Mersa Weather in September
Average highs run from 20°C on September 1 to 20°C on September 30, and lows from 13°C to 12°C. Normal precipitation for the month is 102 mm over about 21 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
- 20°C
- Average low
- 13°C
- Precipitation
- 102 mm
- Reanalysis high
- 25°CSep 11, 2004
- Reanalysis low
- 7°CSep 30, 1994
- Daylight
- 12 h 21 min to 12 h 02 min
- Cloud cover
- 64%
- Humidity
- 72%
- Dew point
- 11°C
- Wind
- 7.2 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 | 20°C | 13°C | 22°C 2008 | 11°C 1994 | 84% |
| Sep 2 | 20°C | 13°C | 22°C 2003 | 11°C 1994 | 83% |
| Sep 3 | 20°C | 13°C | 23°C 2015 | 12°C 2010 | 80% |
| Sep 4 | 20°C | 13°C | 23°C 2004 | 12°C 1999 | 79% |
| Sep 5 | 20°C | 13°C | 24°C 2003 | 11°C 2002 | 78% |
| Sep 6 | 20°C | 13°C | 23°C 2019 | 11°C 1999 | 77% |
| Sep 7 | 20°C | 13°C | 24°C 2019 | 11°C 1996 | 77% |
| Sep 8 | 20°C | 13°C | 23°C 2005 | 11°C 2014 | 76% |
| Sep 9 | 20°C | 13°C | 23°C 2004 | 11°C 1999 | 76% |
| Sep 10 | 20°C | 13°C | 24°C 2004 | 11°C 2001 | 76% |
| Sep 11 | 20°C | 13°C | 25°C 2004 | 11°C 1996 | 74% |
| Sep 12 | 20°C | 13°C | 24°C 2004 | 12°C 2001 | 71% |
| Sep 13 | 20°C | 13°C | 22°C 2019 | 10°C 1995 | 68% |
| Sep 14 | 20°C | 13°C | 23°C 2005 | 11°C 1995 | 67% |
| Sep 15 | 20°C | 13°C | 23°C 2011 | 11°C 1995 | 66% |
| Sep 16 | 21°C | 13°C | 24°C 2011 | 11°C 1999 | 66% |
| Sep 17 | 20°C | 13°C | 23°C 2004 | 11°C 1999 | 65% |
| Sep 18 | 20°C | 13°C | 23°C 2011 | 11°C 2018 | 65% |
| Sep 19 | 20°C | 13°C | 24°C 2011 | 11°C 1999 | 65% |
| Sep 20 | 20°C | 13°C | 23°C 2011 | 11°C 1998 | 64% |
| Sep 21 | 20°C | 13°C | 23°C 2015 | 10°C 1992 | 63% |
| Sep 22 | 20°C | 12°C | 24°C 2011 | 11°C 1992 | 62% |
| Sep 23 | 20°C | 12°C | 23°C 2011 | 10°C 1992 | 60% |
| Sep 24 | 20°C | 12°C | 22°C 2004 | 9°C 1994 | 60% |
| Sep 25 | 20°C | 12°C | 23°C 2005 | 9°C 1994 | 59% |
| Sep 26 | 20°C | 12°C | 22°C 2007 | 8°C 1994 | 58% |
| Sep 27 | 20°C | 12°C | 22°C 2002 | 9°C 1994 | 57% |
| Sep 28 | 20°C | 12°C | 23°C 2011 | 10°C 1994 | 57% |
| Sep 29 | 20°C | 12°C | 23°C 2011 | 9°C 1994 | 55% |
| Sep 30 | 20°C | 12°C | 24°C 2011 | 7°C 1994 | 54% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+3).
- September 1
- sunrise 6:11 AM, sunset 6:32 PM
- September 30
- sunrise 6:10 AM, sunset 6:12 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.