Click on a day for an hourly weather forecast
The temperatures in Heilongjiang in September are comfortable with low of 11°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Heilongjiang during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Heilongjiang in September 2026.
If you’re planning to visit Heilongjiang in the near future, we highly recommend that you review the 14 day weather forecast for Heilongjiang before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -14° / -23° | 2 | 29 | 0 | 3 mm | Awful | Heilongjiang in January |
| February | -8° / -19° | 3 | 24 | 1 | 8 mm | Awful | Heilongjiang in February |
| March | 2° / -8° | 4 | 25 | 2 | 14 mm | Awful | Heilongjiang in March |
| April | 13° / 2° | 4 | 26 | 0 | 29 mm | Ok | Heilongjiang in April |
| May | 21° / 10° | 7 | 24 | 0 | 84 mm | Ok | Heilongjiang in May |
| June | 26° / 16° | 12 | 18 | 0 | 114 mm | Good | Heilongjiang in June |
| July | 28° / 19° | 12 | 19 | 0 | 171 mm | Good | Heilongjiang in July |
| August | 26° / 17° | 11 | 20 | 0 | 165 mm | Good | Heilongjiang in August |
| September | 21° / 11° | 6 | 24 | 0 | 78 mm | Good | Heilongjiang in September |
| October | 12° / 3° | 5 | 26 | 0 | 31 mm | Ok | Heilongjiang in October |
| November | -1° / -8° | 4 | 24 | 2 | 22 mm | Awful | Heilongjiang in November |
| December | -12° / -19° | 4 | 26 | 1 | 9 mm | Awful | Heilongjiang in December |