Weather on September 23 in Oslo
Historical weather data for September 23 in Oslo, Norway
Based on 55 years of data from OSLO - BLINDERN PLU
About This Date
September 23rd in Oslo, Norway typically brings cool fall weather, with average highs around 14°C and lows near 7°C. Over 55 years of records, the warmest September 23rd was in 1989 (15°C average), while the coldest was 1973 (4°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 45% of September 23rd dates historically, with the wettest September 23rd recording 1.79" 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 23rd in Oslo? 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 | 14°C (58°F) | 2°C (36°F) | 0" |
| 2024 | 17°C (62°F) | 11°C (52°F) | 0.18" |
| 2023 | 17°C (63°F) | 9°C (49°F) | 0" |
| 2022 | 13°C (56°F) | 12°C (54°F) | 1.57" |
| 2021 | 14°C (58°F) | 9°C (49°F) | 0.01" |
| 2020 | 15°C (59°F) | 12°C (54°F) | 1.1" |
| 2019 | 14°C (57°F) | 9°C (49°F) | 0" |
| 2018 | 16°C (61°F) | 4°C (40°F) | 0" |
| 2017 | 14°C (57°F) | 11°C (52°F) | 0" |
| 2016 | 17°C (63°F) | 11°C (51°F) | 0" |
| 2015 | 14°C (57°F) | 11°C (52°F) | 0.01" |
| 2014 | 13°C (55°F) | 3°C (38°F) | 0" |
| 2013 | 17°C (63°F) | 8°C (47°F) | 0" |
| 2012 | 11°C (51°F) | 8°C (46°F) | 0" |
| 2011 | 17°C (62°F) | 3°C (38°F) | 0" |
| 2010 | 14°C (58°F) | 12°C (54°F) | 0.43" |
| 2009 | 18°C (64°F) | 7°C (45°F) | 0" |
| 2008 | 17°C (62°F) | 7°C (45°F) | 0" |
| 2007 | 14°C (57°F) | 6°C (42°F) | 0.02" |
| 2006 | 17°C (63°F) | 12°C (54°F) | 0" |
| 2005 | 17°C (62°F) | 12°C (53°F) | 0" |
| 2004 | 17°C (62°F) | 8°C (46°F) | 0.01" |
| 2003 | 16°C (61°F) | 5°C (41°F) | 0.01" |
| 2002 | 11°C (51°F) | 2°C (35°F) | 0" |
| 2001 | 17°C (63°F) | 12°C (54°F) | 0" |
| 2000 | 13°C (55°F) | 11°C (52°F) | 0" |
| 1999 | 13°C (56°F) | 8°C (47°F) | 0.02" |
| 1998 | 19°C (67°F) | 11°C (51°F) | 0" |
| 1997 | 19°C (66°F) | 8°C (47°F) | 0" |
| 1996 | 13°C (55°F) | 6°C (43°F) | 0" |
| 1995 | 18°C (64°F) | 6°C (43°F) | 0.09" |
| 1994 | 21°C (69°F) | 7°C (45°F) | 0.01" |
| 1993 | 16°C (60°F) | 4°C (39°F) | 0" |
| 1992 | 16°C (60°F) | 12°C (53°F) | 0.08" |
| 1991 | 13°C (56°F) | 4°C (39°F) | 0.29" |
| 1990 | 11°C (51°F) | 7°C (44°F) | 0.01" |
| 1989 | 16°C (61°F) | 14°C (57°F) | 0.04" |
| 1988 | 13°C (55°F) | 11°C (51°F) | 1.54" |
| 1987 | 14°C (57°F) | 4°C (40°F) | 0" |
| 1986 | 12°C (54°F) | 2°C (36°F) | 0" |
| 1985 | 13°C (55°F) | 1°C (33°F) | 0" |
| 1984 | 12°C (54°F) | 7°C (45°F) | 0.31" |
| 1983 | 16°C (60°F) | 4°C (40°F) | 0.37" |
| 1982 | 12°C (54°F) | 2°C (35°F) | 0.01" |
| 1981 | 18°C (64°F) | 8°C (47°F) | 0.06" |
| 1980 | 14°C (57°F) | 11°C (51°F) | 0" |
| 1979 | 11°C (51°F) | 4°C (40°F) | 0" |
| 1978 | 10°C (50°F) | 6°C (42°F) | 1.61" |
| 1977 | 16°C (60°F) | 4°C (39°F) | 0" |
| 1976 | 15°C (59°F) | 4°C (40°F) | 0" |
| 1975 | 16°C (60°F) | 12°C (54°F) | 0" |
| 1974 | 13°C (56°F) | 7°C (44°F) | 0.6" |
| 1973 | 6°C (42°F) | 3°C (37°F) | 1.79" |
| 1972 | 15°C (59°F) | 5°C (41°F) | 0" |
| 1971 | 14°C (57°F) | 8°C (47°F) | 0.12" |