September weather forecast
Izamal, Mexico

September, the first month of the autumn in Izamal, is also a hot month, with an average temperature fluctuating between 22.5°C (72.5°F) and 33.2°C (91.8°F).

Temperature

Izamal's shift into September sets the average high-temperature at a still tropical 33.2°C (91.8°F), a figure that deviates only slightly from August's 34.5°C (94.1°F). Izamal observes an average nighttime low-temperature of 22.5°C (72.5°F) during the month of September.

Heat index

September's heat index is calculated to be a blazing hot 50°C (122°F). Notice: Heat cramps and heat exhaustion are likely. Continued strenuous activity might lead to heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The months with the highest humidity in Izamal, Mexico, are September and October, with an average relative humidity of 82%.

Rainfall

In Izamal, in September, it is raining for 23.8 days, with typically 67mm (2.64") of accumulated precipitation. Throughout the year, in Izamal, Mexico, there are 195.8 rainfall days, and 599mm (23.58") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 15min.
On the first day of the month, sunrise is at 5:40 am and sunset at 6:11 pm. On the last day of September, sunrise is at 5:47 am and sunset at 5:44 pm CST.

Sunshine

In Izamal, the average sunshine in September is 7.9h.

UV index

The months with the highest UV index in Izamal are March through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 7 during September translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.