Weather on September 1 in Reykjavik
Historical weather data for September 1 in Reykjavik, Iceland
Based on 55 years of data from REYKJAVIK
About This Date
September 1st in Reykjavik, Iceland typically brings cool fall weather, with average highs around 12°C and lows near 8°C. Over 55 years of records, the warmest September 1st was in 1998 (14°C average), while the coldest was 1989 (6°C) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 47% of September 1st dates historically, with the wettest September 1st recording 1.32" 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 1st 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 | 18°C (65°F) | 9°C (49°F) | -- |
| 2024 | 12°C (53°F) | 9°C (49°F) | -- |
| 2023 | 13°C (56°F) | 10°C (50°F) | -- |
| 2022 | 12°C (53°F) | 6°C (43°F) | -- |
| 2021 | 14°C (58°F) | 11°C (52°F) | -- |
| 2020 | 12°C (54°F) | 9°C (49°F) | -- |
| 2019 | 11°C (51°F) | 4°C (39°F) | -- |
| 2018 | 9°C (49°F) | 7°C (44°F) | -- |
| 2017 | 14°C (58°F) | 9°C (49°F) | -- |
| 2016 | 14°C (57°F) | 3°C (37°F) | -- |
| 2015 | 12°C (53°F) | 8°C (47°F) | -- |
| 2014 | 12°C (54°F) | 9°C (49°F) | -- |
| 2013 | 12°C (53°F) | 8°C (47°F) | -- |
| 2012 | 12°C (54°F) | 8°C (47°F) | -- |
| 2011 | 14°C (58°F) | 10°C (50°F) | -- |
| 2010 | 17°C (63°F) | 12°C (53°F) | -- |
| 2009 | 13°C (56°F) | 8°C (46°F) | -- |
| 2008 | 15°C (59°F) | 8°C (47°F) | -- |
| 2007 | 10°C (50°F) | 8°C (46°F) | -- |
| 2006 | 18°C (64°F) | 9°C (49°F) | 0.01" |
| 2005 | 9°C (49°F) | 4°C (40°F) | 0.13" |
| 2004 | 14°C (58°F) | 10°C (50°F) | 0.42" |
| 2003 | 13°C (56°F) | 9°C (49°F) | 0.34" |
| 2002 | 13°C (56°F) | 8°C (46°F) | 0.99" |
| 2001 | 13°C (55°F) | 9°C (48°F) | 0.74" |
| 2000 | 13°C (56°F) | 5°C (41°F) | 0" |
| 1999 | 12°C (54°F) | 7°C (44°F) | 0.16" |
| 1998 | 16°C (60°F) | 13°C (55°F) | 0.4" |
| 1997 | 16°C (60°F) | 11°C (51°F) | 0" |
| 1996 | 13°C (55°F) | 11°C (51°F) | 1.32" |
| 1995 | 11°C (51°F) | 7°C (44°F) | 0.1" |
| 1994 | 12°C (54°F) | 9°C (49°F) | 0.05" |
| 1993 | 13°C (55°F) | 8°C (47°F) | 0.07" |
| 1992 | 11°C (51°F) | 4°C (39°F) | 0" |
| 1991 | 11°C (51°F) | 8°C (46°F) | 0.25" |
| 1990 | 13°C (55°F) | 8°C (46°F) | 0.27" |
| 1989 | 8°C (47°F) | 3°C (37°F) | 0.06" |
| 1988 | 13°C (56°F) | 7°C (45°F) | 0.36" |
| 1987 | 11°C (51°F) | 8°C (46°F) | 0.18" |
| 1986 | 11°C (52°F) | 6°C (43°F) | 0" |
| 1985 | 11°C (51°F) | 2°C (36°F) | 0" |
| 1984 | 11°C (52°F) | 8°C (46°F) | 0.15" |
| 1983 | 10°C (50°F) | 5°C (41°F) | 0" |
| 1982 | 9°C (49°F) | 6°C (43°F) | 0.14" |
| 1981 | 13°C (56°F) | 11°C (52°F) | 0.05" |
| 1980 | 13°C (56°F) | 11°C (51°F) | 0.58" |
| 1979 | 11°C (51°F) | 4°C (40°F) | 0.12" |
| 1978 | 12°C (54°F) | 7°C (44°F) | 0" |
| 1977 | 11°C (51°F) | 4°C (39°F) | 0" |
| 1976 | 11°C (52°F) | 3°C (37°F) | 0" |
| 1975 | 11°C (51°F) | 7°C (45°F) | 0.26" |
| 1974 | 13°C (55°F) | 6°C (42°F) | 0" |
| 1973 | 12°C (53°F) | 9°C (48°F) | 0.1" |
| 1972 | 12°C (53°F) | 9°C (48°F) | 0.85" |
| 1971 | 12°C (53°F) | 5°C (41°F) | 0.15" |