September weather forecast
Machaquila, Guatemala

The first month of the autumn, September, is still a tropical month in Machaquila, Guatemala, with an average temperature ranging between min 20.7°C (69.3°F) and max 30.5°C (86.9°F).

Temperature

The start of September sees the average high-temperature at a still hot 30.5°C (86.9°F), showing little difference from August's 31.5°C (88.7°F). Machaquila, in September, witnesses an average low-temperature of 20.7°C (69.3°F).

Heat index

Throughout September, the heat index is estimated at an extremely hot 41°C (105.8°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
In the scope of the heat index, its values resonate with shade and light wind conditions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In September, the average relative humidity is 85%.

Rainfall

In Machaquila, in September, it is raining for 27.9 days, with typically 156mm (6.14") of accumulated precipitation. In Machaquila, during the entire year, the rain falls for 260.2 days and collects up to 1135mm (44.69") of precipitation.

Daylight

In Machaquila, the average length of the day in September is 12h and 13min.
On the first day of September in Machaquila, sunrise is at 05:44 and sunset at 18:10. On the last day of the month, sunrise is at 05:47 and sunset at 17:47 CST.

Sunshine

The average sunshine in September is 7h.

UV index

In Machaquila, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 6 in September translates into these instructions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.