Climate averages 1991–2020
Tanggu weather
in September.
A warm, moderately wet month: the 4th warmest and the 9th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Tanggu: daytime highs average 25.6°C and nights cool to about 17.9°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 54 mm of rain on roughly 6 days, which makes September a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 29 min on an average September day.
The nearest other city in this atlas is Xianshuigu (23 km away). In September its highs average 26.0°C, about as warm as Tanggu, with 49 mm of rain.
Among the 884 cities listed in China, Tanggu ranks joint 556th of 884 for the warmest September highs and joint 110th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Tanggu is 0.1°C cooler than that mean.
From September to October, average highs fall by 6.5°C to 19.1°C, and monthly rainfall falls from 54 mm to 36 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
Tanggu climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.6°C-5.9°C | -5.9°C | 4.3 | 1.1 | 9.810 h |
| February | 5.0°C-3.5°C | -3.5°C | 7.6 | 1.7 | 10.711 h |
| March | 11.4°C1.5°C | 1.5°C | 11 | 2.3 | 11.912 h |
| April | 19.0°C8.6°C | 8.6°C | 31 | 4.5 | 13.213 h |
| May | 24.9°C15.0°C | 15.0°C | 42 | 5.5 | 14.314 h |
| June | 28.5°C20.2°C | 20.2°C | 77 | 7.7 | 14.915 h |
| July | 30.0°C23.4°C | 23.4°C | 152 | 10.8 | 14.615 h |
| August | 28.9°C22.6°C | 22.6°C | 140 | 10.0 | 13.714 h |
| September, selected | 25.6°C17.9°C | 17.9°C | 54 | 6.4 | 12.512 h |
| October | 19.1°C11.0°C | 11.0°C | 36 | 4.9 | 11.211 h |
| November | 10.4°C2.6°C | 2.6°C | 17 | 2.9 | 10.110 h |
| December | 3.4°C-3.7°C | -3.7°C | 6.0 | 1.6 | 9.59 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
- Xianshuigu in SeptemberChina · 23 kmHigh 26.0°C · Low 17.7°C · 49 mm rain
- Hangu in SeptemberChina · 28 kmHigh 25.8°C · Low 17.3°C · 51 mm rain
- Tianjin in SeptemberChina · 43 kmHigh 26.3°C · Low 17.1°C · 55 mm rain
- Yangliuqing in SeptemberChina · 57 kmHigh 26.4°C · Low 17.1°C · 55 mm rain
- Tangshan in SeptemberChina · 83 kmHigh 26.0°C · Low 15.9°C · 58 mm rain
- Langfang in SeptemberChina · 98 kmHigh 26.5°C · Low 16.3°C · 62 mm rain
- Linxi in SeptemberChina · 103 kmHigh 25.7°C · Low 15.4°C · 57 mm rain
- Cangzhou in SeptemberChina · 105 kmHigh 26.7°C · Low 16.7°C · 46 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 Tanggu) is explained once on the Tanggu year overview and on the Sources, method and limits page.