September is one of the warmer months of the year in Arar, with average highs near 38.3°C and lows around 22.1°C (mean 30.2°C). It is about average for rainfall, averaging 0 mm of rainfall and 19% relative humidity across the period.
September is one of the warmer months of the year in Arar. Across 45 years of records, the warmest September in Arar was 2020 — when the month averaged 33.3°C — while the coldest was 1997 at 28.4°C. Typical September days reach 38.3°C with nights near 22.1°C. The long-term trend is warming, about 0.5°C per decade.
September is about average for rainfall in Arar, averaging 0 mm of rainfall. The wettest September on record was 1994 with 1 mm, while the driest were 2023, 2024 and 2025, among others at 0 mm.
Relative humidity in Arar during September averages 19%. The most humid September was 2024 at 23%, and the least humid was 2004 at 14%.
September receives about 6.3 kWh/m²/day of solar energy in Arar. The sunniest Septembers were 2003 and 2004 at 6.7 kWh/m²/day, and the cloudiest was 1991 at 5.5.
Average wind speed in Arar during September is 2.3 m/s. The windiest Septembers were 1987, 1995 and 2013 at 2.6 m/s, while the calmest was 2006 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.9°C | 29.4°C | 29.8°C | 31.0°C | 31.4°C | +1.5°C |
| Avg High | 38.4°C | 37.4°C | 37.9°C | 38.9°C | 39.3°C | +0.9°C |
| Avg Low | 21.5°C | 21.3°C | 21.6°C | 23.0°C | 23.5°C | +2°C |
| Avg Rain | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm |
September temperatures in Arar have risen by about 1.2°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 14°C (1992) to a record high of 44.9°C (2021).
Rainfall in September is about average for rainfall, averaging 0 mm, with a wettest year of 1 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.6°C per decade, narrowing the gap between day and night.
A good time to visit Arar
September is a good time to visit Arar, with days averaging 38.3°C and nights around 22.1°C (mean 30.2°C, warmer than Arar's yearly average) and low rainfall. April and October 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 | 38.4°C | 30.4°C | 22.5°C | 42.6°C | 18.7°C | 0 mm | 18% | 2.2 m/s | 6.3 |
| 2024 | 38.5°C | 30.9°C | 23.3°C | 43.8°C | 19.6°C | 0 mm | 23% | 2.5 m/s | 6.3 |
| 2023 | 40.2°C | 31.9°C | 23.7°C | 44.4°C | 20.6°C | 0 mm | 17% | 2.3 m/s | 6.4 |
| 2022 | 39.4°C | 31.5°C | 23.7°C | 43.9°C | 17.2°C | 0 mm | 18% | 2.3 m/s | 6.5 |
| 2021 | 37.9°C | 30.1°C | 22.2°C | 44.9°C | 17.6°C | 0 mm | 21% | 2.3 m/s | 6.4 |
| 2020 🔥 | 41.1°C | 33.3°C | 25.4°C | 43.4°C | 21.4°C | 0 mm | 15% | 2.2 m/s | 6.3 |
| 2019 | 39.7°C | 31.4°C | 23.1°C | 43.9°C | 20.8°C | 0 mm | 20% | 2.4 m/s | 6.5 |
| 2018 | 40.4°C | 32.3°C | 24.1°C | 44.8°C | 20.6°C | 0 mm | 18% | 2.4 m/s | 6.2 |
| 2017 | 40.9°C | 32.7°C | 24.5°C | 43.9°C | 20.6°C | 0 mm | 16% | 2.3 m/s | 6.1 |
| 2016 | 37.8°C | 29.9°C | 22.0°C | 43.3°C | 15.6°C | 0 mm | 20% | 2.3 m/s | 6.4 |
| 2015 | 40.0°C | 32.3°C | 24.7°C | 42.7°C | 21.2°C | 0 mm | 18% | 2.1 m/s | 6 |
| 2014 | 37.7°C | 30.0°C | 22.3°C | 42.1°C | 18.3°C | 0 mm | 22% | 2.2 m/s | 6.5 |
| 2013 | 37.2°C | 29.3°C | 21.3°C | 43.3°C | 16.3°C | 0 mm | 20% | 2.6 m/s | 6.5 |
| 2012 | 38.6°C | 30.6°C | 22.6°C | 40.9°C | 20.2°C | 0 mm | 18% | 2.2 m/s | 6.5 |
| 2011 | 37.6°C | 29.7°C | 21.8°C | 41.5°C | 19.5°C | 0 mm | 20% | 2.3 m/s | 6.4 |
| 2010 | 39.5°C | 31.5°C | 23.5°C | 42.1°C | 21.3°C | 0 mm | 19% | 2.3 m/s | 6.1 |
| 2009 | 36.4°C | 28.7°C | 20.9°C | 40.6°C | 15.3°C | 0 mm | 23% | 2.4 m/s | 6.5 |
