Weather on September 21 in Auckland
Historical weather data for September 21 in Auckland, New Zealand
Based on 55 years of data from AUCKLAND AERO AWS
About This Date
September 21st in Auckland, New Zealand typically brings mild fall weather, with average highs around 16°C and lows near 8°C. Over 55 years of records, the warmest September 21st was in 2023 (17°C average), while the coldest was 1999 (8°C) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 21st dates historically, with the wettest September 21st recording 2.44" of rain. The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
Planning for September 21st in Auckland? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 18°C (64°F) | 14°C (58°F) | -- |
| 2024 | -- | 8°C (46°F) | 0.05" |
| 2023 | 23°C (73°F) | 10°C (50°F) | 0" |
| 2022 | 21°C (69°F) | -- | 0.43" |
| 2021 | 19°C (66°F) | 8°C (46°F) | 0" |
| 2020 | 18°C (65°F) | 8°C (46°F) | 0.05" |
| 2019 | 17°C (62°F) | 7°C (44°F) | 0.03" |
| 2018 | 18°C (64°F) | -- | 0.03" |
| 2017 | 18°C (64°F) | -- | 0.15" |
| 2016 | 16°C (61°F) | -- | 2.44" |
| 2015 | 14°C (58°F) | 8°C (47°F) | 0" |
| 2014 | 14°C (57°F) | 7°C (44°F) | 1.75" |
| 2013 | 18°C (64°F) | -- | 0" |
| 2012 | 17°C (62°F) | -- | 0.05" |
| 2011 | 15°C (59°F) | 6°C (42°F) | 0" |
| 2010 | 16°C (60°F) | -- | 0.3" |
| 2009 | 18°C (64°F) | 7°C (45°F) | 0" |
| 2008 | 17°C (62°F) | 7°C (45°F) | 0" |
| 2007 | 18°C (65°F) | -- | 0" |
| 2006 | 18°C (65°F) | 8°C (47°F) | 0" |
| 2005 | 15°C (59°F) | 6°C (42°F) | 0.03" |
| 2004 | 15°C (59°F) | 11°C (51°F) | 0.08" |
| 2003 | 17°C (62°F) | -- | 0" |
| 2002 | 14°C (58°F) | 6°C (43°F) | -- |
| 2001 | 16°C (60°F) | 12°C (53°F) | -- |
| 2000 | 17°C (62°F) | 5°C (41°F) | -- |
| 1999 | 12°C (53°F) | 4°C (39°F) | -- |
| 1998 | 16°C (61°F) | 11°C (51°F) | -- |
| 1997 | 14°C (58°F) | 10°C (50°F) | 0" |
| 1996 | 16°C (60°F) | 4°C (40°F) | 0" |
| 1995 | 14°C (58°F) | 11°C (51°F) | 0" |
| 1994 | 13°C (55°F) | 9°C (48°F) | 1.91" |
| 1993 | 14°C (57°F) | 10°C (50°F) | -- |
| 1992 | 15°C (59°F) | 9°C (49°F) | 0" |
| 1991 | 15°C (59°F) | 9°C (49°F) | -- |
| 1990 | 14°C (58°F) | 4°C (40°F) | -- |
| 1989 | 16°C (61°F) | 10°C (50°F) | -- |
| 1988 | 17°C (62°F) | 12°C (53°F) | -- |
| 1987 | 15°C (59°F) | 12°C (54°F) | -- |
| 1986 | 17°C (62°F) | 9°C (48°F) | -- |
| 1985 | 16°C (60°F) | 7°C (44°F) | -- |
| 1984 | 18°C (64°F) | 10°C (50°F) | -- |
| 1983 | 17°C (62°F) | 11°C (52°F) | -- |
| 1982 | 18°C (64°F) | 11°C (52°F) | -- |
| 1981 | 13°C (56°F) | 8°C (46°F) | -- |
| 1980 | 15°C (59°F) | 10°C (50°F) | -- |
| 1979 | 16°C (60°F) | 8°C (47°F) | -- |
| 1978 | 17°C (62°F) | 7°C (44°F) | -- |
| 1977 | 14°C (57°F) | 6°C (43°F) | -- |
| 1976 | 14°C (58°F) | 3°C (38°F) | -- |
| 1975 | 16°C (60°F) | 10°C (50°F) | -- |
| 1974 | 16°C (60°F) | 8°C (47°F) | -- |
| 1973 | 16°C (60°F) | 10°C (50°F) | -- |
| 1972 | 14°C (58°F) | 3°C (37°F) | -- |
| 1971 | 15°C (59°F) | 12°C (53°F) | -- |