Riga Weather in September
16°C high · 8.3°C low · 76 mm rain · 4.2h sun
Sep is a warm month in Riga — not peak season, but a good time to avoid crowds.
September at a glance
| Metric | Value |
|---|---|
| Average high | 16°C |
| Average low | 8.3°C |
| Rainfall | 76 mm |
| Sunshine | 4.2 hours/day |
| Daylight | 12.5 hours |
What to pack in September
Pack a jacket and layers for Riga in September.
Riga weather by month
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Frequently asked questions
What is the weather in Riga in September?
Highs of 16°C and lows of 8.3°C, with about 76 mm of rain and 4.2 hours of sunshine per day.
Is September a good time to visit Riga?
Sep is a warm month in Riga — not peak season, but a good time to avoid crowds.
What to do in Riga · Best time to visit Riga
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.