Riga Weather in September
In September, Riga averages a high of 17°C (62°F) and a low of 8°C (47°F), based on 43 years of historical weather data from RIGA.
17°C
Average high
62°F
8°C
Average low
47°F
29°C
Record high
85°F · 1992
-4°C
Record low
24°F · 1993
What to Expect in Riga in September
Typical September days in Riga reach 17°C (62°F) during the afternoon and cool to around 8°C (47°F) overnight. On average, measurable rain falls on about 53% of days this month. Over the past 43 years, September temperatures in Riga have ranged from a record high of 29°C (1992) down to a record low of -4°C (1993).
For a day-by-day look or other months, see the full Riga weather history.