Click on a day for an hourly weather forecast
The temperatures in Rigas in September are usually low and can range between 11°C and 16°C.
You can expect about 3 to 8 days of rain in Rigas during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Rigas in September 2025.
If you’re planning to visit Rigas in the near future, we highly recommend that you review the 14 day weather forecast for Rigas before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -5° | 7 | 5 | 20 | 93 mm | Awful | Rigas in January |
| February | -1° / -5° | 7 | 3 | 19 | 72 mm | Awful | Rigas in February |
| March | 2° / -2° | 8 | 9 | 14 | 65 mm | Awful | Rigas in March |
| April | 8° / 2° | 5 | 20 | 5 | 46 mm | Bad | Rigas in April |
| May | 14° / 7° | 6 | 24 | 0 | 65 mm | Good | Rigas in May |
| June | 19° / 12° | 4 | 26 | 0 | 65 mm | Good | Rigas in June |
| July | 22° / 15° | 5 | 27 | 0 | 77 mm | Good | Rigas in July |
| August | 21° / 14° | 5 | 26 | 0 | 95 mm | Good | Rigas in August |
| September | 16° / 11° | 5 | 25 | 0 | 74 mm | Good | Rigas in September |
| October | 10° / 6° | 8 | 22 | 1 | 112 mm | Bad | Rigas in October |
| November | 5° / 3° | 10 | 16 | 5 | 101 mm | Awful | Rigas in November |
| December | 1° / -2° | 11 | 5 | 17 | 97 mm | Awful | Rigas in December |