Banská Bystrica Weather in September
September in Banská Bystrica brings pleasant temperatures around 19°C (66°F) during the day, dropping to 7°C (45°F) at night, with quite a bit of rainfall expected, averaging around 85 mm (3.3 in) for the month.
Rainfall in Banská Bystrica in September
You can expect rain on around 11 days based on historical patterns, with 85 mm (3.3 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Banská Bystrica in September
September in Banská Bystrica sees highs of 19°C (66°F) and lows of 7°C (45°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 7°C (45°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Banská Bystrica in September
The month brings about 158 hours of sunlight, offering a comfortable mix of sun and overcast.
Wind Speed in Banská Bystrica in September
September has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovakia, check out our Banská Bystrica's climate page.
Banská Bystrica Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Banská Bystrica typically drop from around 22°C (72°F) at the start of September to approximately 17°C (63°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°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 Banská Bystrica in September
Browse day-by-day weather records for Banská Bystrica spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Banská Bystrica historical weather extremes in September
According to our 49 years of weather records for Banská Bystrica, the following extremes were recorded between 1976 and 2025.
- On September 7, 2008, temperatures climbed to 33°C (91°F), marking the warmest September day on record.
- The coldest September day was on September 23, 2017, with a maximum of 8°C (46°F).
- The lowest overnight temperature recorded in September was -3°C (27°F) (September 29, 1977).
Best Places in Slovakia in September
Find out more about the weather in Slovakia and which places have the best travel conditions in this month. See all of Slovakia in September →
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What to Wear in Banská Bystrica 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. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Banská Bystrica 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 Slovakia, check out our Banská Bystrica's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Banská Bystrica climate overview or explore weather in Slovakia.