September weather forecast
Big Creek, Belize

September brings a slight cool-off to Big Creek, Belize, from August's humidity and heat. However, the relative humidity holds constant at 78%, facilitating warmth retention. With the heralding of autumn, the daylight hours gradually taper off, creating smaller windows for outdoor activities. The wind speed slacks compared to August, contributing to the overall calmness. Additionally, the month's improved visibility marks a shift towards clearer skies and fewer clouds, which gives the city its crispy autumnal ambiance.

Temperature

Big Creek experiences its highest temperatures in September, with an average peak of 31.3°C (88.3°F) and a low of 24.3°C (75.7°F).

Heat index

In September, the average heat index is appraised at a blistering 41°C (105.8°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Big Creek, in September, during 25.8 rainfall days, 122mm (4.8") of precipitation is typically accumulated. In Big Creek, during the entire year, the rain falls for 293.1 days and collects up to 1298mm (51.1") of precipitation.

Sea temperature

May through November, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Big Creek.
Note: Water activities in surface temperatures between 25°C (77°F) and 29°C (84.2°F) are seen as exceptional and extremely agreeable for lengthened time spans.

Daylight

The average length of the day in September is 12h and 13min.
On the first day of September, sunrise is at 05:40 and sunset at 18:06. On the last day of the month, sunrise is at 05:43 and sunset at 17:43 CST.

Sunshine

The average sunshine in September in Big Creek is 9.4h.

UV index

The months with the highest UV index in Big Creek are March through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 7 in September translates into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Alert! UV radiation becomes sharper due to reflections from sand and water.