Humansdorp Weather in September
Average highs run from 20°C on September 1 to 21°C on September 30, and lows from 13°C to 14°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
- 20°C
- Average low
- 13°C
- Precipitation
- 33 mm
- Reanalysis high
- 35°CSep 14, 2005
- Reanalysis low
- 9°CSep 10, 2018
- Daylight
- 11 h 23 min to 12 h 24 min
- Cloud cover
- 51%
- Humidity
- 73%
- Dew point
- 11°C
- Wind
- 16.6 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 | 26°C 2007 | 9°C 2006 | 18% |
| Sep 2 | 20°C | 13°C | 29°C 2014 | 9°C 2013 | 19% |
| Sep 3 | 20°C | 13°C | 30°C 1999 | 11°C 2011 | 20% |
| Sep 4 | 20°C | 13°C | 31°C 2017 | 9°C 2008 | 21% |
| Sep 5 | 20°C | 13°C | 26°C 2014 | 10°C 2005 | 22% |
| Sep 6 | 20°C | 13°C | 28°C 1999 | 10°C 2008 | 22% |
| Sep 7 | 20°C | 13°C | 29°C 2019 | 9°C 2004 | 20% |
| Sep 8 | 20°C | 13°C | 33°C 2019 | 11°C 2000 | 19% |
| Sep 9 | 20°C | 13°C | 31°C 1993 | 10°C 1991 | 19% |
| Sep 10 | 20°C | 13°C | 27°C 2019 | 9°C 2018 | 20% |
| Sep 11 | 20°C | 13°C | 31°C 2007 | 9°C 1999 | 20% |
| Sep 12 | 20°C | 13°C | 31°C 2020 | 9°C 2008 | 20% |
| Sep 13 | 20°C | 13°C | 31°C 2008 | 10°C 1999 | 19% |
| Sep 14 | 20°C | 13°C | 35°C 2005 | 11°C 2007 | 19% |
| Sep 15 | 20°C | 13°C | 30°C 1995 | 10°C 1994 | 20% |
| Sep 16 | 20°C | 13°C | 29°C 2012 | 12°C 2008 | 20% |
| Sep 17 | 20°C | 13°C | 27°C 2012 | 11°C 2011 | 20% |
| Sep 18 | 20°C | 13°C | 31°C 1992 | 10°C 2016 | 18% |
| Sep 19 | 21°C | 13°C | 27°C 2007 | 10°C 1995 | 17% |
| Sep 20 | 21°C | 13°C | 28°C 1996 | 10°C 2018 | 18% |
| Sep 21 | 21°C | 13°C | 26°C 2017 | 9°C 2013 | 18% |
| Sep 22 | 20°C | 13°C | 28°C 2000 | 9°C 2013 | 20% |
| Sep 23 | 21°C | 13°C | 33°C 2000 | 9°C 1992 | 21% |
| Sep 24 | 20°C | 13°C | 26°C 2020 | 10°C 2016 | 22% |
| Sep 25 | 21°C | 13°C | 29°C 2011 | 11°C 1998 | 22% |
| Sep 26 | 21°C | 13°C | 32°C 2019 | 9°C 1998 | 23% |
| Sep 27 | 21°C | 13°C | 31°C 2019 | 10°C 2020 | 24% |
| Sep 28 | 21°C | 13°C | 29°C 1996 | 10°C 2020 | 24% |
| Sep 29 | 21°C | 14°C | 31°C 2010 | 11°C 1994 | 25% |
| Sep 30 | 21°C | 14°C | 33°C 2001 | 10°C 1994 | 25% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- September 1
- sunrise 6:40 AM, sunset 6:03 PM
- September 30
- sunrise 5:59 AM, sunset 6:23 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.