September is one of the warmer months of the year in Ash Shinān, with average highs near 39.3°C and lows around 22.8°C (mean 31.1°C). It is about average for rainfall, averaging 0 mm of rainfall and 15% relative humidity across the period.
September is one of the warmer months of the year in Ash Shinān. Across 45 years of records, the warmest September in Ash Shinān was 2018 — when the month averaged 33.4°C — while the coldest was 1995 at 29.4°C. Typical September days reach 39.3°C with nights near 22.8°C. The long-term trend is warming, about 0.4°C per decade.
September is about average for rainfall in Ash Shinān, averaging 0 mm of rainfall. The wettest September on record was 1982 with 2 mm, while the driest were 2023, 2024 and 2025, among others at 0 mm.
Relative humidity in Ash Shinān during September averages 15%. The most humid September was 2024 at 19%, and the least humid was 1981 at 12%.
September receives about 6.6 kWh/m²/day of solar energy in Ash Shinān. The sunniest Septembers were 1998 and 2004 at 7 kWh/m²/day, and the cloudiest was 1986 at 6.
Average wind speed in Ash Shinān during September is 2.7 m/s. The windiest Septembers were 1981 and 1998 at 3.1 m/s, while the calmest was 1993 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 30.7°C | 30.6°C | 30.8°C | 31.6°C | 31.9°C | +1.2°C |
| Avg High | 39.1°C | 38.8°C | 39.1°C | 39.7°C | 39.9°C | +0.8°C |
| Avg Low | 22.2°C | 22.4°C | 22.5°C | 23.5°C | 23.8°C | +1.6°C |
| Avg Rain | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm |
September temperatures in Ash Shinān have risen by about 1.3°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 16.2°C (1992) to a record high of 44.1°C (2019).
Rainfall in September is about average for rainfall, averaging 0 mm, with a wettest year of 2 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
A good time to visit Ash Shinān
September is a good time to visit Ash Shinān, with days averaging 39.3°C and nights around 22.8°C (mean 31.1°C, warmer than Ash Shinān's yearly average) and low rainfall. April and November are marginally more temperate, but September still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 40.0°C | 31.6°C | 23.2°C | 42.0°C | 20.1°C | 0 mm | 16% | 2.7 m/s | 6.6 |
| 2024 | 40.2°C | 32.2°C | 24.2°C | 42.7°C | 20.7°C | 0 mm | 19% | 2.5 m/s | 6.5 |
| 2023 | 41.0°C | 32.8°C | 24.7°C | 42.6°C | 21.9°C | 0 mm | 14% | 2.8 m/s | 6.5 |
| 2022 | 39.5°C | 31.6°C | 23.6°C | 42.6°C | 16.9°C | 0 mm | 14% | 2.5 m/s | 6.7 |
| 2021 | 39.1°C | 31.2°C | 23.2°C | 42.8°C | 19.8°C | 0 mm | 16% | 2.9 m/s | 6.7 |
| 2020 | 39.5°C | 31.7°C | 23.8°C | 41.2°C | 20.3°C | 0 mm | 14% | 2.9 m/s | 6.7 |
| 2019 | 40.7°C | 32.5°C | 24.3°C | 44.1°C | 21.6°C | 0 mm | 16% | 2.9 m/s | 6.7 |
| 2018 🔥 | 41.1°C | 33.4°C | 25.6°C | 43.8°C | 22.9°C | 0 mm | 15% | 2.5 m/s | 6.4 |
| 2017 | 39.6°C | 31.7°C | 23.7°C | 42.1°C | 20.9°C | 0 mm | 12% | 2.8 m/s | 6.6 |
| 2016 | 39.5°C | 31.3°C | 23.1°C | 43.1°C | 18.3°C | 0 mm | 15% | 2.5 m/s | 6.6 |
| 2015 | 40.1°C | 32.3°C | 24.6°C | 41.6°C | 22.1°C | 0 mm | 15% | 2.5 m/s | 6.4 |
| 2014 | 39.3°C | 31.1°C | 22.9°C | 42.5°C | 19.8°C | 0 mm | 15% | 2.7 m/s | 6.7 |
| 2013 | 38.9°C | 30.7°C | 22.5°C | 42.4°C | 16.5°C | 0 mm | 16% | 2.6 m/s | 6.7 |
| 2012 | 38.7°C | 30.4°C | 22.0°C | 40.4°C | 20.6°C | 0 mm | 15% | 2.8 m/s | 6.7 |
| 2011 | 39.3°C | 31.2°C | 23.1°C | 41.6°C | 20.6°C | 0 mm | 15% | 2.5 m/s | 6.6 |
| 2010 | 39.7°C | 31.7°C | 23.6°C | 42.7°C | 21.3°C | 0 mm | 15% | 2.6 m/s | 6.6 |
| 2009 | 39.4°C | 30.7°C | 22.0°C | 43.1°C | 17.6°C | 0 mm | 16% | 2.6 m/s | 6.7 |
