Climate averages 1991–2020
Banská Bystrica weather
in September.
A mild, moderately wet month: the 5th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Banská Bystrica: daytime highs average 18.6°C and nights cool to about 10.1°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 78 mm of rain on roughly 11 days, which makes September a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 39 min on an average September day.
The nearest other city in this atlas is Žilina (62 km away). In September its highs average 18.0°C, 0.6°C cooler than Banská Bystrica, with 83 mm of rain.
Among the 6 cities listed in Slovakia, Banská Bystrica ranks 5th of 6 for the warmest September highs and 5th of 6 for the driest September (rainfall, lowest first). The mean September high of those 6 cities is 19.5°C; Banská Bystrica is 0.8°C cooler than that mean.
From September to October, average highs fall by 5.7°C to 12.9°C, and monthly rainfall falls from 78 mm to 67 mm.
The annual picture
September in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Banská Bystrica climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.2°C-5.0°C | -5.0°C | 49 | 10.1 | 8.89 h |
| February | 3.2°C-4.3°C | -4.3°C | 52 | 10.2 | 10.110 h |
| March | 7.8°C-0.5°C | -0.5°C | 58 | 11.1 | 11.912 h |
| April | 14.3°C3.9°C | 3.9°C | 69 | 11.8 | 13.714 h |
| May | 18.7°C8.9°C | 8.9°C | 106 | 15.3 | 15.215 h |
| June | 22.1°C12.5°C | 12.5°C | 118 | 14.8 | 16.116 h |
| July | 23.9°C14.5°C | 14.5°C | 116 | 14.7 | 15.716 h |
| August | 23.8°C14.4°C | 14.4°C | 98 | 12.2 | 14.414 h |
| September, selected | 18.6°C10.1°C | 10.1°C | 78 | 11.0 | 12.613 h |
| October | 12.9°C5.7°C | 5.7°C | 67 | 10.3 | 10.911 h |
| November | 7.0°C1.8°C | 1.8°C | 60 | 10.8 | 9.29 h |
| December | 2.0°C-2.9°C | -2.9°C | 55 | 10.5 | 8.48 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Žilina in SeptemberSlovakia · 62 kmHigh 18.0°C · Low 9.9°C · 83 mm rain
- Nitra in SeptemberSlovakia · 92 kmHigh 21.0°C · Low 12.0°C · 60 mm rain
- Bielsko-Biala in SeptemberPoland · 121 kmHigh 18.1°C · Low 10.1°C · 100 mm rain
- Zlín in SeptemberCzechia · 121 kmHigh 19.0°C · Low 10.8°C · 76 mm rain
- Havířov in SeptemberCzechia · 127 kmHigh 18.3°C · Low 10.1°C · 88 mm rain
- Ostrava in SeptemberCzechia · 137 kmHigh 18.7°C · Low 10.4°C · 82 mm rain
- Budapest in SeptemberHungary · 138 kmHigh 21.5°C · Low 12.7°C · 58 mm rain
- Miskolc in SeptemberHungary · 139 kmHigh 21.4°C · Low 11.9°C · 56 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Banská Bystrica) is explained once on the Banská Bystrica year overview and on the Sources, method and limits page.