Cēsis Weather in September
Thinking of visiting Cēsis in September? Expect moderate temperatures reaching 17°C (63°F) during the day, dropping to 8°C (46°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Cēsis in September
This month experiences about 16 days of rain according to historical data, averaging 71 mm (2.8 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Cēsis in September
September in Cēsis sees highs of 17°C (63°F) and lows of 8°C (46°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer 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 Latvia, check out our Cēsis's climate page.
Cēsis Temperature in September
Min Temperature
8°C (46°F)
Max Temperature
17°C (63°F)
Chance of Rain
54%
Precipitation
71 mm (2.8 in)
Rainy days
16 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cēsis typically drop from around 18°C (64°F) at the start of September to approximately 13°C (55°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°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 Cēsis in September
Browse day-by-day weather records for Cēsis spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cēsis historical weather extremes in September
Based on weather observations in Cēsis between 1976 and 2025, these are the recorded extremes during September.
- The hottest September day on record in Cēsis reached 29°C (84°F) (September 1, 1992).
- Cēsis experienced its chilliest September day on September 27, 1986, reaching only 4°C (39°F).
- The lowest overnight temperature recorded in September was -5°C (23°F) (September 25, 1977).
Best Places in Latvia in September
Find out more about the weather in Latvia and which places have the best travel conditions in this month. See all of Latvia in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Cēsis in September
For Cēsis in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.What To Do in Cēsis 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 Latvia, check out our Cēsis's climate page.
See the full Cēsis climate overview or explore weather in Latvia.