| 2008 | 39.6°C | 31.7°C | 23.8°C | 43.3°C | 19.2°C | 0 mm | 16% | 2.6 m/s | 6.3 |
| 2007 | 39.6°C | 31.5°C | 23.5°C | 43.9°C | 19.6°C | 0 mm | 14% | 2.8 m/s | 6.6 |
| 2006 | 38.8°C | 30.6°C | 22.3°C | 41.8°C | 17.6°C | 0 mm | 14% | 2.9 m/s | 6.8 |
| 2005 | 38.4°C | 30.1°C | 21.7°C | 42.9°C | 18.0°C | 0 mm | 15% | 2.5 m/s | 6.9 |
| 2004 | 38.9°C | 30.3°C | 21.7°C | 42.1°C | 18.0°C | 0 mm | 12% | 2.8 m/s | 7 |
| 2003 | 38.7°C | 30.3°C | 22.0°C | 42.3°C | 19.4°C | 0 mm | 14% | 2.6 m/s | 6.9 |
| 2002 | 39.5°C | 31.1°C | 22.6°C | 42.5°C | 19.8°C | 0 mm | 14% | 2.8 m/s | 6.6 |
| 2001 | 39.4°C | 31.6°C | 23.7°C | 42.3°C | 21.1°C | 0 mm | 16% | 2.5 m/s | 6.4 |
| 2000 | 38.2°C | 29.9°C | 21.6°C | 40.3°C | 19.1°C | 0 mm | 14% | 2.7 m/s | 6.7 |
| 1999 | 39.7°C | 31.8°C | 23.9°C | 42.7°C | 17.5°C | 0 mm | 15% | 2.5 m/s | 6.4 |
| 1998 | 40.2°C | 32.2°C | 24.2°C | 42.6°C | 21.8°C | 0 mm | 16% | 3.1 m/s | 7 |
| 1997 | 40.0°C | 31.3°C | 22.7°C | 42.8°C | 20.3°C | 0 mm | 13% | 2.8 m/s | 6.7 |
| 1996 | 37.9°C | 29.9°C | 22.0°C | 41.8°C | 17.1°C | 0 mm | 15% | 2.5 m/s | 6.6 |
| 1995 ❄️ | 37.6°C | 29.4°C | 21.1°C | 40.8°C | 17.7°C | 0 mm | 16% | 2.4 m/s | 6.8 |
| 1994 | 37.4°C | 29.9°C | 22.3°C | 40.6°C | 19.0°C | 0 mm | 17% | 2.5 m/s | 6.1 |
| 1993 | 38.9°C | 30.6°C | 22.3°C | 41.4°C | 19.5°C | 0 mm | 13% | 2.3 m/s | 6.7 |
| 1992 | 37.9°C | 29.9°C | 22.0°C | 39.5°C | 16.2°C | 0 mm | 15% | 2.8 m/s | 6.3 |
| 1991 | 39.2°C | 30.6°C | 22.0°C | 41.7°C | 19.9°C | 0 mm | 15% | 2.4 m/s | 6.4 |
| 1990 | 39.0°C | 30.5°C | 22.0°C | 41.8°C | 18.2°C | 0 mm | 14% | 2.4 m/s | 6.6 |
| 1989 | 38.0°C | 30.1°C | 22.2°C | 41.3°C | 17.9°C | 0 mm | 13% | 2.5 m/s | 6.6 |
| 1988 | 39.0°C | 30.6°C | 22.1°C | 42.1°C | 19.2°C | 0 mm | 13% | 2.6 m/s | 6.1 |
| 1987 | 40.4°C | 31.7°C | 22.9°C | 42.7°C | 19.8°C | 0 mm | 15% | 2.6 m/s | 6.2 |
| 1986 | 39.1°C | 30.7°C | 22.3°C | 41.6°C | 19.3°C | 0 mm | 13% | 2.8 m/s | 6 |
| 1985 | 38.9°C | 30.3°C | 21.7°C | 41.1°C | 18.4°C | 0 mm | 13% | 2.8 m/s | 6.9 |
| 1984 | 38.7°C | 30.7°C | 22.7°C | 40.4°C | 19.2°C | 0 mm | 15% | 3 m/s | 6.2 |
| 1983 | 38.9°C | 29.8°C | 20.7°C | 40.9°C | 19.2°C | 0 mm | 14% | 2.6 m/s | — |
| 1982 🌧️ | 40.3°C | 31.9°C | 23.4°C | 42.1°C | 20.8°C | 2 mm | 13% | 2.9 m/s | — |
| 1981 | 39.0°C | 30.3°C | 21.7°C | 40.6°C | 18.4°C | 0 mm | 12% | 3.1 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 39.3°C with lows near 22.8°C (mean 31.1°C), based on 45 years of NASA POWER data.
September averages 0 mm of rainfall in Ash Shinān, about average for rainfall. The wettest on record was 2 mm in 1982.
The hottest September reached 44.1°C in 2019. The coldest dipped to 16.2°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.3°C. Daytime highs moved from 39.2°C to 40°C and overnight lows from 22°C to 23.8°C over the same span.
September is one of the warmer months of the year in Ash Shinān and about average for rainfall, so plan for around 39.3°C daytime highs and 22.8°C at night.
Not quite — September is the 9th coolest month in Ash Shinān, averaging 31.1°C.
For September in Ash Shinān, pack light, breathable clothing and sun protection, with typical highs of 39.3°C and lows of 22.8°C.
Relative humidity in September averages 15% — relatively dry.
Average wind speed in September is 2.7 m/s. The windiest September on record averaged 3.1 m/s (1981).
The wettest September on record was 1982 with 2 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 Ash Shinān 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.
