Measurements:
°C
°F
Riga
64°F
N 11 mph
Feels like: 64°F
Precip: 23%
World Resorts Latvia Riga Weather

7 Day Weather Forecast

09.08
tue
DAY
68°F
N 14 mph
precip
13%
NIGHT
64°F
N 11 mph
precip
23%
09.09
wed
DAY
70°F
N 7 mph
precip
7%
NIGHT
62°F
NE 11 mph
precip
28%
09.10
thu
DAY
64°F
NE 18 mph
precip
6%
NIGHT
52°F
NE 11 mph
precip
15%
09.11
fri
DAY
64°F
E 13 mph
precip
9%
NIGHT
54°F
NE 11 mph
precip
24%
09.12
sat
DAY
68°F
NE 12 mph
precip
4%
NIGHT
56°F
NE 8 mph
precip
13%
09.13
sun
DAY
60°F
NE 9 mph
precip
21%
NIGHT
56°F
NE 7 mph
precip
28%
09.14
mon
DAY
60°F
NE 8 mph
precip
25%
NIGHT
58°F
S 5 mph
precip
32%

Riga Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Riga was 16.7°F. The maximum and minimum values were 14.6°F and 18.5°F respectively.

Riga on the Weather Map

Best Time to Visit Riga
The most sunny months:
May 14 days
June 12 days
July 12 days
The most warm months:
July 73.8 °F
August 72.8 °F
June 69.4 °F
Warmest sea temperature:
August 68.4 °F
July 67.1 °F
September 62.7 °F
The most cold months:
January 26.7 °F
February 28.7 °F
December 32.9 °F
The most rainy months:
July 5 days
August 4 days
October 4 days
The most windy months:
December 11 mph
January 11 mph
October 10 mph