Weather in Kostroma in September
Kostroma, Russia averages a high of 14.7°C (58.5°F) and low of 8.3°C (46.9°F) in September, with 10 rain days and 7.1 hours of daily sunshine. Travel score: 62.9/100 (Good). The best time to visit Kostroma is July.
High
15°C58°F
Low
8°C47°F
🌧️
10
rain days
☀️
7.1
hrs/day sunshine
💧
78%
humidity
63— Good
September in Kostroma is cool and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Kostroma?
How much does it rain in Kostroma in September?
Kostroma receives an average of 60.3mm of rainfall across 10 rainy days in September. The annual total is 627.3mm.
What should I pack for Kostroma in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 15°C
🧶
Sweaters and warm layers
Layer up for comfort
Traveling to Russia in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31