Weather in Muscat in September 2025
Average weather
Average temperature in Muscat in September
The expected average maximum temperature in September is +34°C with a maximum of +38°C and a minimum of +26°C.
The average maximum temperature goes up 25% by the end of the month, compared with the beginning of the month, from +33°C to +36°C.
Is Muscat warm or cold in September?
Muscat is typically hot in September.
Maximum temperatures go down compared to the previous month from +35°C to +34°C. The minimum temperature also goes down from +30°C to +29°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
Take a look at how September is compared to other months in Muscat:
Climate in Muscat in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +35°C | +34°C | +33°C | ||||
| Min. temperature | ||||||
| +25°C | +24°C | +18°C | ||||
| Max. temperature | ||||||
| +44°C | +42°C | +41°C | ||||
| Rainfall | ||||||
| 2 mm | 0 mm | 3 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 53% | 51% | 50% | ||||
| Air pressure | ||||||
| 999 HPa | 1004 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 23 | 28 | 28 | ||||
| Cloudy days | ||||||
| 7 | 2 | 1 | ||||
| Rainy days | ||||||
| 0 | 0 | 1 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as good as in August. It’s getting colder in September. From +35°C in the day, the average maximum temperature lowers to +34°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 2 mm to 0 mm. It feels drier, as humidity decreases from 53% to 51%. The average wind speed doesn’t change much during September, staying around 2 m/s. The good news is there are likely to be more sunny days in September, from 23 to 28.
But maybe it is worth considering traveling in October as the weather gets better.
Wind
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Muscat is gradually decreasing during September, going from 3 m/s to 2 m/s over the course of the month.
How was the weather last September in Muscat?
Climate Change over Years
The climate in Muscat in September has not changed much over the last 43 years.
The average temperature was the lowest in 1989 (+30°C) and the highest in 2017 (+33°C). The driest year was 2018 with only 12 mm of rainfall, and the wettest year was 1997 with 295 mm.
FAQ
Is September a good time to visit Muscat?
Can you sunbathe in Muscat in September?
Is Muscat rainy in September?
Is it sunny in Muscat in September?
Monthly weather in Muscat
Source of the data
For this page, we’ve looked at the typical weather in Muscat, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.