Weather on September 23 in Dublin
Historical weather data for September 23 in Dublin, Ireland
Based on 55 years of data from DUBLIN PHOENIX PARK
About This Date
September 23rd in Dublin, Ireland typically brings mild fall weather, with average highs around 17°C and lows near 8°C. Over 55 years of records, the warmest September 23rd was in 1978 (17°C average), while the coldest was 2012 (7°C) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 60% of September 23rd dates historically, with the wettest September 23rd recording 3.98" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for September 23rd in Dublin? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 16°C (60°F) | 4°C (39°F) | 0 mm |
| 2024 | 14°C (58°F) | 13°C (55°F) | 0 mm |
| 2023 | 17°C (63°F) | 4°C (40°F) | 0 mm |
| 2022 | 18°C (65°F) | 8°C (46°F) | 5 mm |
| 2021 | 21°C (69°F) | 12°C (54°F) | 0 mm |
| 2020 | 15°C (59°F) | 8°C (47°F) | 18 mm |
| 2019 | 17°C (62°F) | 8°C (46°F) | 19 mm |
| 2018 | 13°C (56°F) | 5°C (41°F) | 0 mm |
| 2017 | 18°C (64°F) | 8°C (46°F) | 0 mm |
| 2016 | 18°C (65°F) | 7°C (44°F) | 0 mm |
| 2015 | 18°C (64°F) | 7°C (44°F) | 2 mm |
| 2014 | 16°C (61°F) | 9°C (49°F) | 2 mm |
| 2013 | 23°C (73°F) | 11°C (51°F) | 0 mm |
| 2012 | 14°C (57°F) | 1°C (34°F) | 0 mm |
| 2011 | 17°C (63°F) | 12°C (53°F) | 0 mm |
| 2010 | 16°C (61°F) | -- | 28 mm |
| 2009 | 18°C (64°F) | 11°C (51°F) | 0 mm |
| 2008 | 14°C (58°F) | 5°C (41°F) | 0 mm |
| 2007 | 18°C (65°F) | 13°C (55°F) | 1 mm |
| 2006 | 18°C (64°F) | 14°C (57°F) | 13 mm |
| 2005 | 17°C (62°F) | 12°C (53°F) | 1 mm |
| 2004 | 16°C (61°F) | 12°C (54°F) | 0 mm |
| 2003 | 14°C (57°F) | 4°C (40°F) | 0 mm |
| 2002 | 16°C (61°F) | 7°C (44°F) | 0 mm |
| 2001 | 16°C (60°F) | 6°C (43°F) | 0 mm |
| 2000 | 20°C (68°F) | 11°C (52°F) | 22 mm |
| 1999 | 20°C (68°F) | 12°C (53°F) | 1 mm |
| 1998 | 17°C (63°F) | 9°C (49°F) | 0 mm |
| 1997 | 18°C (64°F) | 9°C (48°F) | 0 mm |
| 1996 | 16°C (60°F) | 3°C (38°F) | 4 mm |
| 1995 | 19°C (67°F) | 6°C (43°F) | 14 mm |
| 1994 | 17°C (62°F) | 7°C (45°F) | 0 mm |
| 1993 | 14°C (58°F) | 7°C (44°F) | 6 mm |
| 1992 | 14°C (58°F) | 3°C (37°F) | 17 mm |
| 1991 | 20°C (68°F) | 8°C (47°F) | 9 mm |
| 1990 | 15°C (59°F) | 2°C (36°F) | 5 mm |
| 1989 | 21°C (69°F) | 6°C (42°F) | 0 mm |
| 1988 | 15°C (59°F) | 8°C (47°F) | 5 mm |
| 1987 | 18°C (64°F) | 8°C (47°F) | 0 mm |
| 1986 | 16°C (60°F) | 9°C (48°F) | 0 mm |
| 1985 | 18°C (64°F) | 12°C (54°F) | 0 mm |
| 1984 | 14°C (58°F) | 5°C (41°F) | 0 mm |
| 1983 | 23°C (73°F) | 11°C (51°F) | 0 mm |
| 1982 | 15°C (59°F) | 8°C (46°F) | 17 mm |
| 1981 | 17°C (62°F) | 6°C (42°F) | 5 mm |
| 1980 | 14°C (58°F) | 10°C (50°F) | 3 mm |
| 1979 | 16°C (60°F) | 7°C (44°F) | 1 mm |
| 1978 | 22°C (71°F) | 12°C (53°F) | 0 mm |
| 1977 | 14°C (58°F) | 9°C (49°F) | 9 mm |
| 1976 | 16°C (60°F) | 8°C (46°F) | 101 mm |
| 1975 | 16°C (61°F) | 11°C (51°F) | 9 mm |
| 1974 | 14°C (58°F) | 8°C (46°F) | 23 mm |
| 1973 | 15°C (59°F) | 6°C (43°F) | 1 mm |
| 1972 | 18°C (65°F) | 8°C (46°F) | 0 mm |
| 1971 | 17°C (62°F) | 12°C (53°F) | 10 mm |