Joensuu Weather in September

In Joensuu, September brings moderate daytime temperatures around 14°C (57°F), with nights cooling to 8°C (46°F). Expect quite a bit of rainfall this month.

Rainfall in Joensuu in September

Typically around 17 days of rainfall are expected, averaging 80 mm (3.1 in) for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Joensuu in September

If you're visiting Joensuu in September, expect highs of 14°C (57°F) and overnight lows around 8°C (46°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Joensuu in September

You can expect a moderate amount of sunlight, with approximately 110 hours. This means a pleasant mix of sun and overcast.

If you prefer enjoying temperate temperatures and rain-free days, 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.