September weather forecast
Cojutepeque, El Salvador

September ushers in a mild decrease in the average all-day temperature. The humidity, rainfall, and cloud cover, however, continue to reign high marking the peak of the rainy season. The average visibility drops to its yearly low at 7km (4.3mi) due to the frequent showers, wrapping Cojutepeque in a mystical, rain-drenched aura.

Temperature

September in Cojutepeque observes an average high-temperature of a still hot 30.9°C (87.6°F), marking an insignificant difference from August's 31.8°C (89.2°F). Cojutepeque experiences a nighttime temperature average of 20.5°C (68.9°F) during September.

Heat index

September's heat index is calculated to be a blistering 41°C (105.8°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

In September, the average relative humidity in Cojutepeque is 82%.

Rainfall

In Cojutepeque, El Salvador, in September, during 27.5 rainfall days, 134mm (5.28") of precipitation is typically accumulated. Throughout the year, in Cojutepeque, there are 192.2 rainfall days, and 1062mm (41.81") of precipitation is accumulated.

Daylight

In Cojutepeque, the average length of the day in September is 12h and 12min.
On the first day of September, sunrise is at 05:44 and sunset at 18:06. On the last day of the month, sunrise is at 05:45 and sunset at 17:45 CST.

Sunshine

In Cojutepeque, the average sunshine in September is 8.8h.

UV index

January, June through December, with an average maximum UV index of 6, are months with the lowest UV index in Cojutepeque. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 6 during September leads to these advisories:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.