Lake Baikal Weather in September
In Lake Baikal, September brings moderate daytime temperatures around 15°C (59°F), with nights cooling to 11°C (52°F). Some rainfall is to be expected.
Rainfall in Lake Baikal in September
Expect around 10 days of rain based on historical data, with 43 mm (1.7 in) average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Lake Baikal in September
Daytime highs in Lake Baikal in September reach 15°C (59°F), with nights around 11°C (52°F). Experience the summer season in September. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.If you prefer enjoying temperate temperatures and rain-free days, August typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Russia, check out our Lake Baikal's climate page.
Lake Baikal Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Lake Baikal typically drop from around 16°C (61°F) at the start of September to approximately 10°C (50°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 10°C (50°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Lake Baikal in September
Browse day-by-day weather records for Lake Baikal spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Lake Baikal historical weather extremes in September
Based on weather observations in Lake Baikal between 1976 and 2025, these are the recorded extremes during September.
- The hottest September day on record in Lake Baikal reached 27°C (81°F) (September 5, 2007).
- The coldest September day was on September 28, 1977, with a maximum of 2°C (36°F).
- Nighttime temperatures dropped to -6°C (21°F) on September 30, 2004, marking the coldest September night on record.
Best Places in Russia in September
Find out more about the weather in Russia and which places have the best travel conditions in this month. See all of Russia in September →
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What to Wear in Lake Baikal in September
The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket.What To Do in Lake Baikal in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Russia, check out our Lake Baikal's climate page.
See the full Lake Baikal climate overview or explore weather in Russia.