Weather on September 4 in Reykjavik
Historical weather data for September 4 in Reykjavik, Iceland
Based on 55 years of data from REYKJAVIK
About This Date
September 4th in Reykjavik, Iceland typically brings cool fall weather, with average highs around 12°C and lows near 7°C. Over 55 years of records, the warmest September 4th was in 2010 (14°C average), while the coldest was 1982 (3°C) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 44% of September 4th dates historically, with the wettest September 4th recording 2.24" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 4th in Reykjavik? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 16°C (61°F) | 11°C (51°F) | -- |
| 2024 | 12°C (54°F) | 6°C (42°F) | -- |
| 2023 | 12°C (53°F) | 6°C (42°F) | -- |
| 2022 | 14°C (57°F) | 8°C (46°F) | -- |
| 2021 | 14°C (57°F) | 12°C (54°F) | -- |
| 2020 | 11°C (51°F) | 6°C (42°F) | -- |
| 2019 | 11°C (51°F) | 7°C (44°F) | -- |
| 2018 | 11°C (52°F) | 8°C (46°F) | -- |
| 2017 | 14°C (58°F) | 11°C (52°F) | -- |
| 2016 | 14°C (57°F) | -- | -- |
| 2015 | 11°C (51°F) | 7°C (44°F) | -- |
| 2014 | 13°C (55°F) | 7°C (45°F) | -- |
| 2013 | 10°C (50°F) | 4°C (40°F) | -- |
| 2012 | 12°C (53°F) | 6°C (43°F) | -- |
| 2011 | 16°C (61°F) | 8°C (47°F) | -- |
| 2010 | 16°C (61°F) | 12°C (54°F) | -- |
| 2009 | 11°C (52°F) | 8°C (47°F) | -- |
| 2008 | 11°C (52°F) | 7°C (44°F) | -- |
| 2007 | 13°C (56°F) | 9°C (48°F) | -- |
| 2006 | 16°C (61°F) | 8°C (46°F) | 0" |
| 2005 | 12°C (53°F) | 8°C (46°F) | 0.11" |
| 2004 | 12°C (54°F) | 8°C (46°F) | 0.43" |
| 2003 | 14°C (57°F) | 11°C (51°F) | 0.7" |
| 2002 | 11°C (51°F) | 7°C (45°F) | 0.6" |
| 2001 | 13°C (55°F) | 9°C (48°F) | 0.65" |
| 2000 | 14°C (57°F) | 10°C (50°F) | 0.49" |
| 1999 | 11°C (51°F) | 6°C (43°F) | 0.3" |
| 1998 | 14°C (58°F) | 9°C (49°F) | 0.23" |
| 1997 | 14°C (57°F) | 9°C (48°F) | 0" |
| 1996 | 14°C (58°F) | 12°C (53°F) | 0.15" |
| 1995 | 12°C (53°F) | 8°C (46°F) | 0.2" |
| 1994 | 13°C (56°F) | 9°C (49°F) | 0.1" |
| 1993 | 13°C (56°F) | 11°C (51°F) | 0" |
| 1992 | 7°C (44°F) | 3°C (37°F) | 0" |
| 1991 | 11°C (51°F) | 7°C (45°F) | 0.72" |
| 1990 | 10°C (50°F) | 3°C (38°F) | 0" |
| 1989 | 11°C (52°F) | 7°C (45°F) | 0.44" |
| 1988 | 13°C (56°F) | 8°C (46°F) | 0" |
| 1987 | 14°C (58°F) | 8°C (46°F) | 0.43" |
| 1986 | 9°C (49°F) | 5°C (41°F) | 0.45" |
| 1985 | 11°C (51°F) | 6°C (42°F) | 0.04" |
| 1984 | 9°C (49°F) | 7°C (45°F) | 0" |
| 1983 | 9°C (48°F) | 4°C (39°F) | 0.11" |
| 1982 | 8°C (47°F) | -2°C (29°F) | 0" |
| 1981 | 10°C (50°F) | 2°C (35°F) | 0" |
| 1980 | 13°C (56°F) | 10°C (50°F) | 0" |
| 1979 | 12°C (54°F) | 4°C (39°F) | 0" |
| 1978 | 13°C (56°F) | 8°C (46°F) | 0.1" |
| 1977 | 12°C (53°F) | 6°C (42°F) | 0.52" |
| 1976 | 11°C (51°F) | 8°C (47°F) | 0.17" |
| 1975 | 12°C (53°F) | 4°C (40°F) | 0" |
| 1974 | 13°C (56°F) | 8°C (46°F) | 0.1" |
| 1973 | 13°C (56°F) | 8°C (47°F) | 0.01" |
| 1972 | 10°C (50°F) | 9°C (48°F) | 2.24" |
| 1971 | 11°C (51°F) | 6°C (42°F) | 0.11" |