September is one of the warmer months of the year in Abqaiq, with average highs near 42.2°C and lows around 26.2°C (mean 34.2°C). It is about average for rainfall, averaging 0 mm of rainfall and 28% relative humidity across the period.
September is one of the warmer months of the year in Abqaiq. Across 45 years of records, the warmest September in Abqaiq was 2018 — when the month averaged 36.2°C — while the coldest was 1983 at 32.1°C. Typical September days reach 42.2°C with nights near 26.2°C. The long-term trend is warming, about 0.5°C per decade.
September is about average for rainfall in Abqaiq, averaging 0 mm of rainfall. The wettest September on record was 1982 with 1 mm, while the driest were 2023, 2024 and 2025, among others at 0 mm.
Relative humidity in Abqaiq during September averages 28%. The most humid September was 1998 at 35%, and the least humid was 1990 at 22%.
September receives about 6.6 kWh/m²/day of solar energy in Abqaiq. The sunniest Septembers were 2006, 2007 and 2020, among others at 6.8 kWh/m²/day, and the cloudiest was 1991 at 5.8.
Average wind speed in Abqaiq during September is 2.7 m/s. The windiest September was 2025 at 3.3 m/s, while the calmest was 1982 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 33.3°C | 33.8°C | 34.0°C | 34.9°C | 35.3°C | +2°C |
| Avg High | 41.4°C | 41.9°C | 42.0°C | 42.7°C | 43.1°C | +1.7°C |
| Avg Low | 25.1°C | 25.8°C | 25.9°C | 26.9°C | 27.5°C | +2.4°C |
| Avg Rain | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm |
September temperatures in Abqaiq have risen by about 2.2°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 18.9°C (1983) to a record high of 48.5°C (2016).
Rainfall in September is about average for rainfall, averaging 0 mm, with a wettest year of 1 mm.
A quieter season to visit Abqaiq
If your dates are flexible, the more temperate months of November and March tend to be the most comfortable for visiting Abqaiq. That said, September — with days averaging 42.2°C and nights around 26.2°C (mean 34.2°C) and low rainfall (0 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 | 42.9°C | 35.1°C | 27.4°C | 46.2°C | 23.9°C | 0 mm | 26% | 3.3 m/s | 6.4 |
| 2024 | 43.2°C | 35.7°C | 28.2°C | 47.3°C | 24.4°C | 0 mm | 27% | 3 m/s | 6.5 |
| 2023 | 44.0°C | 36.1°C | 28.1°C | 46.7°C | 24.4°C | 0 mm | 24% | 2.8 m/s | 6.5 |
| 2022 | 42.8°C | 35.0°C | 27.2°C | 46.6°C | 21.8°C | 0 mm | 26% | 2.8 m/s | 6.5 |
| 2021 | 42.2°C | 34.4°C | 26.6°C | 46.6°C | 21.6°C | 0 mm | 23% | 3.2 m/s | 6.7 |
| 2020 | 43.4°C | 35.4°C | 27.5°C | 45.9°C | 24.4°C | 0 mm | 24% | 2.3 m/s | 6.8 |
| 2019 | 43.9°C | 35.8°C | 27.7°C | 48.0°C | 24.7°C | 0 mm | 26% | 2.8 m/s | 6.7 |
| 2018 🔥 | 44.2°C | 36.2°C | 28.2°C | 46.5°C | 25.6°C | 0 mm | 28% | 2.1 m/s | 6.6 |
| 2017 | 43.5°C | 35.3°C | 27.1°C | 46.4°C | 24.4°C | 0 mm | 27% | 2.1 m/s | 6.7 |
| 2016 | 42.2°C | 34.4°C | 26.6°C | 48.5°C | 22.5°C | 0 mm | 27% | 3.2 m/s | 6.6 |
| 2015 | 42.6°C | 35.1°C | 27.6°C | 45.7°C | 23.3°C | 0 mm | 30% | 2.6 m/s | 6.5 |
| 2014 | 42.0°C | 34.4°C | 26.7°C | 45.4°C | 23.4°C | 0 mm | 29% | 2.7 m/s | 6.7 |
| 2013 | 41.8°C | 33.8°C | 25.9°C | 46.5°C | 20.6°C | 0 mm | 28% | 2.8 m/s | 6.7 |
| 2012 | 41.7°C | 33.8°C | 25.8°C | 45.0°C | 22.4°C | 0 mm | 26% | 3.1 m/s | 6.7 |
| 2011 | 42.5°C | 34.5°C | 26.5°C | 45.1°C | 23.9°C | 0 mm | 26% | 2.8 m/s | 6.7 |
| 2010 | 43.0°C | 35.2°C | 27.3°C | 46.2°C | 24.0°C | 0 mm | 29% | 2.4 m/s | 6.6 |
| 2009 | 42.1°C | 34.4°C | 26.6°C | 45.5°C | 22.9°C | 0 mm | 26% | 3.2 m/s | 6.6 |
