Weather on September 30 in Dublin
Historical weather data for September 30 in Dublin, Ireland
Based on 55 years of data from DUBLIN PHOENIX PARK
About This Date
September 30th in Dublin, Ireland typically brings mild fall weather, with average highs around 17°C and lows near 9°C. Over 55 years of records, the warmest September 30th was in 1971 (18°C average), while the coldest was 1991 (7°C) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 73% of September 30th dates historically, with the wettest September 30th recording 2.95" of rain. The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
Planning for September 30th in Dublin? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 19°C (66°F) | 11°C (52°F) | 19 mm |
| 2024 | 14°C (57°F) | 11°C (51°F) | 19 mm |
| 2023 | 18°C (64°F) | 8°C (46°F) | 31 mm |
| 2022 | 18°C (64°F) | 8°C (47°F) | 20 mm |
| 2021 | 16°C (61°F) | 9°C (49°F) | 6 mm |
| 2020 | 15°C (59°F) | 10°C (50°F) | 7 mm |
| 2019 | 13°C (56°F) | 6°C (43°F) | 62 mm |
| 2018 | 13°C (56°F) | 9°C (48°F) | 0 mm |
| 2017 | 16°C (61°F) | 8°C (46°F) | 4 mm |
| 2016 | 15°C (59°F) | 8°C (46°F) | 22 mm |
| 2015 | 16°C (60°F) | 7°C (45°F) | 0 mm |
| 2014 | 20°C (68°F) | 12°C (53°F) | 2 mm |
| 2013 | 16°C (60°F) | 13°C (55°F) | 6 mm |
| 2012 | 16°C (61°F) | -- | 3 mm |
| 2011 | 20°C (68°F) | 14°C (58°F) | -- |
| 2010 | 16°C (61°F) | 4°C (40°F) | 0 mm |
| 2009 | 19°C (67°F) | 12°C (53°F) | 0 mm |
| 2008 | 15°C (59°F) | 11°C (52°F) | 13 mm |
| 2007 | 16°C (61°F) | 12°C (53°F) | 14 mm |
| 2006 | 16°C (61°F) | 8°C (47°F) | 23 mm |
| 2005 | 21°C (69°F) | 11°C (51°F) | 3 mm |
| 2004 | 17°C (62°F) | 13°C (55°F) | 0 mm |
| 2003 | 17°C (62°F) | 9°C (49°F) | 11 mm |
| 2002 | 21°C (70°F) | 13°C (55°F) | 20 mm |
| 2001 | 20°C (68°F) | 14°C (57°F) | 8 mm |
| 2000 | 17°C (63°F) | 10°C (50°F) | 1 mm |
| 1999 | 14°C (57°F) | 8°C (47°F) | 9 mm |
| 1998 | 14°C (58°F) | 12°C (53°F) | 75 mm |
| 1997 | 19°C (66°F) | 10°C (50°F) | 11 mm |
| 1996 | 16°C (61°F) | 8°C (47°F) | 0 mm |
| 1995 | 17°C (62°F) | 8°C (46°F) | 3 mm |
| 1994 | 16°C (61°F) | 11°C (52°F) | 30 mm |
| 1993 | 14°C (57°F) | 7°C (45°F) | 3 mm |
| 1992 | 16°C (61°F) | 7°C (44°F) | 0 mm |
| 1991 | 13°C (55°F) | 1°C (34°F) | 3 mm |
| 1990 | 16°C (60°F) | 11°C (51°F) | 0 mm |
| 1989 | 13°C (56°F) | 9°C (48°F) | 0 mm |
| 1988 | 14°C (58°F) | 1°C (33°F) | 0 mm |
| 1987 | 14°C (58°F) | 3°C (38°F) | 0 mm |
| 1986 | 21°C (70°F) | 7°C (45°F) | 0 mm |
| 1985 | 24°C (75°F) | 13°C (55°F) | 0 mm |
| 1984 | 14°C (58°F) | 5°C (41°F) | 6 mm |
| 1983 | 18°C (65°F) | 11°C (51°F) | 1 mm |
| 1982 | 16°C (60°F) | 4°C (39°F) | 12 mm |
| 1981 | 19°C (66°F) | 11°C (51°F) | 4 mm |
| 1980 | 15°C (59°F) | 7°C (45°F) | 2 mm |
| 1979 | 13°C (56°F) | 9°C (48°F) | 10 mm |
| 1978 | 13°C (55°F) | 6°C (42°F) | 0 mm |
| 1977 | 15°C (59°F) | 13°C (55°F) | 39 mm |
| 1976 | 17°C (62°F) | 13°C (55°F) | 1 mm |
| 1975 | 16°C (60°F) | 7°C (45°F) | 6 mm |
| 1974 | 13°C (56°F) | 2°C (36°F) | 1 mm |
| 1973 | 13°C (56°F) | 6°C (42°F) | 1 mm |
| 1972 | 16°C (61°F) | 11°C (52°F) | 0 mm |
| 1971 | 22°C (72°F) | 14°C (58°F) | 0 mm |