Weather in Riyadh in September 2025
Average weather
Average temperature in Riyadh in September
Going from a maximum of +44°C during the day to a minimum of +24°C during the night, the temperature in September averages around +42°C.
The average maximum temperature goes down 15% by the end of the month, compared with the beginning of the month, from +43°C to +40°C.
Is Riyadh warm or cold in September?
Riyadh is typically hot in September.
Maximum temperatures go down compared to the previous month from +43°C to +40°C. The minimum temperature also goes down from +29°C to +26°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
Take a look at how September is compared to other months in Riyadh:
Climate in Riyadh in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +43°C | +40°C | +35°C | ||||
| Min. temperature | ||||||
| +23°C | +18°C | +11°C | ||||
| Max. temperature | ||||||
| +47°C | +45°C | +41°C | ||||
| Rainfall | ||||||
| 0 mm | 0 mm | 1 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 1 m/s | ||||
| Humidity | ||||||
| 13% | 14% | 21% | ||||
| Air pressure | ||||||
| 1004 HPa | 1009 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 28 | 29 | 28 | ||||
| Cloudy days | ||||||
| 3 | 1 | 2 | ||||
| Rainy days | ||||||
| 0 | 0 | 0 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as good as in August. It’s getting colder in September. From +43°C in the day, the average maximum temperature lowers to +40°C. The rainfall amount in September stays the same as in the previous month with a 0 mm of total precipitation. Humidity rises from 13% to 14%. The average wind speed doesn’t change much during September, staying around 2 m/s. The good news is there are likely to be more sunny days in September, from 28 to 29.
October brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Riyadh is gradually increasing during September, going from 3 m/s to 3 m/s over the course of the month.
How was the weather last September in Riyadh?
Climate Change over Years
The climate in Riyadh in September has not changed much over the last 43 years.
The average temperature was the lowest in 1992 (+31°C) and the highest in 2021 (+34°C). The driest year was 1994 with only 12 mm of rainfall, and the wettest year was 2013 with 215 mm.
FAQ
Is September a good time to visit Riyadh?
Can you sunbathe in Riyadh in September?
Is Riyadh rainy in September?
Is it sunny in Riyadh in September?
Other cities in Saudi Arabia
Monthly weather in Riyadh
Source of the data
For this page, we’ve looked at the typical weather in Riyadh, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.