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Blagaj Weather in September
September in Blagaj brings high temperatures around 24°C (75°F) during the day, dropping to 12°C (54°F) at night, with quite a bit of rainfall expected, averaging around 134 mm (5.3 in) for the month.
Rainfall in Blagaj in September
Climate statistics over the past 30 years suggest around 9 days of rain, with 134 mm (5.3 in) average for the month. 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 Blagaj in September
Expect highs of 24°C (75°F) in Blagaj in September, with nights dropping to around 12°C (54°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Blagaj in September
Expect a lot of sunshine this month, with about 226 hours of sun. These sunny conditions add to the overall experience.Should you favor a climate that's both dry and comfortably warm, June and July 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.
Blagaj Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
24°C (75°F)
Chance of Rain
31%
Precipitation
134 mm (5.3 in)
Rainy days
9 days
Humidity
61% *
Sunshine
226 hours *
Percentage Sunshine
*
* Data from: Mostar, Bosnia and Herzegovina (11 KM, 7 Miles).
Blagaj Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Blagaj - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Blagaj typically drop from around 28°C (82°F) at the start of September to approximately 24°C (75°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 14°C (57°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Blagaj in September
Browse day-by-day weather records for Blagaj spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Blagaj historical weather extremes in September
According to our 31 years of weather records for Blagaj, the following extremes were recorded between 1995 and 2026.
- The warmest day in September was on September 3, 2026, with a maximum of 38°C (100°F).
- The coldest night in September in Blagaj was on September 6, 2000, with a minimum of -2°C (28°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
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Blagaj 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Blagaj in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming9/10 -
Cycling9/10 -
Walking9/10 -
Camping6/10 -
Outdoor sports9/10
Blagaj 3-Day Forecast
More climate data for Blagaj
Temperature Rainfall Sunshine Humidity
See the full Blagaj climate overview or explore weather in Bosnia and Herzegovina.
Popular in September
Where to go in September - average daytime high across popular destinations.
Neum
26°C (79°F) Međugorje26°C (79°F) Banja Luka
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