Asmara Weather in September
Average highs run from 29°C on September 1 to 30°C on September 30, and lows from 19°C to 17°C. Normal precipitation for the month is 33 mm over about 6 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
- 30°C
- Average low
- 19°C
- Precipitation
- 33 mm
- Reanalysis high
- 35°CSep 11, 2004
- Reanalysis low
- 13°CSep 26, 1994
- Daylight
- 12 h 25 min to 12 h 00 min
- Cloud cover
- 36%
- Humidity
- 58%
- Dew point
- 14°C
- Wind
- 10.4 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 | 29°C | 19°C | 34°C 2008 | 17°C 1994 | 58% |
| Sep 2 | 29°C | 19°C | 34°C 2018 | 17°C 1999 | 56% |
| Sep 3 | 29°C | 19°C | 34°C 2004 | 17°C 2016 | 54% |
| Sep 4 | 29°C | 19°C | 34°C 2001 | 17°C 2016 | 54% |
| Sep 5 | 29°C | 19°C | 34°C 2001 | 17°C 2006 | 52% |
| Sep 6 | 29°C | 19°C | 34°C 2004 | 18°C 2014 | 48% |
| Sep 7 | 29°C | 19°C | 34°C 2004 | 18°C 1995 | 44% |
| Sep 8 | 30°C | 19°C | 34°C 2004 | 17°C 1994 | 39% |
| Sep 9 | 30°C | 19°C | 34°C 2004 | 17°C 1999 | 35% |
| Sep 10 | 30°C | 19°C | 35°C 2004 | 17°C 1999 | 30% |
| Sep 11 | 30°C | 19°C | 35°C 2004 | 17°C 1992 | 26% |
| Sep 12 | 30°C | 19°C | 35°C 2009 | 17°C 1995 | 24% |
| Sep 13 | 30°C | 19°C | 34°C 2009 | 17°C 1995 | 21% |
| Sep 14 | 30°C | 19°C | 34°C 2009 | 17°C 1993 | 19% |
| Sep 15 | 31°C | 19°C | 33°C 2003 | 17°C 2009 | 16% |
| Sep 16 | 31°C | 19°C | 33°C 2018 | 17°C 2002 | 13% |
| Sep 17 | 31°C | 19°C | 34°C 2009 | 17°C 1999 | 11% |
| Sep 18 | 31°C | 19°C | 34°C 2003 | 15°C 1992 | 8% |
| Sep 19 | 31°C | 18°C | 34°C 2002 | 16°C 1992 | 6% |
| Sep 20 | 31°C | 18°C | 35°C 2003 | 16°C 1992 | 4% |
| Sep 21 | 31°C | 18°C | 34°C 2008 | 16°C 1997 | 4% |
| Sep 22 | 31°C | 18°C | 35°C 2011 | 15°C 1994 | 4% |
| Sep 23 | 31°C | 18°C | 33°C 2011 | 16°C 2000 | 4% |
| Sep 24 | 31°C | 18°C | 33°C 2018 | 15°C 2010 | 4% |
| Sep 25 | 31°C | 18°C | 33°C 2012 | 14°C 2010 | 5% |
| Sep 26 | 31°C | 18°C | 34°C 2002 | 13°C 1994 | 6% |
| Sep 27 | 31°C | 18°C | 33°C 2002 | 14°C 1994 | 6% |
| Sep 28 | 30°C | 17°C | 34°C 2009 | 14°C 1994 | 7% |
| Sep 29 | 30°C | 17°C | 34°C 2009 | 14°C 1998 | 7% |
| Sep 30 | 30°C | 17°C | 33°C 1991 | 14°C 1995 | 7% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+3).
- September 1
- sunrise 6:12 AM, sunset 6:37 PM
- September 30
- sunrise 6:14 AM, sunset 6:14 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.