Petrozavodsk Weather in September
September in Petrozavodsk typically sees daytime highs of 15°C (59°F) and nighttime lows of 8°C (46°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Petrozavodsk in September
Climate statistics over the past 30 years suggest around 18 days of rain, with 70 mm (2.8 in) average for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Petrozavodsk in September
Petrozavodsk in September gets highs of 15°C (59°F) during the day and drops to 8°C (46°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Petrozavodsk in September
The month experiences a moderate amount of sunlight, with 126 hours of sunshine. This provides a nice balance between sunshine and clouds.If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Petrozavodsk.
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 Petrozavodsk's climate page.
Petrozavodsk Temperature in September
Min Temperature
8°C (46°F)
Max Temperature
15°C (59°F)
Chance of Rain
59%
Precipitation
70 mm (2.8 in)
Rainy days
18 days
Humidity
85%
Sunshine
126 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Petrozavodsk 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 4°C (39°F) to 9°C (48°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 Petrozavodsk in September
Browse day-by-day weather records for Petrozavodsk spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Petrozavodsk historical weather extremes in September
Our historical data for Petrozavodsk spans 1976 to 2025, revealing these weather extremes.
- The warmest day in September was on September 14, 2024, with a maximum of 27°C (81°F).
- The lowest daytime temperature in September was 1°C (34°F), recorded on September 27, 1986.
- The coldest night in September in Petrozavodsk was on September 30, 1980, with a minimum of -4°C (25°F).
- Peak precipitation in September occurred on September 17, 2020, when 32 mm (1.3 in) of precipitation was measured.
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 Petrozavodsk in September
The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Petrozavodsk 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 Petrozavodsk's climate page.
Temperature Rainfall Sunshine Humidity
See the full Petrozavodsk climate overview or explore weather in Russia.
