China
Harbin in September: weather & travel advice
This month's data profile
Strong month under the current formula
Harbin in September is climatically well suited to city breaks, active holidays and hiking and family holidays. The average daily high is around 22 °C. With about 8 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
86/100 · #1
Warmth
#4
Dryness
#8
Sun
#7
Published best categories: Overall, City break, Active, Family
Harbin · SeptemberPhoto: Tracy Hunter · CC BY 2.0Climate facts
- Average high
- 22 °C
- Average low
- 9 °C
- Rainy days (est.)
- 8 rainy days (est.)
- Sun (est.)
- 5 h/day
- Humidity
- 68 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| August | 27 | 16 | 14 | 117 | 6.0 | 74 | 2.3 | 67 |
| September (selected) | 22 | 9 | 8 | 50 | 5.3 | 68 | 2.6 | 86 |
| October | 12 | -0 | 5 | 23 | 3.7 | 68 | 3.0 | 61 |
How do the previous and next months compare?
Baseline: September (86/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| August | -19 | +5.4 °C | +7.3 °C | +6.2 | +67.1 mm | +0.7 h | +5.3 % | -0.3 m/s |
| October | -25 | -10 °C | -9.2 °C | -3.1 | -26.5 mm | -1.6 h | -0.1 % | +0.3 m/s |
All twelve months in context

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Useful next decisions
Frequently asked questions
How warm is Harbin in September?
The average daily high is around 22 °C, with an average daily low of about 9 °C.
Does it rain a lot in Harbin in September?
The curated estimate is about 8 rainy days per month, not a directly measured long-term average. Total precipitation averages around 50 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Harbin?
By the climate score, April, May, June and September are the strongest months for Harbin. September is one of them.