79.5") of precipitation.

Daylight

In Belmopan, the average length of the day in September is 12.2h.

Sunshine

Months with the least sunshine in Belmopan are January, September through December, with an average of 6h of sunshine.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in Belmopan. A UV Index of 11, and more, symbolizes an extreme threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 12 interpret into the following advice:
Practice all essential precautions. Protection against sun damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.

What is the temperature in September in Belmopan?

In Belmopan, in September, the average high-temperature is 31.8°C (89.2°F), and the average low-temperature is 22.1°C (71.8°F).

How much does it rain in Belmopan in September?

In Belmopan, in September, it is raining for 20 days, with typically 254.8mm (10") of accumulated precipitation.

What is the average length of the day in September in Belmopan?

The average length of the day in September in Belmopan is 12.2h.

What is the month with the least sunshine in Belmopan?

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

How long on average sun shines in September in Belmopan?

The average sunshine in September is 6h.

What is the month with the highest UV index in Belmopan?

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

How high is the UV index in September in Belmopan?

In September, the average daily maximum UV index is 12. A UV Index value of 11, and more, symbolizes an extreme health vulnerability from the exposure to the Sun's UV rays.
Average temperature in September - Belmopan, Belize
  • Average high temperature in September: 31.8°C

The warmest month (with the highest average high temperature) is May (34.1°C).
Months with the lowest average high temperature are January and December (28°C).

  • Average low temperature in September: 22.1°C

The month with the highest average low temperature is June (22.6°C).
The coldest month (with the lowest average low temperature) is February (17.6°C).

Average rainfall in September - Belmopan, Belize
  • Average rainfall in September: 254.8mm

The wettest month (with the highest rainfall) is June (305.7mm).
The driest month (with the lowest rainfall) is March (44mm).

Average rainfall days in September - Belmopan, Belize
  • Average rainfall days in September: 20 days

The month with the highest number of rainy days is July (21 days).
The month with the lowest number of rainy days is April (5 days).

Average daylight in September / Average sunshine in September - Belmopan, Belize
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13.2h).
The month with shortest days is December (Average daylight: 11.1h).

  • Average sunshine in September: 6h

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

Average UV index in September - Belmopan, Belize
  • Average UV index in September: 12

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