September is one of the warmer months of the year in Aţ Ţā’if, with average highs near 36.4°C and lows around 22°C (mean 29.2°C). It is about average for rainfall, averaging 2 mm of rainfall and 23% relative humidity across the period.
September is one of the warmer months of the year in Aţ Ţā’if. Across 45 years of records, the warmest September in Aţ Ţā’if was 2023 — when the month averaged 30.8°C — while the coldest was 1986 at 27.7°C. Typical September days reach 36.4°C with nights near 22°C. The long-term trend is warming, about 0.3°C per decade.
September is about average for rainfall in Aţ Ţā’if, averaging 2 mm of rainfall. The wettest September on record was 2024 with 26 mm, while the driest were 2016, 2017 and 2025, among others at 0 mm.
Relative humidity in Aţ Ţā’if during September averages 23%. The most humid September was 2024 at 35%, and the least humid was 2004 at 19%.
September receives about 6.4 kWh/m²/day of solar energy in Aţ Ţā’if. The sunniest Septembers were 2004, 2005 and 2012 at 6.8 kWh/m²/day, and the cloudiest were 1984 and 1990 at 5.8.
Average wind speed in Aţ Ţā’if during September is 2.6 m/s. The windiest September was 2000 at 3 m/s, while the calmest were 1981 and 2001 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.7°C | 29.0°C | 29.2°C | 29.6°C | 29.6°C | +0.9°C |
| Avg High | 36.0°C | 36.1°C | 36.5°C | 36.7°C | 36.8°C | +0.8°C |
| Avg Low | 21.4°C | 21.9°C | 22.0°C | 22.3°C | 22.5°C | +1.1°C |
| Avg Rain | 3 mm | 1 mm | 1 mm | 0 mm | 10 mm | +7 mm |
September temperatures in Aţ Ţā’if have risen by about 1.1°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 15.7°C (1985) to a record high of 39.9°C (2003).
Rainfall in September is about average for rainfall, averaging 2 mm, with a wettest year of 26 mm.
A quieter season to visit Aţ Ţā’if
If your dates are flexible, the more temperate months of March and November tend to be the most comfortable for visiting Aţ Ţā’if. That said, September — with days averaging 36.4°C and nights around 22°C (mean 29.2°C) and low rainfall (2 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 37.0°C | 29.8°C | 22.6°C | 38.7°C | 20.8°C | 0 mm | 24% | 2.9 m/s | 6.4 |
| 2024 🌧️ | 36.3°C | 29.3°C | 22.2°C | 38.1°C | 19.6°C | 26 mm | 35% | 2.4 m/s | 6.4 |
| 2023 🔥 | 37.8°C | 30.8°C | 23.7°C | 39.1°C | 21.6°C | 8 mm | 21% | 2.8 m/s | 6.3 |
| 2022 | 36.7°C | 29.5°C | 22.3°C | 39.3°C | 19.0°C | 1 mm | 22% | 2.9 m/s | 6.5 |
| 2021 | 36.5°C | 29.5°C | 22.5°C | 38.8°C | 19.3°C | 14 mm | 26% | 2.6 m/s | 6.2 |
| 2020 | 36.3°C | 28.9°C | 21.6°C | 38.0°C | 19.6°C | 10 mm | 20% | 2.8 m/s | 6.7 |
| 2019 | 37.4°C | 30.3°C | 23.1°C | 39.8°C | 20.9°C | 0 mm | 23% | 2.8 m/s | 6.5 |
| 2018 | 37.4°C | 30.3°C | 23.2°C | 39.5°C | 20.8°C | 1 mm | 22% | 2.9 m/s | 6.5 |
| 2017 | 36.6°C | 29.3°C | 22.0°C | 38.8°C | 18.3°C | 0 mm | 20% | 2.9 m/s | 6.6 |
| 2016 | 36.9°C | 29.7°C | 22.4°C | 39.6°C | 19.2°C | 0 mm | 25% | 2.7 m/s | 6.4 |
| 2015 | 37.2°C | 30.2°C | 23.1°C | 39.8°C | 19.5°C | 0 mm | 23% | 2.4 m/s | 6.5 |
| 2014 | 36.2°C | 29.2°C | 22.1°C | 38.3°C | 19.2°C | 3 mm | 26% | 2.5 m/s | 6.4 |
| 2013 | 36.8°C | 29.6°C | 22.3°C | 38.8°C | 19.9°C | 0 mm | 22% | 2.7 m/s | 6.4 |
| 2012 | 36.2°C | 28.8°C | 21.4°C | 39.5°C | 18.5°C | 0 mm | 20% | 2.8 m/s | 6.8 |
| 2011 | 36.1°C | 29.0°C | 21.8°C | 37.7°C | 20.0°C | 0 mm | 23% | 2.4 m/s | 6.5 |
| 2010 | 36.7°C | 29.4°C | 22.0°C | 39.2°C | 18.0°C | 0 mm | 21% | 2.9 m/s | 6.7 |
| 2009 | 36.7°C | 29.5°C | 22.2°C | 39.1°C | 20.0°C | 5 mm | 23% | 2.5 m/s | 6.7 |
| 2008 | 37.0°C | 29.9°C | 22.9°C | 39.3°C | 20.4°C | 0 mm | 25% | 2.3 m/s | 6.1 |
