Bastasi Weather in September
September in Bastasi brings pleasant temperatures, with highs of 20°C (68°F) and nights dropping to 9°C (48°F). Rainfall is on the higher side this month, averaging around 86 mm (3.4 in), so keep a rain jacket handy.
Rainfall in Bastasi in September
On average, there are about 10 days with rain during this month, averaging 86 mm (3.4 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Bastasi in September
If you're visiting Bastasi in September, expect perfect temperatures with highs of 20°C (68°F) and overnight lows of 9°C (48°F). Conditions are often most pleasant around the middle of the day. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Bastasi in September
Expect a lot of sunshine this month, with about 194 hours of sun. These sunny conditions add to the overall experience.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Bastasi.
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 Bastasi's climate page.
Bastasi Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
34%
Precipitation
86 mm (3.4 in)
Rainy days
10 days
Humidity
77% *
Sunshine
194 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bastasi typically drop from around 23°C (73°F) at the start of September to approximately 19°C (66°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 11°C (52°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 Bastasi in September
Browse day-by-day weather records for Bastasi spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bastasi historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Bastasi.
- Bastasi recorded its highest September temperature of 36°C (97°F) on September 7, 2008.
- The lowest daytime temperature in September was 6°C (43°F), recorded on September 21, 1978.
- Nighttime temperatures dropped to -2°C (28°F) on September 29, 1977, marking the coldest September night on record.
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
pleasant
tolerable
unpleasant
poor
What to Wear in Bastasi in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Bastasi 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 Bastasi's climate page.
Temperature Rainfall Sunshine Humidity
See the full Bastasi climate overview or explore weather in Bosnia and Herzegovina.
