Weather on September 1 in Riga
Historical weather data for September 1 in Riga, Latvia
Avg High19°C (67°F)
Avg Low11°C (51°F)
Warmest199225°C
Coldest20229°C
Based on 47 years of data from RIGA
About This Date
September 1st in Riga, Latvia typically brings mild fall weather, with average highs around 19°C and lows near 11°C. Over 47 years of records, the warmest September 1st was in 1992 (25°C average), while the coldest was 2022 (9°C) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 23% of September 1st dates historically, with the wettest September 1st recording 1.04" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for September 1st in Riga? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 18°C (65°F) | 13°C (55°F) | -- |
| 2024 | 19°C (67°F) | 14°C (58°F) | -- |
| 2023 | -- | 14°C (58°F) | 26 mm |
| 2022 | 14°C (57°F) | 4°C (39°F) | -- |
| 2018 | 23°C (73°F) | 13°C (56°F) | -- |
| 2017 | 20°C (68°F) | -- | -- |
| 2016 | 24°C (76°F) | 11°C (52°F) | -- |
| 2015 | 21°C (70°F) | -- | -- |
| 2014 | -- | 7°C (44°F) | -- |
| 2013 | -- | 14°C (58°F) | -- |
| 2012 | 16°C (61°F) | 13°C (55°F) | -- |
| 2011 | 18°C (64°F) | 10°C (50°F) | -- |
| 2010 | 18°C (64°F) | 7°C (44°F) | -- |
| 2009 | 23°C (73°F) | 13°C (55°F) | -- |
| 2004 | 21°C (70°F) | 13°C (56°F) | -- |
| 2003 | 17°C (63°F) | 8°C (46°F) | -- |
| 2002 | 23°C (74°F) | 17°C (62°F) | -- |
| 2001 | 19°C (66°F) | 8°C (46°F) | -- |
| 2000 | 20°C (68°F) | 11°C (52°F) | 3 mm |
| 1999 | 23°C (74°F) | 13°C (56°F) | 0 mm |
| 1997 | 25°C (77°F) | 16°C (60°F) | -- |
| 1996 | 24°C (75°F) | 9°C (49°F) | 0 mm |
| 1995 | -- | 12°C (54°F) | -- |
| 1994 | 18°C (64°F) | 3°C (38°F) | 0 mm |
| 1993 | 16°C (60°F) | 7°C (44°F) | 1 mm |
| 1992 | 29°C (85°F) | 21°C (70°F) | 0 mm |
| 1991 | 21°C (70°F) | 8°C (46°F) | 0 mm |
| 1990 | 19°C (66°F) | 9°C (49°F) | 0 mm |
| 1989 | 14°C (58°F) | 11°C (51°F) | 0 mm |
| 1988 | 19°C (67°F) | 11°C (52°F) | 0 mm |
| 1987 | 14°C (57°F) | 10°C (50°F) | 1 mm |
| 1986 | 15°C (59°F) | 9°C (49°F) | 2 mm |
| 1985 | 23°C (73°F) | 11°C (52°F) | 0 mm |
| 1984 | 17°C (63°F) | 13°C (55°F) | 1 mm |
| 1983 | 21°C (69°F) | 13°C (55°F) | 0 mm |
| 1982 | 22°C (72°F) | 11°C (52°F) | 3 mm |
| 1981 | 12°C (54°F) | 7°C (44°F) | 4 mm |
| 1980 | 15°C (59°F) | 8°C (46°F) | 1 mm |
| 1979 | 16°C (61°F) | 11°C (51°F) | 0 mm |
| 1978 | 17°C (62°F) | 12°C (53°F) | 3 mm |
| 1977 | 26°C (78°F) | 14°C (58°F) | 0 mm |
| 1976 | 22°C (71°F) | 16°C (60°F) | 0 mm |
| 1975 | 24°C (76°F) | 7°C (45°F) | 0 mm |
| 1974 | 23°C (74°F) | 7°C (45°F) | 0 mm |
| 1973 | 18°C (65°F) | 12°C (53°F) | 12 mm |
| 1972 | 16°C (61°F) | 6°C (43°F) | 0 mm |
| 1971 | 21°C (69°F) | 10°C (50°F) | 0 mm |