Weather on September 12 in Riga
Historical weather data for September 12 in Riga, Latvia
Based on 48 years of data from RIGA
About This Date
September 12th in Riga, Latvia typically brings mild fall weather, with average highs around 17°C and lows near 9°C. Over 48 years of records, the warmest September 12th was in 2023 (19°C average), while the coldest was 1973 (8°C) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 44% of September 12th dates historically, with the wettest September 12th recording 1.57" of rain. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for September 12th in Riga? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 18°C (65°F) | 9°C (49°F) | -- |
| 2025 | 16°C (60°F) | 13°C (56°F) | -- |
| 2024 | 22°C (71°F) | 13°C (56°F) | -- |
| 2023 | 23°C (74°F) | 15°C (59°F) | 0 mm |
| 2022 | 13°C (55°F) | 9°C (49°F) | -- |
| 2017 | 19°C (67°F) | -- | 8 mm |
| 2016 | 23°C (74°F) | -- | -- |
| 2015 | -- | 9°C (48°F) | -- |
| 2014 | -- | 14°C (57°F) | -- |
| 2013 | -- | 11°C (52°F) | -- |
| 2012 | 19°C (67°F) | -- | -- |
| 2011 | 21°C (69°F) | -- | -- |
| 2010 | 18°C (65°F) | 13°C (56°F) | -- |
| 2009 | 17°C (63°F) | 6°C (43°F) | -- |
| 2004 | 22°C (71°F) | 14°C (57°F) | 2 mm |
| 2003 | 18°C (65°F) | 11°C (52°F) | -- |
| 2002 | 18°C (65°F) | 6°C (42°F) | -- |
| 2001 | 17°C (62°F) | 11°C (51°F) | 6 mm |
| 2000 | 16°C (61°F) | 9°C (48°F) | 3 mm |
| 1999 | -- | 7°C (44°F) | 0 mm |
| 1998 | 19°C (66°F) | 15°C (59°F) | 10 mm |
| 1997 | 18°C (64°F) | 7°C (45°F) | -- |
| 1996 | 14°C (57°F) | 6°C (42°F) | -- |
| 1995 | 19°C (66°F) | 7°C (45°F) | 0 mm |
| 1994 | 18°C (65°F) | 10°C (50°F) | 6 mm |
| 1993 | 13°C (55°F) | -- | 40 mm |
| 1992 | 19°C (66°F) | 4°C (40°F) | 0 mm |
| 1991 | 13°C (55°F) | 8°C (46°F) | 3 mm |
| 1990 | 11°C (52°F) | 7°C (44°F) | 0 mm |
| 1989 | 14°C (58°F) | 3°C (37°F) | 1 mm |
| 1988 | 17°C (63°F) | 13°C (55°F) | 6 mm |
| 1987 | 17°C (63°F) | 9°C (49°F) | 3 mm |
| 1986 | 14°C (58°F) | 7°C (45°F) | 0 mm |
| 1985 | 14°C (58°F) | 6°C (43°F) | 5 mm |
| 1984 | 14°C (58°F) | 8°C (47°F) | 0 mm |
| 1983 | 19°C (66°F) | 14°C (58°F) | 8 mm |
| 1982 | 17°C (62°F) | 10°C (50°F) | 0 mm |
| 1981 | 17°C (62°F) | 8°C (47°F) | 0 mm |
| 1980 | 17°C (62°F) | 11°C (52°F) | 2 mm |
| 1979 | 16°C (60°F) | 11°C (52°F) | 2 mm |
| 1978 | 14°C (58°F) | 10°C (50°F) | 6 mm |
| 1977 | 16°C (61°F) | 7°C (45°F) | 10 mm |
| 1976 | 22°C (72°F) | 8°C (47°F) | 0 mm |
| 1975 | 23°C (73°F) | 11°C (51°F) | 0 mm |
| 1974 | 19°C (66°F) | 7°C (45°F) | 0 mm |
| 1973 | 12°C (54°F) | 4°C (40°F) | 8 mm |
| 1972 | 21°C (69°F) | 10°C (50°F) | 11 mm |
| 1971 | 16°C (60°F) | 4°C (39°F) | 0 mm |