Oman (Muscat) · September
Low seasonOman · Asia
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 25° (77°)21– (70–)29 (84) | 27° (81°)22– (72–)32 (90) | 30° (86°)25– (77–)35 (95) | 35° (95°)29– (84–)41 (106) | 39° (102°)33– (91–)45 (113) | 39° (102°)34– (93–)45 (113) | 37° (99°)32– (90–)43 (109) | 36° (97°)31– (88–)42 (108) | 36° (97°)31– (88–)41 (106) | 35° (95°)31– (88–)39 (102) | 30° (86°)27– (81–)34 (93) | 27° (81°)23– (73–)30 (86) |
Ø night, range from coldest to warmest nightØ nightrange | 18° (64°)13– (55–)20 (68) | 19° (66°)15– (59–)23 (73) | 22° (72°)17– (63–)25 (77) | 26° (79°)21– (70–)31 (88) | 31° (88°)25– (77–)36 (97) | 32° (90°)29– (84–)36 (97) | 31° (88°)27– (81–)34 (93) | 30° (86°)27– (81–)33 (91) | 29° (84°)26– (79–)31 (88) | 26° (79°)22– (72–)29 (84) | 23° (73°)18– (64–)26 (79) | 19° (66°)15– (59–)22 (72) |
☀️Sunshine | 9h | 10h | 10h | 11h | 12h | 11h | 10h | 10h | 10h | 10h | 10h | 9h |
🌊Water Temp | 24° (75°) | 24° (75°) | 25° (77°) | 28° (82°) | 31° (88°) | 32° (90°) | 32° (90°) | 31° (88°) | 31° (88°) | 31° (88°) | 29° (84°) | 26° (79°) |
🌧Rain Days | 1d13mm (0.5") | 1d9mm (0.3") | 1d10mm (0.4") | 1d13mm (0.5") | 0d2mm (0.1") | 0d8mm (0.3") | 0d7mm (0.3") | 0d0mm (<0.1") | 0d0mm (<0.1") | 0d9mm (0.4") | 1d22mm (0.8") | 1d7mm (0.3") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Still off-season — flights and hotels significantly cheaper than in October.
September in Oman (Muscat) sees highs of 36°C (97°F) — not ideal for heat-sensitive travellers. For more pleasant temperatures, consider January, February, March, April, October, November, and December.
Daytime highs reach 36°C (97°F) with a daily average of 32°C (90°F) — nights stay warm at 29°C (84°F). Peaks reach around 41°C (106°F), the coldest nights around 26°C (79°F). With 10 sunshine hours per day, September is one of the sunniest months — 0 mm (0 in) of rain over 0 days. The water is a warm 31°C (88°F) — perfect for snorkelling and swimming.
Sun protection, a hat, and plenty of water are essential at these temperatures. Plan activities for early morning or evening.
High summer in the north, khareef in the south: Muscat in unbearable heat (45°C (113°F)+). Salalah, by contrast, is cool and green thanks to the monsoon — unique on the Arabian Peninsula.
Packing list for Oman (Muscat) in September
- Airy linen or cotton clothing
- Light evening wear
- Swimwear and beach towel
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Insect repellent
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Oman (Muscat)?
- September is not an optimal month for Oman (Muscat) (Score: 87/100), but it is manageable. For better conditions, consider January, February, March, April, October, November, and December.
- How warm is it in Oman (Muscat) in September?
- In September, Oman (Muscat) sees daily highs of 36°C (97°F). Nights cool to 29°C (84°F), with a daily average of 32°C (90°F). Peaks reach around 41°C (106°F), the coldest nights around 26°C (79°F).
- How much rain falls in Oman (Muscat) in September?
- In September, Oman (Muscat) receives an average of 0 mm (0 in) of rain over 0 rain days. That is comparatively dry.
- How many sunshine hours does Oman (Muscat) get in September?
- Oman (Muscat) averages 10 sunshine hours per day in September — close to the annual average.
- How warm is the water in Oman (Muscat) in September?
- Water temperature in Oman (Muscat) in September averages 31°C (88°F) — ideal for swimming and snorkelling.
