Climate averages 1991–2020
Harbin weather
in September.
A mild, moderately wet month: the joint 4th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Harbin: daytime highs average 20.5°C and nights cool to about 10.6°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 67 mm of rain on roughly 9 days, which makes September a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 35 min on an average September day.
The nearest other city in this atlas is Hulan (17 km away). In September its highs average 20.6°C, about as warm as Harbin, with 64 mm of rain.
Among the 884 cities listed in China, Harbin ranks joint 805th of 884 for the warmest September highs and joint 247th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Harbin is 5.2°C cooler than that mean.
From September to October, average highs fall by 8.7°C to 11.8°C, and monthly rainfall falls from 67 mm to 38 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
Harbin climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -12.9°C-23.7°C | -23.7°C | 4.1 | 1.3 | 9.19 h |
| February | -6.7°C-19.1°C | -19.1°C | 5.8 | 1.7 | 10.310 h |
| March | 3.1°C-8.9°C | -8.9°C | 15 | 3.6 | 11.912 h |
| April | 13.3°C0.4°C | 0.4°C | 30 | 5.6 | 13.513 h |
| May | 20.5°C8.2°C | 8.2°C | 65 | 9.3 | 14.915 h |
| June | 25.7°C15.1°C | 15.1°C | 99 | 12.2 | 15.616 h |
| July | 27.3°C18.7°C | 18.7°C | 155 | 14.9 | 15.315 h |
| August | 25.6°C17.2°C | 17.2°C | 138 | 13.5 | 14.114 h |
| September, selected | 20.5°C10.6°C | 10.6°C | 67 | 8.5 | 12.613 h |
| October | 11.8°C2.0°C | 2.0°C | 38 | 6.5 | 11.011 h |
| November | -0.2°C-8.5°C | -8.5°C | 18 | 3.6 | 9.510 h |
| December | -10.5°C-20.0°C | -20.0°C | 8.5 | 2.4 | 8.89 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
- Hulan in SeptemberChina · 17 kmHigh 20.6°C · Low 10.7°C · 64 mm rain
- Acheng in SeptemberChina · 33 kmHigh 20.4°C · Low 10.3°C · 72 mm rain
- Shuangcheng in SeptemberChina · 49 kmHigh 20.8°C · Low 10.8°C · 64 mm rain
- Lanxi (Heilongjiang), China in SeptemberChina · 63 kmHigh 20.3°C · Low 10.2°C · 63 mm rain
- Zhaodong in SeptemberChina · 63 kmHigh 20.6°C · Low 10.6°C · 61 mm rain
- Wuchang in SeptemberChina · 100 kmHigh 20.4°C · Low 10.4°C · 74 mm rain
- Suihua in SeptemberChina · 103 kmHigh 19.5°C · Low 9.9°C · 72 mm rain
- Yushu (Jilin), China in SeptemberChina · 103 kmHigh 20.7°C · Low 10.9°C · 65 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 Harbin) is explained once on the Harbin year overview and on the Sources, method and limits page.