September weather forecast
Bilma, Niger

September serves as a transitional period for Bilma, Niger as the searing summer heat starts to recede slightly. This month documents another light rainfall of 3mm (0.12"), providing a slight relief from the persisting aridity. The city basks in approximately 12.2 hours of daylight. Despite the slight drop in temperature, the days remain scorchingly hot, maintaining Bilma’s typical desert characteristics.

Temperature

Bilma experiences a minor change to a still blisteringly hot 41.8°C (107.2°F) in average high-temperature during September, closely reflecting August. Bilma encounters a significant temperature differential, with an average low-temperature of 23.6°C (74.5°F) during September nights.

Rainfall

September is the last month it rains. Throughout September, Bilma collects 3mm (0.12") of precipitation. Throughout the year, in Bilma, 13mm (0.51") of rain is accumulated.

Daylight

The average length of the day in September in Bilma is 12h and 14min.
On the first day of the month, sunrise is at 05:53 and sunset at 18:22. On the last day of September, in Bilma, Niger, sunrise is at 05:58 and sunset at 17:57 WAT.

Sunshine

In Bilma, the average sunshine in September is 10h.

UV index

The months with the highest UV index in Bilma are March through September, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 12 in September leads to these recommendations:
Utilize all necessary safety measures, unprotected skin could suffer burns instantly. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. A sunscreen with at least SPF 30 should be used liberally and reapplied frequently on cloudy days, especially after swimming or an outdoor workout.