Is Dandong hot in September?
Days are typically warm at 24.5°C, while nights average 14.4°C.
China · 1991–2020 normal
Dandong in
September.
Typical September weather in Dandong: 24.5°C by day, 14.4°C at night, 102 mm of rain over 5.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high24.5°C
Typical low14.4°C
Rain102 mm
Wet days5.5
In the year-round weather comparison, September scores 85 out of 100, the highest of the year. Daylight is calculated as 12 h 24 from latitude 40.13°. Open-water sea temperature is 22.6°C (28 km from the place centre).
September at a glance
What is Dandong like in September?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 102 mm across about 6 wet days.
How much daylight is there?
There are about 12 h 24 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September is the strongest month in our year-round weather comparison.
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 22.6°C in September. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 2037886
- NOAA station
- CHM00054497 · DANDONG
- Station distance
- 10.3 km from the place centre
- Coverage
- Good coverage · 23 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Dandong is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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