Weather in Harbin for September 2025
Rainstorm Warning - See hour by hour.
So far, September 2025 in Harbin is slightly warmer than the historical average by 1.2 °C.
Expect cooler weather in the next days in Harbin with the forecast suggesting a temperature of 20.4 °C, lower than the historical average.
In general, the average temperature in Harbin at the beginning of September is 23.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.6 °C by the end of September.
Harbin experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 42.8 mm.
Is September a good time to visit Harbin? check out the best time to travel to Harbin page.
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Harbin Weather September
Temperatures trend during September in Harbin
September weather in Harbin day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 21° /13° | 5.1 mm | 5 | |
| 2 Sept. |  Sunny | 25° /13° | 0 mm | 7 | |
| 3 Sept. |  Overcast | 25° /15° | 0 mm | 6 | |
| 4 Sept. | Light rain shower | 24° /16° | 5.4 mm | 5 | |
| 5 Sept. | Sunny | 23° /13° | 1.6 mm | 6 | |
| 6 Sept. |  Cloudy | 23° /13° | 0.9 mm | 5 | |
| 7 Sept. | Sunny | 25° /14° | 0.1 mm | 6 | |
| 8 Sept. | Patchy rain possible | 23° /13° | 0.2 mm | 5 | |
| 9 Sept. | Sunny | 23° /12° | 1.4 mm | 6 | |
| 10 Sept. |  Partly cloudy | 22° /12° | 0 mm | 6 | |
| 11 Sept. |  Moderate or heavy rain shower | 22° /11° | 3.9 mm | 6 | |
| 12 Sept. | Partly cloudy | 22° /12° | 6.2 mm | 5 | |
| 13 Sept. | Sunny | 21° /11° | 0 mm | 6 | |
| 14 Sept. | Sunny | 22° /11° | 2.5 mm | 5 | |
| 15 Sept. | Sunny | 21° /10° | 0 mm | 5 | |
| 16 Sept. | Patchy rain possible | 19° /11° | 0.8 mm | 0.7 | |
| 17 Sept. | Sunny | 19° /8° | 0 mm | 1.1 | |
| 18 Sept. | Sunny | 21° /9° | 0 mm | 1.1 | |
| 19 Sept. | Sunny | 23° /11° | 0 mm | 1.1 | |
| 20 Sept. | Partly cloudy | 20° /11° | 0 mm | 0.9 | |
| 21 Sept. | Partly cloudy | 20° /12° | 0 mm | 4 | |
| 22 Sept. | Sunny | 22° /11° | 0 mm | 5 | |
| 23 Sept. | Cloudy | 22° /12° | 0 mm | 4 | |
| 24 Sept. | Partly cloudy | 21° /13° | 0 mm | 5 | |
| 25 Sept. | Patchy rain possible | 24° /14° | 2.4 mm | 4 | |
| 26 Sept. | Patchy rain possible | 24° /14° | 0.2 mm | 4 | |
| 27 Sept. | Patchy rain possible | 18° /12° | 1.7 mm | 4 | |
| 28 Sept. | Sunny | 15° /9° | 0 mm | 4 | |
| 29 Sept. | Partly cloudy | 17° /7° | 0 mm | 4 | |
| 30 Sept. | Patchy rain possible | 18° /8° | 0.9 mm | 5 | |
| Next | |||||
Harbin weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Sunny | Sunny |
| Temperatures | 25°/18° | 20°/11° | 13°/5° |
| Rainfall | 147 mm | 43 mm | 16 mm |
| Wind | 14.8 km/h | 19.8 km/h | 19.8 km/h |
| Humidity | 85% | 71% | 48% |
| Rainy days | 17 days | 9 days | 3 days |
| Dry days | 14 days | 21 days | 28 days |
Planning a trip to Harbin? Discover the best time to visit
Harbin in September - FAQ
What to pack to Harbin in September?
As you prepare for your trip to Harbin in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Harbin, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Harbin
UV exposure in Harbin during September
Quick links
Where is Harbin?Get accurate weather forecasts for Harbin, located at latitude 45.75 and longitude 126.65. Stay updated with localized weather information tailored for Harbin.