September weather forecast
Belmopan, Belize

September ushers in the last phase of significant monsoon conditions in Belmopan, Belize. The temperature structure experiences a minor decline from August, indicating the impending arrival of cooler days. An intriguing attribute of September is the highest number of cloud cover percentages, hitting 55%. The frequency of rainy days remains constant. However, the decrease in the average wind speed establishes a calmer ambiance around town.

Temperature

September's arrival registers an average high-temperature of a still tropical 31.4°C (88.5°F), closely aligning with the temperature of the previous month. Throughout September, Belmopan anticipates an average low-temperature of 22.2°C (72°F).

Heat index

The heat index value for September is appraised at an extremely hot 44°C (111.2°F). Forewarned: Heat cramps and heat exhaustion are anticipated. Ongoing physical activity increases the likelihood of heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

In Belmopan, the average relative humidity in September is 85%.

Rainfall

In Belmopan, in September, during 27.3 rainfall days, 106mm (4.17") of precipitation is typically accumulated. In Belmopan, Belize, during the entire year, the rain falls for 254.6 days and collects up to 808mm (31.81") of precipitation.

Daylight

In September, the average length of the day is 12h and 14min.
On the first day of the month, sunrise is at 05:41 and sunset at 18:08. On the last day of September, sunrise is at 05:45 and sunset at 17:44 CST.

Sunshine

In Belmopan, the average sunshine in September is 7.4h.

UV index

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.