Climate guide for Muscat, Oman

Muscat in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · Oman

Best time to visit Muscat in September Weather, crowds & prices

Weather in Muscat in September

Average temperature 32°C, 1 mm of rain, about 30 days with 6+ hours of sunshine and 54% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

6.4/10

Ranked #10 of 12 months

Full year for Muscat
Avg temp
32°C
Rainfall
1 mm
Humidity
54%
Days with 6h+ sun
30
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Muscat scores 6.4/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 32°C, 1 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.

Muscat stretches along a bay between the Hajar Mountains and the Gulf of Oman, with forts, souqs, and clean beaches.

September in Muscat: mixed conditions, plan around the weather

At 32°C (90°F), September is at its most extreme: early starts are not optional, and afternoons belong indoors.

At just 1 mm for the month, rain will not shape your plans; you get about 30 days with 6+ hours of sunshine and 12.3 hours of daylight.

That is 6.4/10 on the same scale — 10th of 12 months, versus 9.7/10 for the best month here.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.

Budget for low-season pricing, and crowds are light for this destination.

If your dates are flexible, January is materially better in Muscat — 3.3 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Muscat in September?
In September, Muscat averages 32°C, 1 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 6.4/10.
Is September a good time to visit Muscat?
September earns a 6.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Muscat in September?
Expect about 1 mm of rain in September. Average humidity is 54% and there are about 30 days with 6+ hours of sunshine.

Curated in Muscat

Tickets & experiences

Things to do in Muscat

Muscat, Oman. Live activities and tours from GetYourGuide, matched to this destination.