Measurements:
°C
°F
Riga
50°F
N 9 mph
Feels like: 46°F
Precip: 28%
World Resorts Latvia Riga Weather

7 Day Weather Forecast

09.29
tue
DAY
60°F
N 11 mph
precip
18%
NIGHT
58°F
NE 5 mph
precip
25%
09.30
wed
DAY
62°F
SE 2 mph
precip
20%
NIGHT
56°F
NW 4 mph
precip
20%
10.01
thu
DAY
62°F
NW 7 mph
precip
9%
NIGHT
54°F
NW 6 mph
precip
13%
10.02
fri
DAY
60°F
N 7 mph
precip
5%
NIGHT
52°F
N 8 mph
precip
9%
10.03
sat
DAY
60°F
N 11 mph
precip
4%
NIGHT
50°F
N 8 mph
precip
10%
10.04
sun
DAY
58°F
N 11 mph
precip
13%
NIGHT
48°F
N 7 mph
precip
8%
10.05
mon
DAY
56°F
N 9 mph
precip
2%
NIGHT
48°F
N 6 mph
precip
6%

Riga Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Riga was 16.5°F. The maximum and minimum values were 14.6°F and 17.8°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 62.8 °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