Palmerston Weather in September
Average highs run from 32°C on September 1 to 33°C on September 30, and lows from 22°C to 24°C. Normal precipitation for the month is 14 mm over about 3 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
- Average low
- 23°C
- Precipitation
- 14 mm
- Record high
- 38°CSep 21, 2021
- Record low
- 14°CSep 1, 2006
- Daylight
- 11 h 52 min to 12 h 12 min
- Cloud cover
- 29%
- Humidity
- 53%
- Dew point
- 17°C
- Wind
- 11.9 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 | 32°C | 22°C | 36°C 2007 | 14°C 2006 | 5% |
| Sep 2 | 32°C | 22°C | 36°C 2012 | 17°C 2006 | 5% |
| Sep 3 | 33°C | 22°C | 36°C 2012 | 19°C 2014 | 5% |
| Sep 4 | 33°C | 22°C | 37°C 1951 | 18°C 1996 | 5% |
| Sep 5 | 33°C | 22°C | 36°C 1975 | 14°C 2004 | 5% |
| Sep 6 | 32°C | 22°C | 37°C 2020 | 18°C 2004 | 6% |
| Sep 7 | 33°C | 22°C | 36°C 2017 | 17°C 1958 | 7% |
| Sep 8 | 33°C | 22°C | 37°C 2006 | 17°C 2017 | 8% |
| Sep 9 | 33°C | 22°C | 36°C 2019 | 17°C 1963 | 8% |
| Sep 10 | 33°C | 22°C | 37°C 2008 | 18°C 2006 | 8% |
| Sep 11 | 33°C | 22°C | 36°C 2023 | 18°C 2019 | 8% |
| Sep 12 | 33°C | 22°C | 36°C 1995 | 18°C 2011 | 9% |
| Sep 13 | 33°C | 23°C | 37°C 2024 | 17°C 2011 | 9% |
| Sep 14 | 33°C | 23°C | 37°C 2022 | 18°C 2011 | 8% |
| Sep 15 | 33°C | 23°C | 37°C 2017 | 18°C 1956 | 9% |
| Sep 16 | 33°C | 23°C | 37°C 2017 | 19°C 2017 | 10% |
| Sep 17 | 33°C | 23°C | 38°C 1983 | 19°C 1977 | 11% |
| Sep 18 | 33°C | 23°C | 37°C 1983 | 19°C 1977 | 12% |
| Sep 19 | 33°C | 23°C | 37°C 2014 | 19°C 1976 | 12% |
| Sep 20 | 33°C | 23°C | 38°C 2021 | 19°C 1984 | 14% |
| Sep 21 | 33°C | 23°C | 38°C 2021 | 21°C 2004 | 15% |
| Sep 22 | 34°C | 24°C | 36°C 2015 | 18°C 1969 | 15% |
| Sep 23 | 33°C | 24°C | 36°C 1990 | 18°C 1969 | 16% |
| Sep 24 | 33°C | 24°C | 37°C 1952 | 19°C 1969 | 17% |
| Sep 25 | 33°C | 24°C | 37°C 1975 | 20°C 1969 | 17% |
| Sep 26 | 34°C | 24°C | 36°C 1954 | 20°C 1969 | 18% |
| Sep 27 | 33°C | 24°C | 37°C 2001 | 21°C 1969 | 19% |
| Sep 28 | 33°C | 24°C | 36°C 1984 | 21°C 1960 | 20% |
| Sep 29 | 34°C | 24°C | 37°C 1967 | 20°C 1941 | 22% |
| Sep 30 | 33°C | 24°C | 36°C 1982 | 22°C 1985 | 24% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9:30).
- September 1
- sunrise 6:50 AM, sunset 6:42 PM
- September 30
- sunrise 6:30 AM, sunset 6:42 PM
Other months
Sources
Records: NOAA GHCN-Daily, station ASN00014015, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.