September weather forecast
Crater, Yemen

As Crater, Yemen steps into September, there is a noticeable decrease in average high temperatures from 32.4°C (90.3°F) to 32.6°C (90.7°F). This month shares the crown with August as the wettest month, with rainfall volume peaking at 9mm (0.35"). Despite the high rainfall, the number of rainfall days reduces by nearly a half when compared to August. As the city transitions into October, it experiences a decrease in rainfall and daytime temperature. The weather in September, with its high rainfall and slightly cooler days, signals the end of summer and the onset of autumn.

Temperature

Transitioning into September, Crater experiences an average high-temperature of a still hot 32.6°C (90.7°F), marking a minor shift from the preceding month. Nights in September in Crater exhibit a minor reduction to an average low temperature of 29.9°C (85.8°F).

Heat index

September's heat index is calculated to be a blisteringly hot 42°C (107.6°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
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. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In September, the average relative humidity is 69%.

Rainfall

In Crater, Yemen, in September, it is raining for 3.2 days, with typically 5mm (0.2") of accumulated precipitation. In Crater, during the entire year, the rain falls for 37.8 days and collects up to 60mm (2.36") of precipitation.

Daylight

The average length of the day in September in Crater is 12h and 12min.
On the first day of the month, sunrise is at 05:48 and sunset at 18:10. On the last day of September, in Crater, sunrise is at 05:48 and sunset at 17:50 +03.

Sunshine

In September, the average sunshine in Crater is 11h.

UV index

May through September, with an average maximum UV index of 8, are months with the highest UV index in Crater. A UV Index estimate of 8 to 10 represents a very high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 8 translates into the following recommendations:
Be proactive in protecting yourself; skin and eyes can be harmed if left unprotected. 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. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.