September weather forecast
Oman

September in Oman marks the beginning of the transition from the blistering summer season towards the relatively milder autumn months. However, the country continues to experience high temperatures, with averages typically oscillating between 31°C (87.8°F) and 40°C (104°F) across most regions. While still intense, this heat represents a slight decrease from the peak summer temperatures of July and August.

In Muscat, temperatures in September range from 30°C (86°F) to 40°C (104°F), indicating a marginal reduction from the previous summer months. In Salalah, temperatures usually hover between 26°C (78.8°F) and 36°C (96.8°F), with the city continuing to experience milder conditions compared to the rest of the country due to its southern location.

The high-altitude regions of Jebel Shams and Jebel Akhdar experience a gradual decline in temperatures as well. In these areas, September temperatures typically fluctuate between 25°C (77°F) and 35°C (95°F).

Regarding precipitation, September continues the trend of low rainfall with an average of less than 10mm (0.39") across the country. This maintains Oman's predominantly arid climate despite the slight change in season.

When compared to the upcoming month, October, September remains hotter. As the country transitions into October and the ensuing months, visitors can anticipate a further decrease in temperatures, signaling the arrival of Oman's moderate autumn and winter seasons.

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• Muscat - September »
  As August turns into September in Muscat, the average high-temperatures rest at a still torrid 36.3°C (97.3°F), showing a minor variation from the prior month. On the first day of September in Muscat sunrise is at 05:48 and sunset at 18:24.
• Seeb - September »
  On the first day of September in Seeb sunrise is at 05:49 and sunset at 18:25. The only month without rainfall in Seeb is September.
• Salalah - September »
  In Salalah during September, the rain falls for 2 days and regularly aggregates up to 4mm (0.16") of precipitation. On the first day of September in Salalah sunrise is at 06:09 and sunset at 18:37.
• Bawshar - September »
  On the last day of September, in Bawshar, sunrise is at 05:57 and sunset at 17:55 +04. In September, on the first day of the month, sunrise is at 05:48 and sunset at 18:24.
• Sohar - September »
  In September, the average heat index, which represents the influence of relative humidity on air temperature, is estimated at 52°C (125.6°F). September is the first month it rains in Sohar, Oman.
• Nizwa - September »
  The months with the least rainfall in Nizwa are June and September Rain falls for 1 days and accumulates 2mm (0.08") of rain. The months with the least rainfall in Nizwa are June and September Rain falls for 1 days and accumulates 2mm (0.08") of rain.
• Sur - September »
  In September, the average heat index, which combines relative humidity and air temperature, is appraised at 59°C (138.2°F). In September, the heat index is appraised at a burning hot 59°C (138.2°F). Warning: These weather conditions are classified as overly treacherous, heatstroke is approaching.
• Barka - September »
  September is the only month when rain does not fall in Barka, Oman. On the first day of September in Barka, Oman, sunrise is at 05:50 and sunset at 18:26.
• Khasab - September »
  As Khasab steps into September, the average high-temperature holds at a still sweltering 37.2°C (99°F), hinting at a minor fluctuation from the prior month. Khasab usually reports an average low-temperature of 29.3°C (84.7°F) during the month of September.