Riyadh in September
In September, Riyadh averages 40°C (104°F) during the day and 26°C (78°F) at night, with only about 0 rainy days.
ShoulderConditions are very hot — early-morning and evening sightseeing recommended. Skies are generally dry and clear.
September in Riyadh is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How September compares to the rest of the year in Riyadh
September is in the middle of the year for warmth in Riyadh (4th of 12) and one of the driest months (11th of 12). Daytime temperature runs 7°C above the annual average (33°C). September runs 3°C cooler than August (43°C) and cools 5°C in October (35°C).
September sunrise & sunset in Riyadh
Times shown for Riyadh local time (Asia/Riyadh), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Riyadh — September
Golden-hour and blue-hour windows for the 15th of September, in Riyadh's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Riyadh in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Riyadh's popularity.
Crowds & pricing — September in Riyadh
Riyadh is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — September in Riyadh
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Riyadh in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 21°C / 69°F | 9°C / 47°F | 15 mm | 4 | — |
| February | 23°C / 74°F | 11°C / 51°F | 12 mm | 5 | — |
| March | 29°C / 84°F | 16°C / 60°F | 10 mm | 6 | — |
| April | 33°C / 92°F | 20°C / 68°F | 10 mm | 7 | — |
| May | 39°C / 102°F | 25°C / 78°F | 2 mm | 3 | — |
| June | 42°C / 108°F | 28°C / 82°F | 0 mm | 0 | — |
| July | 43°C / 110°F | 30°C / 85°F | 0 mm | 0 | — |
| August | 43°C / 109°F | 29°C / 84°F | 0 mm | 0 | — |
| September | 40°C / 104°F | 26°C / 78°F | 0 mm | 0 | — |
| October | 35°C / 94°F | 21°C / 70°F | 1 mm | 0 | — |
| November | 27°C / 80°F | 15°C / 60°F | 15 mm | 5 | — |
| December | 22°C / 72°F | 10°C / 50°F | 11 mm | 3 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Riyadh in September →
Frequently asked questions
How hot is Riyadh in September?
In September, Riyadh averages a high of 40°C (104°F) and a low of 26°C (78°F) — generally hot.
Does it rain a lot in Riyadh in September?
September is generally dry in Riyadh, with about 0 rainy days on average.
Is September a good time to visit Riyadh?
September is hot and mostly dry. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Riyadh in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full September packing list for Riyadh for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.