Bihać Weather in September
September in Bihać averages 22°C (72°F) during the day and 11°C (52°F) at night. Quite a bit of rainfall is typical this month, with around 129 mm (5.1 in) on average. An umbrella is a good idea.
Rainfall in Bihać in September
Historically, approximately 12 days this month are expected to have rain, averaging 129 mm (5.1 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Bihać in September
Temperatures in Bihać in September top out at 22°C (72°F) and drop to 11°C (52°F) overnight. Conditions are often most pleasant around the middle 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.If you prefer dry days with pleasant temperatures, 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 Bosnia and Herzegovina, check out our Bihać's climate page.
Bihać Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
22°C (72°F)
Chance of Rain
41%
Precipitation
129 mm (5.1 in)
Rainy days
12 days
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Bihać typically drop from around 23°C (73°F) at the start of September to approximately 20°C (68°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
48-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 Bihać in September
Browse day-by-day weather records for Bihać spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bihać historical weather extremes in September
According to our 26 years of weather records for Bihać, the following extremes were recorded between 1999 and 2025.
- The warmest day in September was on September 4, 2011, with a maximum of 36°C (97°F).
- The coldest September day was on September 10, 2001, with a maximum of 9°C (48°F).
- The coldest night in September in Bihać was on September 27, 2018, with a minimum of 0°C (32°F).
Best Places in Bosnia and Herzegovina in September
Find out more about the weather in Bosnia and Herzegovina and which places have the best travel conditions in this month. See all of Bosnia and Herzegovina in September →
perfect weather
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What to Wear in Bihać in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Bihać 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 Bosnia and Herzegovina, check out our Bihać's climate page.
See the full Bihać climate overview or explore weather in Bosnia and Herzegovina.
