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The temperatures in Lake Baikal in September are quite cold with temperatures between 5°C and 13°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Lake Baikal 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.
Please note that Lake Baikal can expect a few days of snow in September.
Our weather forecast can give you a great sense of what weather to expect in Lake Baikal in September 2025.
If you’re planning to visit Lake Baikal in the near future, we highly recommend that you review the 14 day weather forecast for Lake Baikal before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -12° / -18° | 5 | 6 | 21 | 42 mm | Awful | Lake Baikal in January |
| February | -10° / -18° | 6 | 4 | 20 | 34 mm | Awful | Lake Baikal in February |
| March | -2° / -11° | 6 | 6 | 19 | 56 mm | Awful | Lake Baikal in March |
| April | 6° / -3° | 5 | 11 | 14 | 70 mm | Awful | Lake Baikal in April |
| May | 12° / 2° | 7 | 19 | 5 | 111 mm | Awful | Lake Baikal in May |
| June | 19° / 8° | 7 | 23 | 0 | 118 mm | Ok | Lake Baikal in June |
| July | 21° / 11° | 7 | 24 | 0 | 169 mm | Ok | Lake Baikal in July |
| August | 19° / 10° | 8 | 23 | 0 | 180 mm | Ok | Lake Baikal in August |
| September | 13° / 5° | 7 | 21 | 2 | 118 mm | Awful | Lake Baikal in September |
| October | 5° / -2° | 6 | 13 | 12 | 73 mm | Awful | Lake Baikal in October |
| November | -5° / -11° | 5 | 6 | 18 | 55 mm | Awful | Lake Baikal in November |
| December | -10° / -15° | 5 | 5 | 22 | 58 mm | Awful | Lake Baikal in December |