September weather forecast
Gibraltar

September in Gibraltar represents the transition from the hot summer months to the milder autumn season. The average temperature for September is about 23°C (73.4°F). Daytime temperatures regularly reach around 26°C (78.8°F), while nighttime temperatures can fall to 20°C (68°F). Gibraltar's compact geographical size ensures consistent weather patterns across the territory.

While September doesn't hold any extreme climatic values in Gibraltar's annual weather cycle, it does offer respite from the intense heat of the peak summer months. This month is characterized by warm, yet progressively cooler days as it moves towards October.

Rainfall in September increases slightly compared to the virtually rainless summer months, averaging 10mm (0.39"). Nonetheless, the frequency of rainy days remains low, and most days in September are sunny and clear. The Levanter winds that bring clouds and moisture during the winter months are still largely absent in September, resulting in predominantly clear skies.

Transitioning from August to September, the temperatures begin to cool, and the rainfall increases slightly, indicating a gradual shift in weather conditions towards the autumn season. As September progresses into October, there is a further decrease in temperature and an increase in precipitation.

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• Gibraltar - September »
  The transition from summer to autumn begins in September with marginal changes in Gibraltar's temperature. On the first day of September in Gibraltar, sunrise is at 07:52 and sunset at 20:50.