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This is something you might want to add to your bucket list. August is also the perfect time to visit Finland. The days are long and the temperature is amazing.
Eckerö Weather in September
During September, Eckerö experiences moderate daytime temperatures of 16°C (61°F) and cooler nights around 11°C (52°F). Some rainfall is typical during this period.
Rainfall in Eckerö in September
Typically, about 15 days will experience rainfall, with an average of 55 mm (2.2 in) for the month. 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 Eckerö in September
If you're visiting Eckerö in September, expect highs of 16°C (61°F) and overnight lows around 11°C (52°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.For Eckerö itself, July and August generally stand out with 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.
Eckerö Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
16°C (61°F)
Chance of Rain
51%
Precipitation
55 mm (2.2 in)
Rainy days
15 days
Eckerö Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Eckerö - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Eckerö typically drop from around 16°C (61°F) at the start of September to approximately 12°C (54°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°F) to 11°C (52°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 records for Eckerö in September
Browse day-by-day weather records for Eckerö spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Eckerö historical weather extremes in September
Based on 50 years of weather observations in Eckerö between 1976 and 2026, these are the recorded extremes.
- Eckerö recorded its highest September temperature of 25°C (77°F) on September 5, 2024.
- Eckerö experienced its chilliest September day on September 26, 1986, reaching only 6°C (43°F).
- Nighttime temperatures dropped to -3°C (27°F) on September 30, 1976, marking the coldest September night on record.
Best Places in Finland in September
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Eckerö in September
For Eckerö in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.
What To Do in Eckerö in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping8/10 -
Outdoor sports10/10
Eckerö 3-Day Forecast
More climate data for Eckerö
See the full Eckerö climate overview or explore weather in Finland.
Popular in September
Where to go in September - average daytime high across popular destinations.
Helsinki
16°C (61°F) Turku17°C (63°F) Tampere
15°C (59°F) Vuokatti
13°C (55°F) Rovaniemi13°C (55°F) Äkäslompolo12°C (54°F) Ruka12°C (54°F) Levi12°C (54°F) Bucket list
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Air Guitar World Championship Finland
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