Climate averages 1991–2020
Komsomolsk-on-Amur weather
in September.
A mild, moderately wet month: the 4th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Komsomolsk-on-Amur: daytime highs average 17.2°C and nights cool to about 9.2°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 81 mm of rain on roughly 11 days, which makes September a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 41 min on an average September day.
The nearest other city in this atlas is Khabarovsk (270 km away). In September its highs average 18.4°C, 1.2°C warmer than Komsomolsk-on-Amur, with 83 mm of rain.
Among the 236 cities listed in Russia, Komsomolsk-on-Amur ranks 75th of 236 for the warmest September highs and joint 220th of 236 for the driest September (rainfall, lowest first). The mean September high of those 236 cities is 16.4°C; Komsomolsk-on-Amur is 0.8°C warmer than that mean.
From September to October, average highs fall by 9.9°C to 7.3°C, and monthly rainfall falls from 81 mm to 54 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
Komsomolsk-on-Amur climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -18.2°C-25.4°C | -25.4°C | 14 | 3.2 | 8.59 h |
| February | -12.9°C-21.9°C | -21.9°C | 11 | 2.6 | 10.010 h |
| March | -3.5°C-13.2°C | -13.2°C | 26 | 5.7 | 11.812 h |
| April | 6.4°C-3.4°C | -3.4°C | 40 | 8.1 | 13.814 h |
| May | 15.5°C4.8°C | 4.8°C | 80 | 11.5 | 15.515 h |
| June | 20.9°C12.1°C | 12.1°C | 70 | 10.7 | 16.416 h |
| July | 24.2°C16.4°C | 16.4°C | 100 | 12.0 | 16.016 h |
| August | 22.6°C15.3°C | 15.3°C | 109 | 13.5 | 14.515 h |
| September, selected | 17.2°C9.2°C | 9.2°C | 81 | 10.9 | 12.713 h |
| October | 7.3°C0.0°C | 0.0°C | 54 | 8.8 | 10.811 h |
| November | -6.2°C-13.4°C | -13.4°C | 29 | 6.4 | 9.09 h |
| December | -17.1°C-23.9°C | -23.9°C | 21 | 4.5 | 8.18 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
- Khabarovsk in SeptemberRussia · 270 kmHigh 18.4°C · Low 10.5°C · 83 mm rain
- Birobidzhan in SeptemberRussia · 353 kmHigh 18.2°C · Low 8.8°C · 99 mm rain
- Fujin in SeptemberChina · 517 kmHigh 19.5°C · Low 10.5°C · 71 mm rain
- Yuzhno-Sakhalinsk in SeptemberRussia · 579 kmHigh 18.3°C · Low 11.0°C · 104 mm rain
- Baoshan (Heilongjiang), China in SeptemberChina · 605 kmHigh 19.1°C · Low 10.1°C · 70 mm rain
- Hegang in SeptemberChina · 606 kmHigh 18.9°C · Low 8.2°C · 70 mm rain
- Shuangyashan in SeptemberChina · 610 kmHigh 19.5°C · Low 10.1°C · 65 mm rain
- Lingdong in SeptemberChina · 619 kmHigh 19.4°C · Low 10.6°C · 73 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 Komsomolsk-on-Amur) is explained once on the Komsomolsk-on-Amur year overview and on the Sources, method and limits page.