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Check accurate weather in September in Helsinki. Expect Helsinki September temperature around 16°C (61°F). Read clothing tips & recommended activities.
Get the monthly weather forecast for Helsinki, Uusimaa, Finland, including daily high/low, historical averages, to help you plan ahead.
Following a mild summer, autumn reaches Helsinki early in September, with average daily temperatures around 10°C. A beautiful and brisk season, the average high during this month is 14°C, while the lows dip down to 6°C.
Jul 23, 2022 · The average temperature across the country in September is 50°F (10°C); generally, northern areas are much cooler than the south. Fall is also quite a wet season in Finland, so expect cloudy skies and rain some of the time. Crowds & Costs.
Get the monthly weather forecast for Helsinki, Southwest Finland, Finland, including daily high/low, historical averages, to help you plan ahead.
In Helsinki during September average daily high temperatures decrease from 62°F to 53°F and the fraction of time spent overcast or mostly cloudy increases from 49% to 55%.
Jan 31, 2024 · Entering autumn, September in Helsinki shifts the weather narrative towards a cooler milieu. The city's foliage dons autumn hues matching the moderating temperatures presetting a high of 14.6°C (58.3°F).
