Climate averages 1991–2020
Biysk weather
in September.
A mild, moderately wet month: the 5th warmest and the joint 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Biysk: daytime highs average 17.3°C and nights cool to about 7.9°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 49 mm of rain on roughly 10 days, which makes September a moderately wet month (the joint 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 44 min on an average September day.
The nearest other city in this atlas is Barnaul (135 km away). In September its highs average 16.0°C, 1.3°C cooler than Biysk, with 44 mm of rain.
Among the 236 cities listed in Russia, Biysk ranks joint 72nd of 236 for the warmest September highs and joint 60th of 236 for the driest September (rainfall, lowest first). The mean September high of those 236 cities is 16.4°C; Biysk is 0.9°C warmer than that mean.
From September to October, average highs fall by 8.4°C to 8.9°C, and monthly rainfall stays at 49 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
Biysk climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -12.3°C-19.1°C | -19.1°C | 21 | 6.3 | 8.28 h |
| February | -8.7°C-16.6°C | -16.6°C | 19 | 5.7 | 9.810 h |
| March | -0.6°C-9.4°C | -9.4°C | 25 | 6.7 | 11.812 h |
| April | 10.6°C-0.5°C | -0.5°C | 44 | 9.0 | 13.914 h |
| May | 18.6°C7.0°C | 7.0°C | 61 | 10.8 | 15.716 h |
| June | 23.8°C13.7°C | 13.7°C | 63 | 11.1 | 16.717 h |
| July | 25.7°C16.3°C | 16.3°C | 74 | 12.7 | 16.316 h |
| August | 23.8°C14.2°C | 14.2°C | 62 | 10.3 | 14.715 h |
| September, selected | 17.3°C7.9°C | 7.9°C | 49 | 9.9 | 12.713 h |
| October | 8.9°C0.9°C | 0.9°C | 49 | 10.3 | 10.711 h |
| November | -2.2°C-9.0°C | -9.0°C | 49 | 11.0 | 8.89 h |
| December | -9.4°C-16.2°C | -16.2°C | 34 | 9.3 | 7.88 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
- Barnaul in SeptemberRussia · 135 kmHigh 16.0°C · Low 6.8°C · 44 mm rain
- Prokop’yevsk in SeptemberRussia · 184 kmHigh 15.1°C · Low 6.3°C · 53 mm rain
- Novokuznetsk in SeptemberRussia · 188 kmHigh 15.7°C · Low 6.6°C · 59 mm rain
- Kiselëvsk in SeptemberRussia · 189 kmHigh 14.9°C · Low 6.1°C · 53 mm rain
- Kisilevsk in SeptemberRussia · 189 kmHigh 14.8°C · Low 6.1°C · 53 mm rain
- Belovo in SeptemberRussia · 222 kmHigh 15.2°C · Low 6.6°C · 47 mm rain
- Mezhdurechensk in SeptemberRussia · 230 kmHigh 15.5°C · Low 5.9°C · 100 mm rain
- Leninsk-Kuznetsky in SeptemberRussia · 245 kmHigh 14.8°C · Low 6.3°C · 53 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 Biysk) is explained once on the Biysk year overview and on the Sources, method and limits page.