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Jezero Weather in September

Thinking of visiting Jezero in September? Expect pleasant temperatures reaching 21°C (70°F) during the day, dropping to 10°C (50°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Jezero in September

Past climate data indicates that roughly 10 days will see rain, totalling around 112 mm (4.4 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Jezero in September

September in Jezero sees highs of 21°C (70°F) and lows of 10°C (50°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 10°C (50°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 Jezero 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, July and August 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.

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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 Jezero's climate page.

Jezero Temperature in September

Min TemperatureMin Temperature 10°C (50°F)  
Max TemperatureMax Temperature 21°C (70°F)  
Chance of RainChance of Rain 35%  
PrecipitationPrecipitation 112 mm (4.4 in)  
Rainy daysRainy days 10 days  
HumidityHumidity 61% *  
SunshineSunshine 226 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Mostar, Bosnia and Herzegovina (29 KM, 18 Miles).

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in Jezero typically drop from around 24°C (75°F) at the start of September to approximately 20°C (68°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 12°C (54°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 for Jezero in September

Browse day-by-day weather records for Jezero spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Jezero historical weather extremes in September

Based on 30 years of weather observations in Jezero between 1995 and 2025, these are the recorded extremes.

  • The warmest day in September was on September 7, 2008, with a maximum of 36°C (97°F).
  • The coldest September day was on September 29, 1995, with a maximum of 8°C (46°F).
  • The lowest overnight temperature recorded in September was 0°C (32°F) (September 27, 2018).

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 →

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Legend 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 Jezero in September

For Jezero in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Jezero in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
9/10
Walking
9/10
Camping
6/10
Outdoor sports
9/10

Select a Month

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 Jezero's climate page.

More climate data for Jezero