Fjällbacka Weather in September
September in Fjällbacka brings moderate temperatures, with highs of 17°C (63°F) and nights dropping to 11°C (52°F). Rainfall is on the higher side this month, averaging around 96 mm (3.8 in), so keep a rain jacket handy.
Rainfall in Fjällbacka in September
Rain is expected on roughly 14 days, totalling around 96 mm (3.8 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Fjällbacka in September
In September, expect moderate temperatures in Fjällbacka, with highs of 17°C (63°F) and lows of 11°C (52°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Fjällbacka in September
The area enjoys a moderate level of sunlight, with around 171 hours. It's a good balance between sunny and cloudy days.Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable 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 Sweden, check out our Fjällbacka's climate page.
Fjällbacka Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
17°C (63°F)
Chance of Rain
48%
Precipitation
96 mm (3.8 in)
Rainy days
14 days
Humidity
76% *
Sunshine
171 hours *
Percentage Sunshine
46% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Fjällbacka typically drop from around 18°C (64°F) at the start of September to approximately 14°C (57°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 12°C (54°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 for Fjällbacka in September
Browse day-by-day weather records for Fjällbacka spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Fjällbacka historical weather extremes in September
Based on weather observations in Fjällbacka between 1976 and 2025, these are the recorded extremes during September.
- The hottest September day on record in Fjällbacka reached 25°C (77°F) (September 5, 2024).
- On September 22, 2012, Fjällbacka saw its coldest September day with temperatures maxing out at 8°C (46°F).
- Fjällbacka registered its coldest September night on September 26, 2001, with temperatures dropping to -2°C (28°F).
Best Places in Sweden in September
Find out more about the weather in Sweden and which places have the best travel conditions in this month. See all of Sweden in September →
perfect weather
pleasant
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unpleasant
poor
What to Wear in Fjällbacka in September
For Fjällbacka 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Fjällbacka 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 Sweden, check out our Fjällbacka's climate page.
Temperature Rainfall Sunshine Humidity
See the full Fjällbacka climate overview or explore weather in Sweden.
