Fiss Weather in September
September in Fiss sees daytime temperatures around 12°C (54°F) and lows of 2°C (36°F) at night. With around 123 mm (4.8 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Fiss in September
Historically, the month has about 15 days of rain, averaging 123 mm (4.8 in) in total. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Fiss in September
September in Fiss brings typical temperatures with highs around 12°C (54°F) and lows of 2°C (36°F). Conditions are often most pleasant around the middle of the day. Nights drop to 2°C (36°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Fiss in September
The city usually sees around 166 hours of sunlight, indicating a moderately sunny period.September in Fiss can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Austria, check out our Fiss's climate page.
Fiss Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Fiss typically stay consistent throughout September, with daily highs averaging around 12°C (54°F). Nights are cold, with lows typically ranging from 5°C (41°F) to 8°C (46°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 Fiss in September
Browse day-by-day weather records for Fiss spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Fiss historical weather extremes in September
According to our 49 years of weather records for Fiss, the following extremes were recorded between 1976 and 2025.
- The hottest September day on record in Fiss reached 31°C (88°F) (September 5, 1982).
- The coldest September day was on September 26, 2020, with a maximum of 3°C (37°F).
- Fiss registered its coldest September night on September 1, 2006, with temperatures dropping to -5°C (23°F).
- Peak precipitation in September occurred on September 10, 1979, when 51 mm (2 in) of precipitation was measured.
Best Places in Austria in September
Find out more about the weather in Austria and which places have the best travel conditions in this month. See all of Austria in September →
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What to Wear in Fiss in September
Pack for changing conditions in Fiss 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. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Fiss 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 Austria, check out our Fiss's climate page.
Temperature Rainfall Sunshine Humidity
See the full Fiss climate overview or explore weather in Austria.