Vlasic
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Vlasic Weather in September

Vlasic in September sees pleasant temperatures, with highs around 21°C (70°F) and overnight lows of 9°C (48°F). Rainfall is fairly high at around 117 mm (4.6 in) on average, so pack waterproofs just in case.

Rainfall in Vlasic in September

Looking at the last 30 years, the data shows about 11 days with rain, averaging 117 mm (4.6 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Vlasic in September

Vlasic in September gets highs of 21°C (70°F) during the day and drops to 9°C (48°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Vlasic in September

The month experiences a moderate amount of sunlight, with 189 hours of sunshine. This provides a nice balance between sunshine and clouds.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Vlasic.

Vlasic Temperature in September

Min Temperature
9°C (48°F)
Max Temperature
21°C (70°F)
Chance of Rain
37%
Precipitation
117 mm (4.6 in)
Rainy days
11 days
Humidity
77% *
Sunshine
189 hours *
Percentage Sunshine
56% *
* Data from: Banja Luka, Bosnia and Herzegovina (59 KM, 37 Miles).

Vlasic Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Vlasic - and find the best time to visit.

Daily Historical Temperatures

47-year average (1976-2025)

Based on our historical records, temperatures in Vlasic typically drop from around 25°C (77°F) at the start of September to approximately 21°C (70°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

Historical weather records for Vlasic in September

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

Vlasic historical weather extremes in September

Based on weather observations in Vlasic between 1998 and 2026, these are the recorded extremes during September.

  • Vlasic recorded its highest September temperature of 38°C (100°F) on September 6, 2008.
  • Vlasic experienced its chilliest September day on September 15, 2008, reaching only 11°C (52°F).
  • The coldest night in September in Vlasic was on September 27, 2018, with a minimum of 1°C (34°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 Vlasic in September

For Vlasic 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. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Vlasic in September

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

  • Swimming
    6/10
  • Cycling
    9/10
  • Walking
    9/10
  • Camping
    3/10
  • Outdoor sports
    9/10

Vlasic 3-Day Forecast

More climate data for Vlasic

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

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