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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.
Banská Bystrica Temperature in September
Min Temperature
7°C (45°F)
Max Temperature
19°C (66°F)
Chance of Rain
36%
Precipitation
85 mm (3.3 in)
Rainy days
11 days
Humidity
77% *
Windspeed
1 m/s (2 knots) *
Sunshine
158 hours *
Percentage Sunshine
*
* Data from: Sliac, Slovakia (11 KM, 7 Miles).
Banská Bystrica Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Banská Bystrica - and find the best time to visit.
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 records 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 50 years of weather records for Banská Bystrica, the following extremes were recorded between 1976 and 2026.
- 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 →
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 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 month
What To Do in Banská Bystrica in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
Banská Bystrica 3-Day Forecast
More climate data for Banská Bystrica
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Banská Bystrica climate overview or explore weather in Slovakia.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bratislava
22°C (72°F) Košice21°C (70°F) Bešeňová
17°C (63°F) Demanovska Dolina17°C (63°F) Vysoké Tatry
17°C (63°F) Tatranská Lomnica17°C (63°F) Donovaly18°C (64°F) Liptovský Mikuláš17°C (63°F) Bucket list
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