September is one of the warmer months of the year in Al Jubayl, with average highs near 40°C and lows around 27.7°C (mean 33.9°C). It is about average for rainfall, averaging 0 mm of rainfall and 42% relative humidity across the period.
September is one of the warmer months of the year in Al Jubayl. Across 45 years of records, the warmest September in Al Jubayl was 2023 — when the month averaged 35.8°C — while the coldest was 1983 at 32°C. Typical September days reach 40°C with nights near 27.7°C. The long-term trend is warming, about 0.6°C per decade.
September is about average for rainfall in Al Jubayl, averaging 0 mm of rainfall. The wettest September on record was 1982 with 3 mm, while the driest were 2023, 2024 and 2025, among others at 0 mm.
Relative humidity in Al Jubayl during September averages 42%. The most humid September was 1998 at 47%, and the least humid was 2020 at 38%.
September receives about 5.7 kWh/m²/day of solar energy in Al Jubayl. The sunniest Septembers were 2004, 2023 and 2024 at 6.1 kWh/m²/day, and the cloudiest was 1987 at 5.2.
Average wind speed in Al Jubayl during September is 3 m/s. The windiest September was 2021 at 3.8 m/s, while the calmest was 1986 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 33.0°C | 33.5°C | 33.6°C | 34.6°C | 35.1°C | +2.1°C |
| Avg High | 39.4°C | 39.6°C | 39.8°C | 40.6°C | 41.1°C | +1.7°C |
| Avg Low | 26.7°C | 27.3°C | 27.5°C | 28.5°C | 29.1°C | +2.4°C |
| Avg Rain | 1 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm |
September temperatures in Al Jubayl have risen by about 2.3°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 21.8°C (1983) to a record high of 47.4°C (2016).
Rainfall in September is about average for rainfall, averaging 0 mm, with a wettest year of 3 mm.
A quieter season to visit Al Jubayl
If your dates are flexible, the more temperate months of March and November tend to be the most comfortable for visiting Al Jubayl. That said, September — with days averaging 40°C and nights around 27.7°C (mean 33.9°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 | 40.6°C | 34.9°C | 29.1°C | 43.5°C | 25.0°C | 0 mm | 40% | 3.7 m/s | 5.9 |
| 2024 | 41.1°C | 35.4°C | 29.6°C | 44.5°C | 26.0°C | 0 mm | 40% | 3.4 m/s | 6.1 |
| 2023 🔥 | 41.8°C | 35.8°C | 29.8°C | 45.0°C | 27.1°C | 0 mm | 40% | 3.2 m/s | 6.1 |
| 2022 | 41.2°C | 35.0°C | 28.9°C | 45.1°C | 23.3°C | 0 mm | 40% | 3.1 m/s | 5.9 |
| 2021 | 40.3°C | 34.5°C | 28.6°C | 45.0°C | 25.0°C | 0 mm | 40% | 3.8 m/s | 5.9 |
| 2020 | 41.7°C | 35.2°C | 28.8°C | 43.8°C | 26.3°C | 0 mm | 38% | 2.5 m/s | 6 |
| 2019 | 41.4°C | 35.4°C | 29.3°C | 44.2°C | 26.3°C | 0 mm | 42% | 3.3 m/s | 5.9 |
| 2018 | 41.6°C | 35.3°C | 29.1°C | 43.4°C | 26.8°C | 0 mm | 44% | 2.4 m/s | 5.8 |
| 2017 | 41.8°C | 35.2°C | 28.6°C | 44.4°C | 25.8°C | 0 mm | 40% | 2.5 m/s | 5.8 |
| 2016 | 39.8°C | 34.1°C | 28.3°C | 47.4°C | 24.7°C | 0 mm | 42% | 3.7 m/s | 5.8 |
| 2015 | 40.7°C | 34.9°C | 29.1°C | 42.8°C | 25.6°C | 0 mm | 43% | 2.9 m/s | 5.7 |
| 2014 | 39.9°C | 34.1°C | 28.3°C | 42.8°C | 24.7°C | 0 mm | 43% | 3.3 m/s | 6 |
| 2013 | 39.8°C | 33.8°C | 27.8°C | 44.6°C | 23.2°C | 0 mm | 42% | 3.2 m/s | 5.8 |
| 2012 | 39.5°C | 33.6°C | 27.8°C | 41.7°C | 24.6°C | 0 mm | 41% | 3.5 m/s | 5.9 |
| 2011 | 40.3°C | 34.2°C | 28.1°C | 42.4°C | 26.1°C | 0 mm | 43% | 3.2 m/s | 5.9 |
| 2010 | 41.0°C | 34.9°C | 28.7°C | 45.0°C | 26.5°C | 0 mm | 43% | 2.9 m/s | 5.7 |
| 2009 | 39.7°C | 33.9°C | 28.1°C | 43.9°C | 24.9°C | 0 mm | 39% | 3.6 m/s | 5.8 |
