What to pack for Riyadh in September
- light, breathable clothing
- sun protection (hat, SPF 50)
Humidity averages 15%; max daily wind around 22 km/h.
How September compares
Best months in Riyadh: November–March. See the full best time to visit Riyadh guide.
Riyadh in September: the details
In September, Riyadh sees average daytime highs of 40°C (104°F) and overnight lows of 26°C (79°F). Rainfall totals roughly 0 mm across 0 rainy days, and the sun shines about 11.3 hours per day with 12.1 hours of daylight mid-month. Relative humidity averages 15%.
In context: September is the 4th-warmest month and the 11th-wettest in Riyadh. The sunniest month is June (11.9 h/day).
| Metric | September average |
|---|---|
| Daytime high | 40°C / 104°F |
| Overnight low | 26°C / 79°F |
| Rainfall | 0 mm over 0 rainy days |
| Sunshine | 11.3 h/day (12.1 h daylight) |
| Humidity | 15% |
| Travel score | 1.5 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Riyadh, Saudi Arabia (24.69, 46.72) — see our methodology. Actual conditions vary year to year.
Not set on Riyadh? Browse the best places to visit in September ranked by travel score.
Frequently asked questions
How hot is Riyadh in September?
Daytime highs in Riyadh in September average 40°C (104°F); nights drop to about 26°C.
Does it rain in Riyadh in September?
Expect around 0 rainy days and 0 mm of rainfall in September.
Is September a good time to visit Riyadh?
September is a challenging month to visit Riyadh — consider November–March instead. Overall travel score: 1.5/10. The best months are November–March.
Also good in September, near Riyadh
Where should you go next month?
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