Jilin weather in September
September is one of the best months to visit Jilin: highs of 22°C (72°F) and about 56 mm (2.2 in) of rain on average. Nights average 10°C (49°F) and cloud cover 47% (NASA POWER, 2001–2025 averages). It is the 5th wettest month of the year and the 4th warmest. Compared with August, it is cooler and drier; October brings highs of 13°C (55°F) and 29 mm (1.1 in) of rain.
Figures are long-term averages for Changchun, the largest city in Jilin. See below for other places.
Is September a good time to visit Jilin?
best month Weather score 81/100.
Yes. September is one of the best months for weather in Jilin.
Does it rain a lot in Jilin in September?
No, it is usually dry: about 56 mm (2.2 in) falls in an average September. It is the 5th wettest month of the year.
How warm is Jilin in September?
Days average 22°C (72°F) and nights 10°C (49°F).
Jilin weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | -11°C (12°F) | -22°C (-8°F) | 6 mm | 48% | least pleasant |
| February | -5°C (22°F) | -18°C (0°F) | 9 mm | 49% | least pleasant |
| March | 4°C (38°F) | -8°C (17°F) | 15 mm | 50% | least pleasant |
| April | 14°C (58°F) | 0°C (32°F) | 27 mm | 57% | fair |
| May | 22°C (72°F) | 8°C (47°F) | 68 mm | 61% | best |
| June | 27°C (80°F) | 15°C (58°F) | 108 mm | 65% | fair |
| July | 29°C (84°F) | 18°C (65°F) | 146 mm | 67% | fair |
| August | 27°C (81°F) | 17°C (62°F) | 140 mm | 60% | fair |
| September | 22°C (72°F) | 10°C (49°F) | 56 mm | 47% | best |
| October | 13°C (55°F) | 0°C (33°F) | 29 mm | 42% | fair |
| November | 1°C (33°F) | -9°C (15°F) | 20 mm | 47% | least pleasant |
| December | -9°C (16°F) | -19°C (-3°F) | 10 mm | 49% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Jilin in September
Weather can differ a lot within Jilin: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Changchun | 22°C (72°F) | 10°C (49°F) | 56 mm | best |
| Jilin | 22°C (72°F) | 10°C (49°F) | 57 mm | best |
| Siping | 23°C (73°F) | 10°C (51°F) | 50 mm | best |
| Tonghua | 21°C (69°F) | 9°C (48°F) | 71 mm | best |
| Longshan | 22°C (72°F) | 10°C (50°F) | 52 mm | best |
| Yanji | 22°C (71°F) | 9°C (47°F) | 61 mm | best |
| Baicheng | 23°C (73°F) | 9°C (48°F) | 48 mm | best |
| Baishan | 20°C (68°F) | 8°C (46°F) | 62 mm | best |
| Gongzhuling | 23°C (73°F) | 10°C (50°F) | 52 mm | best |
| Jiutai | 22°C (72°F) | 10°C (49°F) | 56 mm | best |
| Dunhua | 20°C (68°F) | 8°C (46°F) | 62 mm | best |
| Huadian | 21°C (70°F) | 9°C (48°F) | 61 mm | best |