16-day forecast — Riga Updated every hour
Fri · Today
Showers
+13°
+12°
9.9 mm
⌄
Wind 31 km/h W
Gusts 47 km/h
UV index 0 – Low
Chance of rain 90%
Sunrise 07:15
Sunset 19:15
Sat · Tomorrow
Showers
+15°
+11°
2.8 mm
⌄
Wind 18 km/h S
Gusts 37 km/h
UV index 1 – Low
Chance of rain 82%
Sunrise 07:17
Sunset 19:12
Sunday 27/9
Clear
+15°
+11°
0.3 mm
⌄
Wind 18 km/h SW
Gusts 36 km/h
UV index 2 – Low
Chance of rain 34%
Sunrise 07:19
Sunset 19:09
Monday 28/9
Clear
+17°
+9°
9%
⌄
Wind 10 km/h SE
Gusts 19 km/h
UV index 2 – Low
Chance of rain 9%
Sunrise 07:21
Sunset 19:07
Tuesday 29/9
Clear
+18°
+10°
13%
⌄
Wind 17 km/h S
Gusts 30 km/h
UV index 4 – Moderate
Chance of rain 13%
Sunrise 07:23
Sunset 19:04
Wednesday 30/9
Clear
+18°
+10°
9%
⌄
Wind 10 km/h SE
Gusts 17 km/h
UV index 5 – Moderate
Chance of rain 9%
Sunrise 07:25
Sunset 19:01
Thursday 1/10
Clear
+17°
+9°
8%
⌄
Wind 12 km/h S
Gusts 21 km/h
UV index 5 – Moderate
Chance of rain 8%
Sunrise 07:27
Sunset 18:59
Friday 2/10
Clear
+17°
+9°
8%
⌄
Wind 14 km/h SE
Gusts 29 km/h
UV index 5 – Moderate
Chance of rain 8%
Sunrise 07:29
Sunset 18:56
Saturday 3/10
Clear
+16°
+8°
7%
⌄
Wind 13 km/h SE
Gusts 31 km/h
UV index 5 – Moderate
Chance of rain 7%
Sunrise 07:31
Sunset 18:53
Sunday 4/10
Clear
+15°
+9°
13%
⌄
Wind 17 km/h E
Gusts 31 km/h
UV index 5 – Moderate
Chance of rain 13%
Sunrise 07:33
Sunset 18:50
Monday 5/10
Cloudy
+17°
+11°
16%
⌄
Wind 16 km/h SE
Gusts 34 km/h
UV index 5 – Moderate
Chance of rain 16%
Sunrise 07:35
Sunset 18:48
Tuesday 6/10
Clear
+16°
+9°
8%
⌄
Wind 10 km/h SE
Gusts 21 km/h
UV index 5 – Moderate
Chance of rain 8%
Sunrise 07:37
Sunset 18:45
Wednesday 7/10
Clear
+15°
+9°
8%
⌄
Wind 16 km/h SE
Gusts 38 km/h
UV index 5 – Moderate
Chance of rain 8%
Sunrise 07:39
Sunset 18:42
Thursday 8/10
Clear
+16°
+8°
9%
⌄
Wind 21 km/h SE
Gusts 47 km/h
UV index 5 – Moderate
Chance of rain 9%
Sunrise 07:42
Sunset 18:40
Friday 9/10
Showers
+12°
+7°
3.1 mm
⌄
Wind 21 km/h SW
Gusts 31 km/h
UV index 2 – Low
Chance of rain —
Sunrise 07:44
Sunset 18:37
Saturday 10/10
Showers
+12°
+7°
3.6 mm
⌄
Wind 21 km/h S
Gusts 29 km/h
UV index 2 – Low
Chance of rain —
Sunrise 07:46
Sunset 18:34
About Riga
Größte Stadt des Baltikums mit Jugendstilviertel — kühles Ostseeklima.
Country Latvia
Region Riga
Continent Europe
Time zone Europe/Riga (+03:00)
Latitude 56.9460°
Longitude 24.1059°
Air quality Good (EAQI 17)
Climate in Riga in September
Normals 8 years · best time to visit · Open-Meteo
Best time to visit Riga : June–September . With good weather, September is a recommended month to visit.
Photo: Wikimedia
August
September
October
Average temperature
▼ 18°C
14°C
▼ 9°C
Highest temperature
▼ 22°C
18°C
▼ 12°C
Lowest temperature
▼ 14°C
11°C
▼ 6°C
Sea temperature
▼ 20,2°C
18,5°C
▼ 12,4°C
Precipitation
▼ 97 mm
60 mm
▲ 81 mm
Days with precipitation
▼ 14 d
11 d
▲ 15 d
Humidity
▲ 78%
79%
▲ 85%
Sunshine hours per day
▼ 11,3 h
9,6 h
▼ 5,6 h
Cloud cover
→ 25%
25%
▲ 46%
UV index (midday)
▼ 7
4
▼ 2
Day length
15:08
12:46
10:20
Our rating
Good
Good
Poor
Temperature day by day in September mean + moving average
10° 12° 14° 16° 18° 1 6 11 16 21 26
Precipitation day by day in September mm
0 2.1 4.2 1 6 11 16 21 26
UV index day by day in September midday value, clear-sky
0 5.5 11 1 6 11 16 21 26
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
Other destinations in Europe
Weather Riga
Data source
Global weather models — international forecasts
Weather in Riga (Latvia): current conditions plus a 24-hour and 16-day forecast for planning your trip. Right now on the ground: +12°, showers, wind 27 km/h. Over the next 7 days temperatures range between 9 and 18 °C, with 5 fine days and 13 mm of rain. Climatologically, highs in September are around 18 °C, with a sea temperature of about 19 °C. Best time to visit: usually June–September. Local time (time zone Europe/Riga). Data from Open-Meteo and WeatherAPI.