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.
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 Vlasic's climate page.
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% *
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 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 2025, 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
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 monthWhat To Do in Vlasic 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 Vlasic's climate page.
Temperature Rainfall Sunshine Humidity
See the full Vlasic climate overview or explore weather in Bosnia and Herzegovina.
