Weather on September 12 in Reykjavik
Historical weather data for September 12 in Reykjavik, Iceland
Based on 55 years of data from REYKJAVIK
About This Date
September 12th in Reykjavik, Iceland typically brings cool fall weather, with average highs around 11°C and lows near 6°C. Over 55 years of records, the warmest September 12th was in 2002 (14°C average), while the coldest was 1975 (4°C) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 38% of September 12th dates historically, with the wettest September 12th recording 2.74" 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 12th 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 (60°F) | 7°C (44°F) | -- |
| 2024 | 9°C (49°F) | 4°C (40°F) | -- |
| 2023 | 11°C (52°F) | 2°C (35°F) | -- |
| 2022 | 11°C (51°F) | 6°C (43°F) | -- |
| 2021 | 12°C (54°F) | 8°C (46°F) | -- |
| 2020 | 12°C (53°F) | 6°C (43°F) | -- |
| 2019 | 11°C (51°F) | 5°C (41°F) | -- |
| 2018 | 11°C (51°F) | 7°C (44°F) | -- |
| 2017 | 11°C (51°F) | 7°C (44°F) | -- |
| 2016 | 9°C (49°F) | 7°C (44°F) | -- |
| 2015 | 12°C (54°F) | 7°C (45°F) | -- |
| 2014 | 12°C (53°F) | 9°C (48°F) | -- |
| 2013 | 9°C (49°F) | 4°C (40°F) | -- |
| 2012 | 10°C (50°F) | 2°C (36°F) | -- |
| 2011 | 16°C (60°F) | 6°C (43°F) | -- |
| 2010 | 14°C (57°F) | 8°C (46°F) | -- |
| 2009 | 13°C (56°F) | 9°C (48°F) | -- |
| 2008 | 12°C (53°F) | 8°C (46°F) | -- |
| 2007 | 13°C (55°F) | 6°C (43°F) | -- |
| 2006 | 11°C (52°F) | 6°C (43°F) | 0.01" |
| 2005 | 11°C (52°F) | 6°C (42°F) | 0" |
| 2004 | 12°C (53°F) | 8°C (47°F) | 0.19" |
| 2003 | 14°C (58°F) | 9°C (48°F) | 0.65" |
| 2002 | 18°C (64°F) | 10°C (50°F) | 0.01" |
| 2001 | 12°C (53°F) | 8°C (46°F) | 0.01" |
| 2000 | 12°C (54°F) | 7°C (45°F) | 2.74" |
| 1999 | 9°C (49°F) | 4°C (39°F) | 0" |
| 1998 | 8°C (47°F) | 3°C (37°F) | 0" |
| 1997 | 6°C (43°F) | 2°C (36°F) | 0" |
| 1996 | 13°C (55°F) | 9°C (49°F) | 0.1" |
| 1995 | 12°C (53°F) | 8°C (47°F) | 0" |
| 1994 | 10°C (50°F) | 1°C (33°F) | 0" |
| 1993 | 14°C (58°F) | 9°C (49°F) | 0.28" |
| 1992 | 8°C (46°F) | 4°C (39°F) | 0" |
| 1991 | 12°C (54°F) | 8°C (47°F) | 0" |
| 1990 | 9°C (49°F) | 7°C (44°F) | 0.03" |
| 1989 | 9°C (48°F) | 6°C (42°F) | 0.53" |
| 1988 | 11°C (51°F) | 2°C (36°F) | 0" |
| 1987 | 11°C (51°F) | 9°C (48°F) | 0.02" |
| 1986 | 13°C (55°F) | 7°C (44°F) | 0.06" |
| 1985 | 12°C (54°F) | 8°C (46°F) | 0.14" |
| 1984 | 9°C (48°F) | 3°C (38°F) | 0" |
| 1983 | 10°C (50°F) | 8°C (46°F) | 0.17" |
| 1982 | 8°C (46°F) | 4°C (40°F) | 1.14" |
| 1981 | 14°C (58°F) | 11°C (52°F) | 0" |
| 1980 | 9°C (49°F) | 3°C (38°F) | 0" |
| 1979 | 7°C (45°F) | 2°C (36°F) | 0.37" |
| 1978 | 10°C (50°F) | 4°C (40°F) | 0.01" |
| 1977 | 10°C (50°F) | 7°C (45°F) | 0.04" |
| 1976 | 13°C (55°F) | 7°C (45°F) | 1.21" |
| 1975 | 7°C (44°F) | 2°C (35°F) | 0" |
| 1974 | 9°C (49°F) | 8°C (47°F) | 0.62" |
| 1973 | 14°C (58°F) | 11°C (51°F) | 0" |
| 1972 | 9°C (49°F) | 8°C (46°F) | 0.49" |
| 1971 | 14°C (58°F) | 8°C (47°F) | 0" |