| 2008 | 42.6°C | 34.9°C | 27.2°C | 46.8°C | 23.2°C | 0 mm | 29% | 2.7 m/s | 6.4 |
| 2007 | 42.7°C | 34.4°C | 26.2°C | 46.7°C | 21.7°C | 0 mm | 29% | 2.7 m/s | 6.8 |
| 2006 | 41.5°C | 33.3°C | 25.2°C | 45.0°C | 21.4°C | 0 mm | 29% | 2.4 m/s | 6.8 |
| 2005 | 41.7°C | 33.6°C | 25.5°C | 45.0°C | 22.7°C | 0 mm | 25% | 3 m/s | 6.7 |
| 2004 | 41.7°C | 33.5°C | 25.2°C | 45.4°C | 21.1°C | 0 mm | 32% | 2.5 m/s | 6.7 |
| 2003 | 41.8°C | 33.7°C | 25.5°C | 46.1°C | 22.5°C | 0 mm | 25% | 2.8 m/s | 6.8 |
| 2002 | 42.3°C | 34.1°C | 25.9°C | 45.1°C | 23.2°C | 0 mm | 26% | 2.8 m/s | 6.6 |
| 2001 | 42.5°C | 34.5°C | 26.5°C | 46.2°C | 24.3°C | 0 mm | 26% | 2.5 m/s | 6.6 |
| 2000 | 41.1°C | 33.2°C | 25.2°C | 42.4°C | 23.3°C | 0 mm | 28% | 2.7 m/s | 6.7 |
| 1999 | 42.6°C | 34.8°C | 26.9°C | 47.4°C | 23.3°C | 0 mm | 30% | 2.9 m/s | 6.3 |
| 1998 | 43.4°C | 35.5°C | 27.6°C | 46.3°C | 24.3°C | 0 mm | 35% | 2.3 m/s | 6.7 |
| 1997 | 42.6°C | 34.2°C | 25.9°C | 44.6°C | 21.1°C | 0 mm | 26% | 2.4 m/s | 6.6 |
| 1996 | 41.6°C | 33.8°C | 26.0°C | 45.2°C | 21.0°C | 0 mm | 29% | 2.9 m/s | 6.6 |
| 1995 | 40.9°C | 32.9°C | 24.8°C | 44.5°C | 19.4°C | 0 mm | 29% | 2.8 m/s | 6.7 |
| 1994 | 41.2°C | 33.7°C | 26.2°C | 43.3°C | 24.0°C | 0 mm | 33% | 2.5 m/s | 6.3 |
| 1993 | 41.7°C | 33.3°C | 25.0°C | 44.8°C | 22.5°C | 0 mm | 28% | 2.5 m/s | 6.8 |
| 1992 | 41.5°C | 33.5°C | 25.6°C | 43.8°C | 22.2°C | 0 mm | 28% | 2.4 m/s | 6.7 |
| 1991 | 41.1°C | 32.9°C | 24.7°C | 43.8°C | 23.0°C | 0 mm | 29% | 2.9 m/s | 5.8 |
| 1990 | 42.1°C | 33.8°C | 25.5°C | 44.7°C | 22.0°C | 0 mm | 22% | 3 m/s | 6.7 |
| 1989 | 40.7°C | 32.7°C | 24.6°C | 44.9°C | 20.8°C | 0 mm | 31% | 2.7 m/s | 6.4 |
| 1988 | 42.1°C | 33.8°C | 25.5°C | 46.2°C | 22.4°C | 0 mm | 31% | 2.8 m/s | 6.5 |
| 1987 | 42.1°C | 33.8°C | 25.5°C | 45.0°C | 23.4°C | 0 mm | 31% | 2.6 m/s | 6.6 |
| 1986 | 41.7°C | 33.8°C | 26.0°C | 43.9°C | 24.6°C | 0 mm | 34% | 2.1 m/s | 6.7 |
| 1985 | 41.2°C | 32.9°C | 24.7°C | 44.3°C | 20.6°C | 0 mm | 31% | 2.1 m/s | 6.6 |
| 1984 | 40.9°C | 32.7°C | 24.5°C | 44.5°C | 22.3°C | 0 mm | 29% | 2.7 m/s | 6.8 |
| 1983 ❄️ | 40.2°C | 32.1°C | 23.9°C | 43.0°C | 18.9°C | 0 mm | 25% | 2.7 m/s | — |
| 1982 🌧️ | 42.4°C | 34.3°C | 26.1°C | 45.1°C | 23.9°C | 1 mm | 28% | 1.9 m/s | — |
| 1981 | 41.7°C | 33.4°C | 25.2°C | 43.6°C | 21.3°C | 0 mm | 30% | 2.2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 42.2°C with lows near 26.2°C (mean 34.2°C), based on 45 years of NASA POWER data.
September averages 0 mm of rainfall in Abqaiq, about average for rainfall. The wettest on record was 1 mm in 1982.
The hottest September reached 48.5°C in 2016. The coldest dipped to 18.9°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 2.2°C. Daytime highs moved from 41.3°C to 43°C and overnight lows from 24.9°C to 27.5°C over the same span.
September is one of the warmer months of the year in Abqaiq and about average for rainfall, so plan for around 42.2°C daytime highs and 26.2°C at night.
Not quite — September is the 9th coolest month in Abqaiq, averaging 34.2°C.
For September in Abqaiq, pack light, breathable clothing and sun protection, with typical highs of 42.2°C and lows of 26.2°C.
Relative humidity in September averages 28% — relatively dry.
Average wind speed in September is 2.7 m/s. The windiest September on record averaged 3.3 m/s (2025).
The wettest September on record was 1982 with 1 mm. On average, September sees 0 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 Abqaiq 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.
