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Kustavi Weather in September

September in Kustavi typically sees daytime highs of 16°C (61°F) and nighttime lows of 11°C (52°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Kustavi in September

Past climate data indicates that roughly 16 days will see rain, totalling around 65 mm (2.6 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 Kustavi in September

In September, Kustavi gets moderate temperatures, with highs of 16°C (61°F). Nights cool to around 11°C (52°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Kustavi in September

The area enjoys a moderate level of sunlight, with around 154 hours. It's a good balance between sunny and cloudy days.

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.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Finland, check out our Kustavi's climate page.

Kustavi Temperature in September

Min TemperatureMin Temperature 11°C (52°F)  
Max TemperatureMax Temperature 16°C (61°F)  
Chance of RainChance of Rain 54%  
PrecipitationPrecipitation 65 mm (2.6 in)  
Rainy daysRainy days 16 days  
SunshineSunshine 154 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Turku, Finland (50 KM, 31 Miles).

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 →

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Legend 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 Kustavi in September

Pack for changing conditions in Kustavi in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Kustavi in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
6/10
Walking
6/10
Camping
8/10
Outdoor sports
10/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Finland, check out our Kustavi's climate page.

More climate data for Kustavi