Riyadh in September
avoid · not the best time to go
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The numbers
| Daily high | 40°C |
|---|---|
| Nightly low | 25°C |
| Feels like, afternoon | 38°C |
| Rainy days | 0 · 0 mm |
| Humidity | 15% |
| Sunshine | 11.3 h/day |
| Daylight | 12.3 h/day |
| Days over 35°C | 30 |
| Crowds | 100 / 100, higher is quieter |
Ten-year averages for this calendar month. A rainy day is one with at least 2 mm.
What to pack
- Light, loose clothes: daily highs average 40°C.
- Plan the middle of the day indoors: 30 days a month pass 35°C.
- Sun protection: about 11 hours of sunshine a day.
Each line is a threshold over the ten-year figures above, not advice from anywhere else.
Before you go
| Cost of living | cheap — prices run about 47% of the United States' (World Bank, 2025) |
|---|---|
| Currency | Saudi riyal |
| Languages | Arabic |
| Plugs | Type G, 220 / 230 V |
| Driving | On the right |
| Emergency | 112, 911, 999, 911 |
| Calling code | +966 |
| Travel advice | avoid all travel to parts, avoid all but essential travel to parts — UK Foreign Office, updated 2026-09-20 |
Health. Before you travel check that: your destination can provide the healthcare you may need you have appropriate travel insurance for local treatment or unexpected medical evacuation This is particularly important if you have a health condition or are pregnant. Emergency medical number Call 911 and ask for an ambulance. Contact your insurance company quickly if you’re referred to a medical facility for… More.
Facts from Wikidata (CC0), the UK Foreign Office (Open Government Licence) and the World Bank, refreshed 2026-09-23. The advisory is written for British travellers; entry rules depend on your passport.
September elsewhere
In September from
The other months at Riyadh
- January sweet spot
- February sweet spot
- March sweet spot
- April sweet spot
- May avoid
- June avoid
- July avoid
- August avoid
- September
- October avoid
- November good
- December good
← August · All twelve months at Riyadh · October →
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