Pontianak Weather in September
Average highs run from 33°C on September 1 to 32°C on September 30, and lows from 23°C to 23°C. Normal precipitation for the month is 189 mm over about 20 wet days.
September day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 33°C
- Precipitation
- 189 mm
- Record high
- 38°CSep 8, 1979
- Record low
- 19°CSep 26, 1980
- Daylight
- 12 h 06 min to 12 h 06 min
- Cloud cover
- 86%
- Humidity
- 89%
- Dew point
- 24°C
- Wind
- 4.3 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 33°C | 23°C | 37°C 1979 | 20°C 1986 | 68% |
| Sep 2 | 33°C | 35°C 2024 | 21°C 1994 | 67% | |
| Sep 3 | 35°C 1984 | 21°C 1999 | 68% | ||
| Sep 4 | 33°C | 35°C 2019 | 21°C 1986 | 67% | |
| Sep 5 | 33°C | 23°C | 37°C 2019 | 20°C 1999 | 67% |
| Sep 6 | 33°C | 35°C 2024 | 21°C 1985 | 67% | |
| Sep 7 | 35°C 2024 | 22°C 1996 | 67% | ||
| Sep 8 | 32°C | 38°C 1979 | 20°C 1986 | 67% | |
| Sep 9 | 32°C | 34°C 1992 | 21°C 1986 | 68% | |
| Sep 10 | 33°C | 23°C | 35°C 2023 | 21°C 1986 | 67% |
| Sep 11 | 23°C | 35°C 2009 | 21°C 1986 | 66% | |
| Sep 12 | 33°C | 35°C 2009 | 21°C 1985 | 66% | |
| Sep 13 | 33°C | 23°C | 35°C 1991 | 20°C 1981 | 65% |
| Sep 14 | 33°C | 35°C 1980 | 20°C 1986 | 64% | |
| Sep 15 | 33°C | 35°C 2012 | 21°C 1992 | 64% | |
| Sep 16 | 33°C | 35°C 1980 | 21°C 1986 | 64% | |
| Sep 17 | 23°C | 35°C 2005 | 20°C 1986 | 64% | |
| Sep 18 | 23°C | 35°C 2020 | 21°C 1986 | 63% | |
| Sep 19 | 33°C | 36°C 1998 | 21°C 1986 | 64% | |
| Sep 20 | 33°C | 35°C 2020 | 22°C 1985 | 64% | |
| Sep 21 | 33°C | 34°C 1986 | 21°C 1997 | 64% | |
| Sep 22 | 33°C | 23°C | 35°C 2005 | 21°C 1997 | 65% |
| Sep 23 | 33°C | 23°C | 35°C 2012 | 20°C 1980 | 64% |
| Sep 24 | 33°C | 23°C | 35°C 2008 | 20°C 1986 | 65% |
| Sep 25 | 34°C 2017 | 21°C 1986 | 67% | ||
| Sep 26 | 32°C | 35°C 2007 | 19°C 1980 | 69% | |
| Sep 27 | 32°C | 23°C | 35°C 1996 | 21°C 2006 | 70% |
| Sep 28 | 33°C | 23°C | 35°C 2009 | 21°C 2006 | 70% |
| Sep 29 | 23°C | 35°C 2012 | 20°C 1980 | 72% | |
| Sep 30 | 32°C | 23°C | 35°C 2011 | 21°C 1980 | 72% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+7).
- September 1
- sunrise 5:40 AM, sunset 5:46 PM
- September 30
- sunrise 5:30 AM, sunset 5:36 PM
Other months
Sources
Records: NOAA GHCN-Daily, station IDM00096581, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.