Linesøya i Fosna Weather in September
In Linesøya i Fosna, September brings moderate daytime temperatures around 14°C (57°F), with nights cooling to 10°C (50°F). Expect quite a bit of rainfall this month.
Rainfall in Linesøya i Fosna in September
Expect around 24 days of rain based on historical data, with 171 mm (6.7 in) average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Linesøya i Fosna in September
In September, expect moderate temperatures in Linesøya i Fosna, with highs of 14°C (57°F) and lows of 10°C (50°F) at night. The month of September belongs to the summer season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.Should you favor a climate that's both dry and comfortably warm, July typically offers 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 Norway, check out our Linesøya i Fosna's climate page.
Linesøya i Fosna Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
14°C (57°F)
Chance of Rain
80%
Precipitation
171 mm (6.7 in)
Rainy days
24 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Linesøya i Fosna typically drop from around 16°C (61°F) at the start of September to approximately 12°C (54°F) by the end. Nights are cold, with lows typically ranging from 6°C (43°F) to 10°C (50°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 Linesøya i Fosna in September
Browse day-by-day weather records for Linesøya i Fosna spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Linesøya i Fosna historical weather extremes in September
Our historical data for Linesøya i Fosna spans 1976 to 2025, revealing these weather extremes.
- The hottest September day on record in Linesøya i Fosna reached 26°C (79°F) (September 4, 2025).
- The coldest September day was on September 30, 2019, with a maximum of 6°C (43°F).
- Linesøya i Fosna registered its coldest September night on September 30, 1995, with temperatures dropping to -2°C (28°F).
Best Places in Norway in September
Find out more about the weather in Norway and which places have the best travel conditions in this month. See all of Norway in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Linesøya i Fosna in September
The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions.What To Do in Linesøya i Fosna 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 Norway, check out our Linesøya i Fosna's climate page.
See the full Linesøya i Fosna climate overview or explore weather in Norway.
