Climate averages 1991–2020
Yuzhno-Sakhalinsk weather
in September.
A mild, wet month: the 3rd warmest and one of the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Yuzhno-Sakhalinsk: daytime highs average 18.3°C and nights cool to about 11.0°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 104 mm of rain on roughly 12 days, which makes September a wet month (one of the wettest months of the year). Daylight, from sunrise to sunset, lasts about 12 h 37 min on an average September day.
The nearest other city in this atlas is Asahikawa (355 km away). In September its highs average 19.8°C, 1.5°C warmer than Yuzhno-Sakhalinsk, with 142 mm of rain.
Among the 236 cities listed in Russia, Yuzhno-Sakhalinsk ranks joint 58th of 236 for the warmest September highs and 233rd of 236 for the driest September (rainfall, lowest first). The mean September high of those 236 cities is 16.4°C; Yuzhno-Sakhalinsk is 1.9°C warmer than that mean.
From September to October, average highs fall by 7.0°C to 11.3°C, and monthly rainfall falls from 104 mm to 92 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
Yuzhno-Sakhalinsk climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -8.0°C-14.9°C | -14.9°C | 52 | 7.3 | 9.09 h |
| February | -6.7°C-14.5°C | -14.5°C | 39 | 6.4 | 10.310 h |
| March | -1.1°C-8.9°C | -8.9°C | 63 | 8.8 | 11.912 h |
| April | 5.7°C-2.3°C | -2.3°C | 69 | 10.6 | 13.614 h |
| May | 12.3°C3.6°C | 3.6°C | 68 | 10.8 | 15.015 h |
| June | 16.9°C8.9°C | 8.9°C | 61 | 9.3 | 15.816 h |
| July | 20.4°C13.3°C | 13.3°C | 81 | 9.4 | 15.515 h |
| August | 21.6°C14.9°C | 14.9°C | 104 | 11.4 | 14.214 h |
| September, selected | 18.3°C11.0°C | 11.0°C | 104 | 11.8 | 12.613 h |
| October | 11.3°C4.0°C | 4.0°C | 92 | 11.4 | 10.911 h |
| November | 2.6°C-3.8°C | -3.8°C | 71 | 9.3 | 9.49 h |
| December | -4.9°C-12.2°C | -12.2°C | 63 | 8.6 | 8.69 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
- Asahikawa in SeptemberJapan · 355 kmHigh 19.8°C · Low 11.6°C · 142 mm rain
- Kitami in SeptemberJapan · 362 kmHigh 20.0°C · Low 12.3°C · 122 mm rain
- Iwamizawa in SeptemberJapan · 424 kmHigh 20.8°C · Low 13.1°C · 126 mm rain
- Ebetsu in SeptemberJapan · 438 kmHigh 20.5°C · Low 13.5°C · 138 mm rain
- Otaru in SeptemberJapan · 440 kmHigh 20.8°C · Low 15.3°C · 149 mm rain
- Sapporo in SeptemberJapan · 446 kmHigh 20.9°C · Low 14.7°C · 155 mm rain
- Obihiro in SeptemberJapan · 450 kmHigh 20.4°C · Low 12.3°C · 165 mm rain
- Eniwa in SeptemberJapan · 461 kmHigh 20.4°C · Low 13.6°C · 138 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 Yuzhno-Sakhalinsk) is explained once on the Yuzhno-Sakhalinsk year overview and on the Sources, method and limits page.