Hassi Messaoud Weather in September
Average highs run from 40°C on September 1 to 34°C on September 30, and lows from 26°C to 21°C. Normal precipitation for the month is 6 mm over about 0 wet days.
September day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
September at a glance
- Average high
- 37°C
- Average low
- 23°C
- Precipitation
- 6 mm
- Reanalysis high
- 46°CSep 3, 2003
- Reanalysis low
- 15°CSep 29, 2004
- Daylight
- 12 h 49 min to 11 h 53 min
- Cloud cover
- 26%
- Humidity
- 30%
- Dew point
- 9°C
- Wind
- 15.1 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 40°C | 26°C | 46°C 2011 | 23°C 1993 | 3% |
| Sep 2 | 40°C | 26°C | 46°C 2011 | 23°C 2002 | 3% |
| Sep 3 | 40°C | 25°C | 46°C 2003 | 22°C 2012 | 3% |
| Sep 4 | 39°C | 25°C | 46°C 2003 | 22°C 2006 | 3% |
| Sep 5 | 39°C | 25°C | 44°C 1998 | 21°C 1997 | 4% |
| Sep 6 | 39°C | 25°C | 44°C 1998 | 21°C 1997 | 3% |
| Sep 7 | 39°C | 25°C | 44°C 1999 | 21°C 1997 | 3% |
| Sep 8 | 38°C | 25°C | 44°C 1999 | 22°C 1994 | 3% |
| Sep 9 | 38°C | 24°C | 44°C 2018 | 21°C 2000 | 3% |
| Sep 10 | 38°C | 24°C | 44°C 2001 | 20°C 2000 | 3% |
| Sep 11 | 38°C | 24°C | 42°C 2005 | 17°C 2017 | 3% |
| Sep 12 | 38°C | 24°C | 42°C 2007 | 17°C 2017 | 3% |
| Sep 13 | 38°C | 24°C | 43°C 2007 | 18°C 2017 | 3% |
| Sep 14 | 38°C | 24°C | 42°C 2016 | 20°C 2017 | 2% |
| Sep 15 | 37°C | 24°C | 43°C 2016 | 19°C 2012 | 2% |
| Sep 16 | 37°C | 23°C | 42°C 2016 | 17°C 2012 | 2% |
| Sep 17 | 37°C | 23°C | 43°C 2014 | 16°C 2006 | 2% |
| Sep 18 | 37°C | 23°C | 43°C 2014 | 19°C 2012 | 2% |
| Sep 19 | 37°C | 23°C | 43°C 2014 | 19°C 1992 | 3% |
| Sep 20 | 36°C | 23°C | 41°C 2014 | 19°C 2009 | 2% |
| Sep 21 | 36°C | 23°C | 43°C 2014 | 19°C 1992 | 3% |
| Sep 22 | 36°C | 22°C | 42°C 2014 | 20°C 2017 | 3% |
| Sep 23 | 36°C | 22°C | 42°C 2019 | 18°C 2009 | 4% |
| Sep 24 | 35°C | 22°C | 42°C 2019 | 18°C 1993 | 4% |
| Sep 25 | 35°C | 22°C | 41°C 2019 | 16°C 1993 | 5% |
| Sep 26 | 35°C | 22°C | 41°C 2019 | 18°C 1993 | 5% |
| Sep 27 | 34°C | 21°C | 40°C 2012 | 16°C 2004 | 5% |
| Sep 28 | 34°C | 21°C | 40°C 1999 | 16°C 2004 | 5% |
| Sep 29 | 34°C | 21°C | 40°C 2007 | 15°C 2004 | 5% |
| Sep 30 | 34°C | 21°C | 39°C 2007 | 16°C 2018 | 5% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- September 1
- sunrise 6:11 AM, sunset 7:00 PM
- September 30
- sunrise 6:29 AM, sunset 6:22 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.