Riyadh Weather in September
With daytime temperatures of 42°C (108°F) and nighttime lows of 26°C (79°F), September in Riyadh brings extremely high temperatures during the day. It is also the driest month of the year, with minimal rainfall.
Rainfall in Riyadh in September
As the driest month, it's a great time for hiking and exploring the area. On average, there are about 0 days with rain during this month, averaging 0 mm (0 in).
Temperature in Riyadh in September
September in Riyadh brings typical temperatures with highs around 42°C (108°F) and lows of 26°C (79°F). Mornings and evenings are often more comfortable than the peak afternoon hours. At 26°C (79°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Riyadh in September
With approximately 270 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Wind Speed in Riyadh in September
September has wind speeds averaging 4 m/s (8 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Riyadh. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saudi Arabia, check out our Riyadh's climate page.
Riyadh Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
42°C (108°F)
Chance of Rain
0%
Precipitation
0 mm (0 in)
Rainy days
0 days
Humidity
18%
Windspeed
4 m/s (8 knots)
Sunshine
270 hours
Percentage Sunshine
74%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Riyadh typically drop from around 42°C (108°F) at the start of September to approximately 38°C (100°F) by the end. Nights are warm, with lows typically ranging from 23°C (73°F) to 28°C (82°F).
Average temperatures in September
Historical weather for Riyadh in September
Browse day-by-day weather records for Riyadh spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Riyadh historical weather extremes in September
The extremes listed below come from historical weather data collected in Riyadh from 1976 through 2025.
- The warmest day in September was on September 4, 2018, with a maximum of 45°C (113°F).
- Riyadh experienced its chilliest September day on September 27, 2013, reaching only 34°C (93°F).
- Riyadh registered its coldest September night on September 22, 1989, with temperatures dropping to 16°C (61°F).
Best Places in Saudi Arabia in September
Find out more about the weather in Saudi Arabia and which places have the best travel conditions in this month. See all of Saudi Arabia in September →
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What to Wear in Riyadh in September
Hot weather in September means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Riyadh in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saudi Arabia, check out our Riyadh's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Riyadh climate overview or explore weather in Saudi Arabia.
