Heilongjiang Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Heilongjiang, China in September.

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Harbin Daqing Mudanjiang Jiamusi

Planning a trip to Heilongjiang, China this September? Here's what you need to know about the weather:

What to Expect in Heilongjiang in September

Heilongjiang, China is a region in China. September in Heilongjiang generally has temperatures that range from mild to warm, with moderate precipitation.

Temperatures

During the day temperatures vary from mild in Mohe at 17°C (63°F) to warm in Harbin at 23°C (73°F). At night it cools down to 10°C (50°F) in Harbin and 3°C (37°F) in Mohe.

For specific regional insights in Heilongjiang, China, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Daqing with an average of 61 mm (2.4 in) to moderate rainfall in Wudalianchi with 82 mm (3.2 in).

Average sunshine

September brings good sunshine to many areas. Harbin sees around 231 hours of sunlight, great for visitors looking for bright days.

Explore Heilongjiang by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Heilongjiang in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Heilongjiang.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Heilongjiang

What is the weather like in September for some of the most popular destinations in Heilongjiang, China?

Temperature range in Heilongjiang (September)

Precipitation variation in Heilongjiang (September)

Harbin

In September Harbin generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
23°C (73°F)
14°C (57°F)
Min temperature
17°C (63°F)
10°C (50°F)
1°C (34°F)
Monthly sun hours
246 hours
231 hours
207 hours
Monthly rainfall
138 mm (5.4 in)
71 mm (2.8 in)
39 mm (1.5 in)
Monthly rainy days
14 days
11 days
7 days
Weather conditions
pleasant
perfect
tolerable
Climate in Harbin →

Daqing

In September Daqing generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
22°C (72°F)
13°C (55°F)
Min temperature
18°C (64°F)
11°C (52°F)
2°C (36°F)
Monthly rainfall
106 mm (4.2 in)
61 mm (2.4 in)
28 mm (1.1 in)
Monthly rainy days
12 days
10 days
6 days
Weather conditions
pleasant
perfect
tolerable
Climate in Daqing →

Mudanjiang

In September Mudanjiang generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
26°C (79°F)
22°C (72°F)
13°C (55°F)
Min temperature
16°C (61°F)
9°C (48°F)
0°C (32°F)
Monthly rainfall
128 mm (5 in)
67 mm (2.6 in)
46 mm (1.8 in)
Monthly rainy days
15 days
13 days
9 days
Weather conditions
pleasant
perfect
unpleasant
Climate in Mudanjiang →

Jiamusi

In September Jiamusi generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
27°C (81°F)
22°C (72°F)
13°C (55°F)
Min temperature
16°C (61°F)
9°C (48°F)
0°C (32°F)
Monthly rainfall
125 mm (4.9 in)
65 mm (2.6 in)
42 mm (1.7 in)
Monthly rainy days
15 days
12 days
9 days
Weather conditions
pleasant
perfect
unpleasant
Climate in Jiamusi →

Mohe

In September Mohe generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
24°C (75°F)
17°C (63°F)
6°C (43°F)
Min temperature
11°C (52°F)
3°C (37°F)
-7°C (19°F)
Monthly rainfall
109 mm (4.3 in)
68 mm (2.7 in)
32 mm (1.3 in)
Monthly rainy days
16 days
11 days
7 days
Weather conditions
pleasant
tolerable
poor
Climate in Mohe →

Is your destination not in the list? Have a look at all destinations in Heilongjiang, in China.

In our records: China September extremes

Notable September records observed across cities in China in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest September day in China brought 362 mm (14 in) in Guangzhou on September 6, 1992.

Popular cities in September

Day & night temperatures, rainfall and average weather in Heilongjiang in September.

City Weather Day temp Night temp Rainfall
Harbin 23°C (73°F) 10°C (50°F) 71 mm (2.8 in)
Daqing 22°C (72°F) 11°C (52°F) 61 mm (2.4 in)
Mudanjiang 22°C (72°F) 9°C (48°F) 67 mm (2.6 in)
Jiamusi 22°C (72°F) 9°C (48°F) 65 mm (2.6 in)
Mohe 17°C (63°F) 3°C (37°F) 68 mm (2.7 in)
Wudalianchi 20°C (68°F) 7°C (45°F) 82 mm (3.2 in)

Heilongjiang weather in September: frequently asked questions

What is the weather like in Heilongjiang, China in September?

Heilongjiang, China typically experiences perfect weather in September, part of the season. Daytime highs in Harbin average around 23°C (73°F), and temperatures drop to about 10°C (50°F) at night.

What is the average temperature in Heilongjiang, China in September?

Harbin averages a daytime maximum of 23°C (73°F) in September, with overnight lows close to 10°C (50°F).

Does Heilongjiang, China get a lot of rain in September?

Not particularly. Harbin averages just 71 mm (2.8 in) of rain in September, making it a mostly dry month for Heilongjiang, China.

Is September a Good Time to Visit Heilongjiang, China?

We believe that September is one of the best times to visit Heilongjiang, China with overall perfect weather in Harbin. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Heilongjiang, China is in May and September with generally perfect weather in Harbin. In contrast, January, February, March, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Heilongjiang.

Weather and climate has detailed information for every country in the world. Are you going to China? Get detailed historical weather averages for many cities in China.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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