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.
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 Temperature
11°C (52°F)
Max Temperature
16°C (61°F)
Chance of Rain
54%
Precipitation
65 mm (2.6 in)
Rainy days
16 days
Sunshine
154 hours *
Percentage Sunshine
*
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
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unpleasant
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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.
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.
See the full Kustavi climate overview or explore weather in Finland.
