September weather forecast
Yemen

September in Yemen marks the onset of autumn and a gradual decline in temperatures, signaling a relief from the intense summer heat. The average temperatures across the country during this month range from 24°C (75.2°F) to 37°C (98.6°F), with a noticeable cooling trend, particularly in the highlands and coastal regions.

In Sana'a, located in the highlands, temperatures typically vary between 18°C (64.4°F) and 28°C (82.4°F), a notable decrease compared to the peak summer months. In the coastal city of Aden, temperatures begin to drop, ranging from 30°C (86°F) to 37°C (98.6°F), indicative of the waning summer heat.

Compared to August, September experiences a noticeable decrease in temperatures, marking the transition from the summer's intense heat to the cooler autumn season. This cooling trend is expected to continue into October, which typically experiences further temperature reductions.

Rainfall in September remains relatively infrequent, reflecting Yemen's predominantly arid climate. However, the highlands may experience occasional showers as the remnants of the monsoon season dissipate. Coastal regions, like Aden, continue to experience high humidity levels, although these begin to decrease with the lowering temperatures.

Wind speeds in September are typically moderate, with averages ranging from 10km/h (6.2mph) to 20km/h (12.4mph). The chance of encountering extreme weather conditions, such as sandstorms, remains relatively low during this month, providing a sense of predictability amid the changing season.

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• Sana'a - September »
  September ushers in an evident change in Sana'a's weather; a relief from the excessive rainfall experienced in August and a transition towards autumn. In Sana'a, during September, the rain falls for 8.9 days and regularly aggregates up to 18mm (0.71") of precipitation.
• Aden - September »
  The average heat index, which represents the influence of relative humidity on air temperature, in September is calculated to be 51°C (123.8°F). September in Aden arrives with a break from the incessant high temperatures, recording a dip to 35.4°C (95.7°F).
• Al Hudaydah - September »
  The month with the warmest seawater in Al Hudaydah is September, with an average sea temperature of 32.6°C (90.7°F). In Al Hudaydah in September, the average water temperature is 32.6°C (90.7°F).
• Zabid - September »
  September carries bits of both summer and autumn to Zabid presenting relief from August's high humidity and heat. In Zabid in September, it is raining for 2.6 days, with typically 4mm (0.16") of accumulated precipitation.
• Al Mahwit - September »
  Shifting into September, Al Mahwit records an average high-temperature of a still moderately hot 25°C (77°F), presenting minor fluctuations compared to the previous month. In Al Mahwit, in September, it is raining for 8.9 days, with typically 18mm (0.71") of accumulated precipitation.
• Al Hazm - September »
  On the first day of September in Al Hazm sunrise is at 05:47 and sunset at 18:14. With September's arrival, Al Hazm notes an average high-temperature of a still torrid 35°C (95°F), closely following the trend of the preceding month.
• Harad - September »
  In Harad during September, the rain falls for 2 days and regularly aggregates up to 2mm (0.08") of precipitation. On the first day of September in Harad, sunrise is at 05:54 and sunset at 18:21.
• Raydah - September »
  In Raydah in September, it is raining for 8.9 days, with typically 18mm (0.71") of accumulated precipitation. On the last day of September, in Raydah, sunrise is at 05:53 and sunset at 17:54 +03.