Click on a day for an hourly weather forecast
The temperatures in Latvia in September are usually low and can range between 10°C and 17°C.
You can expect about 3 to 8 days of rain in Latvia 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 Latvia in September 2025.
If you’re planning to visit Latvia in the near future, we highly recommend that you review the 14 day weather forecast for Latvia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -5° | 6 | 8 | 18 | 52 mm | Awful | Latvia in January |
| February | -1° / -5° | 5 | 7 | 17 | 43 mm | Awful | Latvia in February |
| March | 4° / -2° | 7 | 12 | 12 | 48 mm | Awful | Latvia in March |
| April | 11° / 2° | 6 | 20 | 4 | 51 mm | Bad | Latvia in April |
| May | 17° / 7° | 6 | 25 | 0 | 68 mm | Good | Latvia in May |
| June | 21° / 11° | 6 | 24 | 0 | 85 mm | Good | Latvia in June |
| July | 24° / 14° | 7 | 24 | 0 | 104 mm | Good | Latvia in July |
| August | 22° / 13° | 6 | 25 | 0 | 87 mm | Good | Latvia in August |
| September | 17° / 10° | 4 | 26 | 0 | 63 mm | Good | Latvia in September |
| October | 11° / 5° | 6 | 24 | 1 | 66 mm | Ok | Latvia in October |
| November | 5° / 2° | 7 | 19 | 4 | 64 mm | Awful | Latvia in November |
| December | 1° / -2° | 7 | 11 | 14 | 50 mm | Awful | Latvia in December |