Weather in Algeria for September 2025

In September, Algeria experiences a transition from the hot summer to the milder autumn weather. At the beginning of the month, the northern coastal regions, including Algiers, typically have warm temperatures, averaging around 28° during the day and 19° at night.

The Sahara Desert region in the south remains very hot, with daytime temperatures often exceeding 40°. However, as the month progresses, the temperatures gradually begin to decrease.

By the end of September, the northern coastal areas experience a noticeable drop in temperatures, with daytime highs around 25° and nighttime lows around 16°. In the Sahara Desert, the extreme heat starts to subside, and daytime temperatures become more bearable, averaging around 35°.

Rainfall is rare in Algeria during this time, and the country generally enjoys dry and sunny weather throughout September.

Algeria's diverse climate means that weather conditions can vary significantly between regions.

Travelers visiting Algeria in September should be prepared for warm to hot temperatures in the north and extremely hot conditions in the desert, especially at the beginning of the month, with a gradual cooling trend towards the end of September.

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