Click on a day for an hourly weather forecast
The temperatures in Estonia in September are usually low and can range between 10°C and 16°C.
You can expect about 3 to 8 days of rain in Estonia 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 Estonia in September 2025.
If you’re planning to visit Estonia in the near future, we highly recommend that you review the 14 day weather forecast for Estonia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -5° | 7 | 5 | 22 | 83 mm | Awful | Estonia in January |
| February | -2° / -5° | 6 | 3 | 21 | 71 mm | Awful | Estonia in February |
| March | 1° / -3° | 10 | 5 | 19 | 67 mm | Awful | Estonia in March |
| April | 7° / 1° | 7 | 15 | 8 | 60 mm | Awful | Estonia in April |
| May | 13° / 6° | 6 | 24 | 1 | 77 mm | Ok | Estonia in May |
| June | 18° / 11° | 7 | 23 | 0 | 114 mm | Ok | Estonia in June |
| July | 21° / 14° | 8 | 23 | 0 | 131 mm | Ok | Estonia in July |
| August | 20° / 14° | 8 | 23 | 0 | 139 mm | Ok | Estonia in August |
| September | 16° / 10° | 7 | 23 | 0 | 106 mm | Ok | Estonia in September |
| October | 9° / 5° | 10 | 18 | 4 | 108 mm | Awful | Estonia in October |
| November | 5° / 2° | 10 | 12 | 8 | 93 mm | Awful | Estonia in November |
| December | 1° / -2° | 9 | 5 | 20 | 91 mm | Awful | Estonia in December |