Climate averages 1991–2020
Tonghua weather
in September.
A mild, moderately wet month: the 4th 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 Tonghua: daytime highs average 21.1°C and nights cool to about 10.7°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 77 mm of rain on roughly 9 days, which makes September a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 31 min on an average September day.
The nearest other city in this atlas is Baishan (48 km away). In September its highs average 20.7°C, about as warm as Tonghua, with 86 mm of rain.
Among the 884 cities listed in China, Tonghua ranks joint 784th of 884 for the warmest September highs and joint 338th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Tonghua is 4.6°C cooler than that mean.
From September to October, average highs fall by 8.0°C to 13.1°C, and monthly rainfall falls from 77 mm to 55 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
Tonghua climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -7.5°C-20.5°C | -20.5°C | 12 | 3.1 | 9.510 h |
| February | -3.1°C-16.5°C | -16.5°C | 20 | 4.4 | 10.611 h |
| March | 4.4°C-7.2°C | -7.2°C | 35 | 6.8 | 11.912 h |
| April | 13.2°C1.0°C | 1.0°C | 61 | 9.2 | 13.313 h |
| May | 19.5°C7.6°C | 7.6°C | 90 | 12.3 | 14.515 h |
| June | 24.0°C14.0°C | 14.0°C | 119 | 14.2 | 15.115 h |
| July | 26.3°C18.2°C | 18.2°C | 201 | 17.3 | 14.915 h |
| August | 25.7°C17.4°C | 17.4°C | 201 | 14.7 | 13.914 h |
| September, selected | 21.1°C10.7°C | 10.7°C | 77 | 8.5 | 12.513 h |
| October | 13.1°C2.4°C | 2.4°C | 55 | 8.3 | 11.111 h |
| November | 3.0°C-6.0°C | -6.0°C | 45 | 8.1 | 9.910 h |
| December | -5.6°C-17.0°C | -17.0°C | 19 | 4.8 | 9.29 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
- Baishan in SeptemberChina · 48 kmHigh 20.7°C · Low 10.5°C · 86 mm rain
- Huanren in SeptemberChina · 69 kmHigh 21.9°C · Low 12.1°C · 88 mm rain
- Manp’o in SeptemberNorth Korea · 70 kmHigh 22.9°C · Low 12.8°C · 95 mm rain
- Meihekou in SeptemberChina · 92 kmHigh 21.0°C · Low 10.6°C · 69 mm rain
- Kanggye in SeptemberNorth Korea · 100 kmHigh 21.9°C · Low 11.5°C · 95 mm rain
- Chaoyang, China in SeptemberChina · 105 kmHigh 20.9°C · Low 10.6°C · 71 mm rain
- Panshi in SeptemberChina · 136 kmHigh 20.8°C · Low 10.4°C · 74 mm rain
- Longshan in SeptemberChina · 145 kmHigh 21.3°C · Low 11.3°C · 63 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 Tonghua) is explained once on the Tonghua year overview and on the Sources, method and limits page.