Hämeenlinna Weather in September

September in Hämeenlinna typically sees daytime highs of 16°C (61°F) and nighttime lows of 7°C (45°F). Expect some rainfall during the month.

Rainfall in Hämeenlinna in September

Historically, the month has about 17 days of rain, averaging 58 mm (2.3 in) in total. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Hämeenlinna in September

In September, Hämeenlinna sees moderate temperatures, with highs of 16°C (61°F). Nights drop to around 7°C (45°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Hämeenlinna in September

You can expect a moderate amount of sunlight, with approximately 125 hours. This means a pleasant mix of sun and overcast.

If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Hämeenlinna.