| 2007 | 36.8°C | 29.4°C | 22.1°C | 39.6°C | 19.9°C | 1 mm | 23% | 2.8 m/s | 6.5 |
| 2006 | 36.1°C | 28.9°C | 21.7°C | 37.9°C | 19.0°C | 0 mm | 24% | 2.5 m/s | 6.7 |
| 2005 | 36.8°C | 29.4°C | 22.0°C | 39.6°C | 18.8°C | 0 mm | 21% | 2.6 m/s | 6.8 |
| 2004 | 36.6°C | 29.0°C | 21.5°C | 38.8°C | 17.4°C | 0 mm | 19% | 2.9 m/s | 6.8 |
| 2003 | 36.4°C | 28.9°C | 21.5°C | 39.9°C | 18.9°C | 0 mm | 23% | 2.8 m/s | 6.7 |
| 2002 | 36.6°C | 29.4°C | 22.2°C | 38.9°C | 20.2°C | 0 mm | 22% | 2.6 m/s | 6.6 |
| 2001 | 36.6°C | 29.5°C | 22.3°C | 38.9°C | 20.6°C | 0 mm | 26% | 2.2 m/s | 6.5 |
| 2000 | 35.5°C | 28.3°C | 21.2°C | 38.2°C | 19.0°C | 0 mm | 21% | 3 m/s | 6.3 |
| 1999 | 36.4°C | 29.6°C | 22.7°C | 38.4°C | 21.1°C | 0 mm | 31% | 2.5 m/s | 6 |
| 1998 | 36.6°C | 29.8°C | 23.0°C | 39.2°C | 21.0°C | 0 mm | 27% | 2.5 m/s | 6.5 |
| 1997 | 36.7°C | 29.5°C | 22.4°C | 38.6°C | 20.6°C | 2 mm | 26% | 2.5 m/s | 6.4 |
| 1996 | 36.2°C | 28.9°C | 21.6°C | 38.3°C | 17.2°C | 0 mm | 21% | 2.5 m/s | 6.3 |
| 1995 | 36.1°C | 28.8°C | 21.6°C | 37.4°C | 19.1°C | 0 mm | 23% | 2.4 m/s | 6.4 |
| 1994 | 34.7°C | 27.9°C | 21.0°C | 36.7°C | 17.4°C | 0 mm | 27% | 2.7 m/s | 6.2 |
| 1993 | 36.5°C | 29.3°C | 22.2°C | 39.1°C | 18.9°C | 0 mm | 24% | 2.5 m/s | 5.9 |
| 1992 | 35.1°C | 28.0°C | 20.9°C | 36.7°C | 19.0°C | 0 mm | 21% | 2.6 m/s | 6 |
| 1991 | 36.5°C | 29.0°C | 21.5°C | 37.8°C | 18.6°C | 0 mm | 21% | 2.5 m/s | 5.9 |
| 1990 | 36.5°C | 29.1°C | 21.6°C | 38.5°C | 18.5°C | 2 mm | 22% | 2.6 m/s | 5.8 |
| 1989 | 35.8°C | 28.6°C | 21.3°C | 38.3°C | 17.2°C | 0 mm | 20% | 2.9 m/s | 5.9 |
| 1988 | 36.2°C | 29.0°C | 21.9°C | 38.6°C | 17.7°C | 0 mm | 19% | 2.8 m/s | 6.2 |
| 1987 | 37.3°C | 29.9°C | 22.5°C | 38.9°C | 20.4°C | 0 mm | 23% | 2.4 m/s | 6.3 |
| 1986 ❄️ | 34.9°C | 27.7°C | 20.4°C | 37.8°C | 18.7°C | 19 mm | 31% | 2.6 m/s | 6.6 |
| 1985 | 36.0°C | 28.7°C | 21.4°C | 37.7°C | 15.7°C | 2 mm | 23% | 2.6 m/s | 5.9 |
| 1984 | 35.5°C | 28.5°C | 21.5°C | 37.6°C | 18.8°C | 0 mm | 23% | 2.3 m/s | 5.8 |
| 1983 | 36.4°C | 28.8°C | 21.2°C | 37.8°C | 18.8°C | 0 mm | 21% | 2.6 m/s | — |
| 1982 | 36.1°C | 28.8°C | 21.5°C | 38.0°C | 19.0°C | 0 mm | 22% | 2.4 m/s | — |
| 1981 | 35.9°C | 28.6°C | 21.3°C | 37.9°C | 17.6°C | 10 mm | 23% | 2.2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 36.4°C with lows near 22°C (mean 29.2°C), based on 45 years of NASA POWER data.
September averages 2 mm of rainfall in Aţ Ţā’if, about average for rainfall. The wettest on record was 26 mm in 2024.
The hottest September reached 39.9°C in 2003. The coldest dipped to 15.7°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.1°C. Daytime highs moved from 36°C to 36.9°C and overnight lows from 21.4°C to 22.7°C over the same span.
September is one of the warmer months of the year in Aţ Ţā’if and about average for rainfall, so plan for around 36.4°C daytime highs and 22°C at night.
Not quite — September is the 9th coolest month in Aţ Ţā’if, averaging 29.2°C.
For September in Aţ Ţā’if, pack light, breathable clothing and sun protection, with typical highs of 36.4°C and lows of 22°C.
Relative humidity in September averages 23% — relatively dry.
Average wind speed in September is 2.6 m/s. The windiest September on record averaged 3 m/s (2000).
The wettest September on record was 2024 with 26 mm. On average, September sees 2 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Aţ Ţā’if behaves each September, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for September specifically, along with year-by-year records and how the month has changed over the decades.
