September weather forecastOman

Weather in September

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.

---

• Muscat - September »
  In Muscat in September, the average water temperature is 30.3°C (86.5°F). On the first day of September in Muscat, sunrise is at 05:48 and sunset at 18:24.
• Seeb - September »
  September is the only month when rain does not fall in Seeb. September is the only month when rain does not fall in Seeb.
• Salalah - September »
  In Salalah in September, during 2 rainfall days, 4mm (0.16") of precipitation is typically accumulated. In Salalah in September, the average water temperature is 25.7°C (78.3°F).
• Bawshar - September »
  On the last day of September, in Bawshar, sunrise is at 05:57 and sunset at 17:54 +04. In Bawshar, in September, the average water temperature is 30.8°C (87.4°F).
• Sohar - September »
  In September, the average heat index, which takes the relative humidity and factors it into the air temperature reading, 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 »
  The heat index in September is calculated to be a burning hot 59°C (138.2°F). Warning: These weather conditions are identified as extremely risky, heatstroke is imminent. In September, the average heat index, which calculates the temperature value influenced by the moisture in the air, is calculated to be 59°C (138.2°F).
• Barka - September »
  In September, Barka notes an average high-temperature of a still torrid 35.9°C (96.6°F), hardly different from the preceding month. Barka, in the month of September, anticipates a consistent average low-temperature of 28°C (82.4°F).
• Khasab - September »
  The average heat index, which takes the relative humidity and factors it into the air temperature reading, in September is appraised at 58°C (136.4°F). On the first day of September in Khasab, Oman, sunrise is at 05:55 and sunset at 18:34.