Riga Weather in September
Latvia · 30-year monthly averages
👍 Good time to visit
September in Riga is mild, with average daytime highs around 17°C (63°F) and nighttime lows near 10°C (50°F). Expect roughly 67mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
Avg high
17°C
63°F
Avg low
10°C
50°F
Rainfall
67mm
moderate
Rainy days
9
days with ≥1mm
☀️ About 167 hours of sunshine over the month (~6h/day).
🎒 What to pack
- light jacket
- layers for cool evenings
September vs the rest of the year
FAQ
- How hot is Riga in September?
- September in Riga is mild, with average daytime highs around 17°C (63°F) and nighttime lows near 10°C (50°F). Expect roughly 67mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
- Does it rain a lot in Riga in September?
- Riga sees around 67mm of precipitation in September on average — moderate by global standards.
- Is September a good time to visit Riga?
- September is a good month to visit Riga, with generally agreeable conditions.