| 2008 | 38.8°C | 30.9°C | 23.1°C | 44.8°C | 17.4°C | 0 mm | 21% | 2.4 m/s | 6.1 |
| 2007 | 38.7°C | 30.3°C | 22.0°C | 43.0°C | 18.5°C | 0 mm | 18% | 2.3 m/s | 6.3 |
| 2006 | 38.3°C | 30.2°C | 22.1°C | 42.8°C | 17.3°C | 0 mm | 17% | 1.9 m/s | 6.6 |
| 2005 | 36.9°C | 29.0°C | 21.2°C | 41.8°C | 17.1°C | 0 mm | 20% | 2.5 m/s | 6.6 |
| 2004 | 38.9°C | 30.3°C | 21.6°C | 44.4°C | 18.5°C | 0 mm | 14% | 2.2 m/s | 6.7 |
| 2003 | 37.8°C | 29.3°C | 20.9°C | 43.3°C | 17.3°C | 0 mm | 19% | 2.3 m/s | 6.7 |
| 2002 | 38.0°C | 29.8°C | 21.6°C | 41.2°C | 19.5°C | 0 mm | 21% | 2 m/s | 6.5 |
| 2001 | 38.3°C | 30.0°C | 21.7°C | 42.1°C | 18.7°C | 0 mm | 18% | 2.4 m/s | 6.5 |
| 2000 | 37.3°C | 29.2°C | 21.1°C | 40.5°C | 19.1°C | 0 mm | 19% | 2.3 m/s | 6.6 |
| 1999 | 37.9°C | 30.0°C | 22.1°C | 42.7°C | 17.2°C | 0 mm | 19% | 2.2 m/s | 6.2 |
| 1998 | 38.1°C | 30.3°C | 22.5°C | 43.4°C | 18.8°C | 0 mm | 21% | 2.5 m/s | 6.3 |
| 1997 ❄️ | 36.8°C | 28.4°C | 19.9°C | 42.4°C | 17.8°C | 0 mm | 18% | 2.4 m/s | 6.1 |
| 1996 | 37.4°C | 29.5°C | 21.6°C | 43.2°C | 17.4°C | 0 mm | 20% | 2.4 m/s | 6.1 |
| 1995 | 37.0°C | 29.2°C | 21.4°C | 42.3°C | 15.9°C | 0 mm | 20% | 2.6 m/s | 6.1 |
| 1994 🌧️ | 37.6°C | 30.4°C | 23.3°C | 41.3°C | 20.8°C | 1 mm | 21% | 2.2 m/s | 5.9 |
| 1993 | 38.1°C | 29.7°C | 21.2°C | 41.2°C | 16.8°C | 0 mm | 16% | 2 m/s | 6.4 |
| 1992 | 36.7°C | 28.6°C | 20.5°C | 41.3°C | 14.0°C | 0 mm | 19% | 2.5 m/s | 6.1 |
| 1991 | 37.2°C | 28.8°C | 20.4°C | 41.7°C | 17.3°C | 0 mm | 19% | 2 m/s | 5.5 |
| 1990 | 37.6°C | 29.0°C | 20.4°C | 40.2°C | 18.0°C | 0 mm | 18% | 2.2 m/s | 6.3 |
| 1989 | 37.5°C | 29.2°C | 21.0°C | 41.7°C | 16.8°C | 0 mm | 19% | 2.2 m/s | 6.1 |
| 1988 | 38.3°C | 29.7°C | 21.0°C | 42.5°C | 18.1°C | 0 mm | 17% | 2.3 m/s | 6.3 |
| 1987 | 38.5°C | 30.0°C | 21.5°C | 43.0°C | 18.7°C | 0 mm | 18% | 2.6 m/s | 6.1 |
| 1986 | 40.1°C | 31.7°C | 23.4°C | 42.5°C | 20.1°C | 0 mm | 15% | 2.4 m/s | 6.4 |
| 1985 | 37.9°C | 29.3°C | 20.8°C | 41.6°C | 17.7°C | 0 mm | 17% | 2.3 m/s | 6 |
| 1984 | 38.3°C | 30.0°C | 21.7°C | 41.0°C | 18.5°C | 0 mm | 16% | 2.1 m/s | 6.1 |
| 1983 | 37.4°C | 28.9°C | 20.5°C | 40.3°C | 18.6°C | 0 mm | 18% | 2.2 m/s | — |
| 1982 | 38.6°C | 30.3°C | 22.1°C | 42.6°C | 18.4°C | 1 mm | 18% | 2.5 m/s | — |
| 1981 | 38.7°C | 30.3°C | 21.9°C | 41.9°C | 17.7°C | 0 mm | 16% | 2.4 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 38.3°C with lows near 22.1°C (mean 30.2°C), based on 45 years of NASA POWER data.
September averages 0 mm of rainfall in Arar, about average for rainfall. The wettest on record was 1 mm in 1994.
The hottest September reached 44.9°C in 2021. The coldest dipped to 14°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.2°C. Daytime highs moved from 38.2°C to 38.9°C and overnight lows from 21.4°C to 23.1°C over the same span.
September is one of the warmer months of the year in Arar and about average for rainfall, so plan for around 38.3°C daytime highs and 22.1°C at night.
Not quite — September is the 9th coolest month in Arar, averaging 30.2°C.
For September in Arar, pack light, breathable clothing and sun protection, with typical highs of 38.3°C and lows of 22.1°C.
Relative humidity in September averages 19% — relatively dry.
Average wind speed in September is 2.3 m/s. The windiest September on record averaged 2.6 m/s (1987).
The wettest September on record was 1994 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 Arar 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.
