Click on a day for an hourly weather forecast
The temperatures in Tartu in September are quite cold with temperatures between 9°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Tartu 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 Tartu in September 2025.
If you’re planning to visit Tartu in the near future, we highly recommend that you review the 14 day weather forecast for Tartu before you arrive.
Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
---|---|---|---|---|---|---|---|
January | -4° / -8° | 6 | 4 | 23 | 72 mm | Awful | Tartu in January |
February | -2° / -7° | 5 | 2 | 22 | 67 mm | Awful | Tartu in February |
March | 2° / -4° | 10 | 5 | 19 | 69 mm | Awful | Tartu in March |
April | 9° / 1° | 8 | 15 | 8 | 67 mm | Awful | Tartu in April |
May | 16° / 6° | 7 | 23 | 1 | 88 mm | Ok | Tartu in May |
June | 21° / 10° | 7 | 23 | 0 | 120 mm | Ok | Tartu in June |
July | 24° / 13° | 7 | 24 | 0 | 113 mm | Good | Tartu in July |
August | 22° / 12° | 6 | 25 | 0 | 114 mm | Good | Tartu in August |
September | 16° / 9° | 6 | 24 | 0 | 82 mm | Good | Tartu in September |
October | 9° / 3° | 10 | 17 | 4 | 90 mm | Awful | Tartu in October |
November | 4° / 0° | 9 | 12 | 9 | 88 mm | Awful | Tartu in November |
December | -1° / -4° | 7 | 5 | 21 | 82 mm | Awful | Tartu in December |