Weather on September 25 in Reykjavik
Historical weather data for September 25 in Reykjavik, Iceland
Based on 55 years of data from REYKJAVIK
About This Date
September 25th in Reykjavik, Iceland typically brings cool fall weather, with average highs around 10°C and lows near 5°C. Over 55 years of records, the warmest September 25th was in 2000 (14°C average), while the coldest was 2005 (1°C) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 49% of September 25th dates historically, with the wettest September 25th recording 2.08" 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 25th 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 | 12°C (53°F) | 7°C (44°F) | 0.6" |
| 2024 | 8°C (47°F) | 1°C (34°F) | -- |
| 2023 | 14°C (58°F) | 7°C (45°F) | -- |
| 2022 | 11°C (52°F) | 6°C (42°F) | -- |
| 2021 | 8°C (47°F) | 4°C (39°F) | -- |
| 2020 | 8°C (47°F) | -3°C (27°F) | -- |
| 2019 | 16°C (61°F) | 11°C (51°F) | -- |
| 2018 | 8°C (46°F) | 4°C (39°F) | -- |
| 2017 | 12°C (53°F) | 7°C (45°F) | -- |
| 2016 | 11°C (52°F) | 8°C (46°F) | -- |
| 2015 | 10°C (50°F) | -- | -- |
| 2014 | 8°C (47°F) | 6°C (42°F) | -- |
| 2013 | 9°C (49°F) | 6°C (42°F) | -- |
| 2012 | -- | 4°C (39°F) | -- |
| 2011 | 11°C (52°F) | 9°C (49°F) | -- |
| 2010 | 13°C (55°F) | 8°C (46°F) | -- |
| 2009 | 11°C (52°F) | 4°C (40°F) | -- |
| 2008 | -- | 4°C (40°F) | -- |
| 2007 | 6°C (43°F) | -1°C (31°F) | -- |
| 2006 | 12°C (54°F) | 9°C (48°F) | -- |
| 2005 | 4°C (39°F) | -3°C (26°F) | 0" |
| 2004 | 11°C (52°F) | 8°C (46°F) | 1.3" |
| 2003 | 8°C (47°F) | -2°C (28°F) | 0" |
| 2002 | 9°C (48°F) | 7°C (44°F) | 0.89" |
| 2001 | 13°C (56°F) | 9°C (48°F) | 0.07" |
| 2000 | 17°C (63°F) | 11°C (51°F) | 0.11" |
| 1999 | 12°C (54°F) | 8°C (46°F) | 0.02" |
| 1998 | 11°C (51°F) | 8°C (46°F) | 0.04" |
| 1997 | 12°C (53°F) | 8°C (46°F) | 0.64" |
| 1996 | 12°C (54°F) | 8°C (46°F) | 0.1" |
| 1995 | 7°C (45°F) | 3°C (38°F) | 0.84" |
| 1994 | 8°C (47°F) | 4°C (40°F) | 0.94" |
| 1993 | 9°C (48°F) | 3°C (38°F) | 0.08" |
| 1992 | 8°C (47°F) | 6°C (42°F) | 0.01" |
| 1991 | 8°C (46°F) | 4°C (39°F) | 0" |
| 1990 | 9°C (48°F) | 5°C (41°F) | 0" |
| 1989 | 7°C (45°F) | 3°C (37°F) | 2.08" |
| 1988 | 4°C (39°F) | 0°C (32°F) | 0" |
| 1987 | 9°C (48°F) | 4°C (40°F) | 0.62" |
| 1986 | 12°C (53°F) | 8°C (46°F) | 0.31" |
| 1985 | 10°C (50°F) | 7°C (45°F) | 0.07" |
| 1984 | 9°C (48°F) | 4°C (40°F) | 0" |
| 1983 | 9°C (49°F) | 6°C (42°F) | 1.22" |
| 1982 | 10°C (50°F) | 0°C (32°F) | 0" |
| 1981 | 11°C (51°F) | 4°C (39°F) | 0.01" |
| 1980 | 11°C (52°F) | 6°C (43°F) | 0.18" |
| 1979 | 8°C (46°F) | 3°C (37°F) | 0.53" |
| 1978 | 9°C (49°F) | 5°C (41°F) | 0.13" |
| 1977 | 12°C (53°F) | 10°C (50°F) | 0.12" |
| 1976 | 9°C (48°F) | 7°C (45°F) | 0.01" |
| 1975 | 4°C (40°F) | -1°C (30°F) | 0" |
| 1974 | 4°C (40°F) | -1°C (30°F) | 0" |
| 1973 | 10°C (50°F) | 4°C (39°F) | 1.29" |
| 1972 | 12°C (53°F) | 8°C (47°F) | 0.15" |
| 1971 | 9°C (49°F) | 7°C (45°F) | 0.18" |