| 2008 | 40.2°C | 34.4°C | 28.5°C | 44.7°C | 25.5°C | 0 mm | 46% | 3.2 m/s | 5.5 |
| 2007 | 40.5°C | 34.2°C | 27.9°C | 43.6°C | 23.2°C | 0 mm | 44% | 2.9 m/s | 6 |
| 2006 | 39.5°C | 33.2°C | 26.9°C | 42.6°C | 23.4°C | 0 mm | 43% | 2.8 m/s | 5.7 |
| 2005 | 39.4°C | 33.4°C | 27.3°C | 42.7°C | 25.4°C | 0 mm | 40% | 3.4 m/s | 5.7 |
| 2004 | 39.3°C | 32.9°C | 26.4°C | 42.5°C | 22.5°C | 0 mm | 46% | 2.7 m/s | 6.1 |
| 2003 | 39.6°C | 33.5°C | 27.4°C | 43.0°C | 25.1°C | 0 mm | 41% | 3.2 m/s | 5.7 |
| 2002 | 40.0°C | 33.8°C | 27.6°C | 42.0°C | 25.5°C | 0 mm | 43% | 3.2 m/s | 5.5 |
| 2001 | 40.3°C | 34.1°C | 28.0°C | 43.1°C | 25.4°C | 0 mm | 42% | 2.9 m/s | 5.9 |
| 2000 | 39.0°C | 32.9°C | 26.7°C | 40.2°C | 24.5°C | 0 mm | 44% | 3.1 m/s | 5.6 |
| 1999 | 40.3°C | 34.5°C | 28.7°C | 44.4°C | 25.1°C | 0 mm | 45% | 3.3 m/s | 5.7 |
| 1998 | 41.1°C | 35.2°C | 29.2°C | 43.5°C | 26.5°C | 0 mm | 47% | 2.8 m/s | 5.8 |
| 1997 | 40.1°C | 33.5°C | 26.9°C | 42.8°C | 22.6°C | 0 mm | 41% | 2.8 m/s | 5.7 |
| 1996 | 39.4°C | 33.5°C | 27.7°C | 42.1°C | 24.7°C | 0 mm | 43% | 3.4 m/s | 5.5 |
| 1995 | 38.9°C | 32.7°C | 26.6°C | 42.3°C | 21.8°C | 0 mm | 42% | 3.2 m/s | 5.7 |
| 1994 | 39.3°C | 33.5°C | 27.8°C | 40.9°C | 25.6°C | 0 mm | 45% | 2.7 m/s | 5.4 |
| 1993 | 39.6°C | 33.1°C | 26.7°C | 42.6°C | 25.0°C | 0 mm | 41% | 2.8 m/s | 5.5 |
| 1992 | 39.5°C | 33.2°C | 26.9°C | 42.3°C | 24.5°C | 0 mm | 44% | 2.7 m/s | 5.6 |
| 1991 | 38.5°C | 32.3°C | 26.0°C | 42.3°C | 24.6°C | 0 mm | 44% | 3.2 m/s | 5.5 |
| 1990 | 39.7°C | 33.3°C | 26.9°C | 42.3°C | 23.6°C | 0 mm | 39% | 3.4 m/s | 5.7 |
| 1989 | 38.7°C | 32.5°C | 26.3°C | 43.9°C | 22.5°C | 0 mm | 43% | 3 m/s | 5.6 |
| 1988 | 39.8°C | 33.4°C | 27.1°C | 44.2°C | 24.7°C | 0 mm | 44% | 3 m/s | 5.4 |
| 1987 | 39.7°C | 33.3°C | 26.9°C | 41.9°C | 25.1°C | 0 mm | 46% | 2.7 m/s | 5.2 |
| 1986 | 39.8°C | 33.8°C | 27.9°C | 42.1°C | 26.0°C | 1 mm | 46% | 2.3 m/s | 5.4 |
| 1985 | 39.1°C | 32.6°C | 26.0°C | 42.7°C | 22.3°C | 0 mm | 43% | 2.4 m/s | 5.5 |
| 1984 | 38.4°C | 32.1°C | 25.7°C | 41.9°C | 23.8°C | 0 mm | 43% | 2.8 m/s | 5.3 |
| 1983 ❄️ | 38.3°C | 32.0°C | 25.6°C | 40.6°C | 21.8°C | 0 mm | 39% | 3 m/s | — |
| 1982 🌧️ | 40.5°C | 33.9°C | 27.2°C | 42.6°C | 24.7°C | 3 mm | 43% | 2.4 m/s | — |
| 1981 | 39.9°C | 33.6°C | 27.2°C | 41.7°C | 23.4°C | 1 mm | 44% | 2.5 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 40°C with lows near 27.7°C (mean 33.9°C), based on 45 years of NASA POWER data.
September averages 0 mm of rainfall in Al Jubayl, about average for rainfall. The wettest on record was 3 mm in 1982.
The hottest September reached 47.4°C in 2016. The coldest dipped to 21.8°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 2.3°C. Daytime highs moved from 39.2°C to 41°C and overnight lows from 26.3°C to 29.2°C over the same span.
September is one of the warmer months of the year in Al Jubayl and about average for rainfall, so plan for around 40°C daytime highs and 27.7°C at night.
Not quite — September is the 9th coolest month in Al Jubayl, averaging 33.9°C.
For September in Al Jubayl, pack light, breathable clothing and sun protection, with typical highs of 40°C and lows of 27.7°C.
Relative humidity in September averages 42% — relatively dry.
Average wind speed in September is 3 m/s. The windiest September on record averaged 3.8 m/s (2021).
The wettest September on record was 1982 with 3 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 Al Jubayl 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.
