September weather forecast
Qasam, Yemen

September brings a mellowing effect to Qasam's weather. Compared to the peak of 35.1°C (95.2°F) in June, September’s highs drop to a more moderate 32.1°C (89.8°F). As the days of September roll on, the sunlight hours reduce, falling to 12.2 hours, paving the way for the approaching cooler months. A drop in daylight hours and a decrease in UV index mark gradual changes towards the year's end. The transition from September to October does not bring drastic weather changes, making these months apt for visiting.

Temperature

The unfolding of September shows an average high-temperature of a still hot 32.1°C (89.8°F), indicating a slight variance from August's 33.7°C (92.7°F). During the nights in September, Qasam observes an average low-temperature of 26.8°C (80.2°F).

Heat index

The heat index in September is computed to be a torrid 39°C (102.2°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. 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 children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

September is the most humid month, with an average relative humidity of 65%.

Rainfall

In September, in Qasam, the rain falls for 3.6 days. Throughout September, 3mm (0.12") of precipitation is accumulated. In Qasam, during the entire year, the rain falls for 41.9 days and collects up to 74mm (2.91") of precipitation.

Daylight

In Qasam, the average length of the day in September is 12h and 13min.
On the first day of the month, sunrise is at 05:30 and sunset at 17:56. On the last day of September, in Qasam, sunrise is at 05:33 and sunset at 17:33 +03.

Sunshine

In Qasam, the average sunshine in September is 9.8h.

UV index

The average daily maximum UV index in September in Qasam is 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: In September, a daily UV index of 7 turns into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.