Weather on September 11 in Riga
Historical weather data for September 11 in Riga, Latvia
Based on 47 years of data from RIGA
About This Date
September 11th in Riga, Latvia typically brings mild fall weather, with average highs around 18°C and lows near 10°C. Over 47 years of records, the warmest September 11th was in 1972 (21°C average), while the coldest was 1977 (8°C) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 36% of September 11th dates historically, with the wettest September 11th recording 1.52" of rain. The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
Planning for September 11th in Riga? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 23°C (73°F) | 18°C (65°F) | -- |
| 2024 | 21°C (70°F) | 14°C (58°F) | -- |
| 2023 | 25°C (77°F) | 14°C (58°F) | 0" |
| 2022 | 18°C (64°F) | 4°C (40°F) | -- |
| 2017 | 17°C (62°F) | 11°C (51°F) | 0.81" |
| 2016 | 26°C (78°F) | 11°C (51°F) | -- |
| 2015 | 21°C (70°F) | 4°C (39°F) | -- |
| 2014 | -- | 11°C (51°F) | -- |
| 2013 | -- | 13°C (56°F) | -- |
| 2012 | 22°C (71°F) | 13°C (55°F) | -- |
| 2011 | 19°C (66°F) | -- | -- |
| 2010 | 15°C (59°F) | 12°C (54°F) | 0.05" |
| 2009 | 18°C (65°F) | -- | 0.03" |
| 2004 | 23°C (73°F) | 11°C (52°F) | -- |
| 2003 | 16°C (61°F) | 12°C (53°F) | -- |
| 2002 | 18°C (65°F) | 9°C (49°F) | -- |
| 2001 | 14°C (58°F) | 10°C (50°F) | 0.51" |
| 2000 | 19°C (66°F) | 8°C (47°F) | -- |
| 1999 | 19°C (66°F) | 10°C (50°F) | 0" |
| 1998 | 18°C (65°F) | 16°C (61°F) | 1.5" |
| 1997 | 16°C (60°F) | -- | -- |
| 1996 | 13°C (55°F) | 7°C (44°F) | 0.2" |
| 1995 | 18°C (65°F) | 9°C (48°F) | 0" |
| 1994 | 17°C (63°F) | -- | 0" |
| 1993 | 13°C (56°F) | -- | 0" |
| 1992 | 18°C (65°F) | -- | 0" |
| 1991 | 14°C (58°F) | 11°C (51°F) | 0.19" |
| 1990 | 13°C (56°F) | 9°C (48°F) | 0.21" |
| 1989 | 16°C (60°F) | 10°C (50°F) | 0" |
| 1988 | 19°C (66°F) | 11°C (52°F) | 0" |
| 1987 | 17°C (62°F) | 12°C (54°F) | 0.78" |
| 1986 | 14°C (58°F) | 8°C (46°F) | 0.12" |
| 1985 | 14°C (58°F) | 9°C (48°F) | 0.23" |
| 1984 | 15°C (59°F) | 11°C (52°F) | 0.56" |
| 1983 | 21°C (70°F) | 11°C (52°F) | 0" |
| 1982 | 19°C (67°F) | 7°C (45°F) | 0" |
| 1981 | 18°C (64°F) | 13°C (55°F) | 0" |
| 1980 | 18°C (64°F) | 8°C (46°F) | 0" |
| 1979 | 17°C (62°F) | 9°C (49°F) | 0.03" |
| 1978 | 16°C (61°F) | 12°C (53°F) | 0.84" |
| 1977 | 13°C (56°F) | 2°C (35°F) | 1.34" |
| 1976 | 18°C (64°F) | 11°C (52°F) | 0.04" |
| 1975 | 22°C (71°F) | 11°C (51°F) | 0" |
| 1974 | 16°C (61°F) | 10°C (50°F) | 0" |
| 1973 | 12°C (53°F) | 6°C (43°F) | 1.52" |
| 1972 | 24°C (76°F) | 16°C (61°F) | 0" |
| 1971 | 13°C (55°F) | 6°C (43°F) | 0" |