Jilin weather in September
In September, Jilin has an average high of 22 °C72 °F and an average low of 10 °C50 °F, with about 57 mm2.3 in of precipitation. It is the 4th warmest month of the year and ranks 5th for precipitation.
How September compares with other months
Compared with August, September is 6.1 °C11 °F cooler on average and drier by 91 mm3.6 in. Compared with October, September is 9.3 °C16.7 °F warmer on average and wetter by 26 mm1.0 in. Daylight lasts about 12.4 hours around the middle of the month. Average relative humidity is 70% and the average cloud amount 50%.
Is September a good time to visit Jilin?
Yes — September is one of the most comfortable months to visit Jilin by our comfort score, which favours average highs of 21–28 °C, lows above 5 °C, little rain and moderate humidity.
What to wear in September
For Jilin in September, pack light layers — T-shirts plus a light sweater or jacket and an extra layer for the cooler mornings and evenings.
September in nearby places
| Place | High °C°F | Low °C°F | Precip. mmin |
|---|---|---|---|
| Jilin | 2272 | 1050 | 572.3 |
| Jishu | 2171 | 948 | 622.4 |
| Jiaohe | 2271 | 1050 | 652.6 |
| Jiutai | 2373 | 1050 | 562.2 |
| Huadian | 2272 | 1050 | 612.4 |
| Changchun | 2272 | 1049 | 562.2 |
| Dehui | 2272 | 949 | 552.2 |
| Yushu | 2271 | 948 | 572.2 |
| Dunhua | 2069 | 846 | 622.4 |
Nearby places that are more than 1 °C1.8 °F cooler: Dunhua.
Other months in Jilin
- January−11 °C13 °F / −22 °C−7 °F
- February−5 °C22 °F / −18 °C0 °F
- March4 °C39 °F / −8 °C17 °F
- April14 °C58 °F / 0 °C33 °F
- May22 °C72 °F / 8 °C47 °F
- June27 °C81 °F / 15 °C58 °F
- July29 °C84 °F / 18 °C65 °F
- August27 °C81 °F / 17 °C63 °F
- September22 °C72 °F / 10 °C50 °F
- October13 °C56 °F / 0 °C33 °F
- November1 °C34 °F / −9 °C16 °F
- December−9 °C16 °F / −19 °C−2 °F
Frequently asked questions
How warm is Jilin in September?
In September the average high in Jilin is 22 °C (72 °F) and the average low is 10 °C (50 °F).
Does it rain a lot in Jilin in September?
On average about 57 mm (2.3 in) of precipitation falls in September; it ranks 5th of the 12 months.
Is September the warmest month in Jilin?
No. The warmest month in Jilin is July, with an average high of 29 °C (84 °F). The coldest month is January, with an average low of -22 °C (-7 °F).
How long is the day in Jilin in September?
In the middle of September the day in Jilin lasts about 12.4 hours from sunrise to sunset. The value is calculated from the position of the city and the sun.
How humid is Jilin in September?
The average relative humidity in September is about 70%. This is a long-term average for the whole day.
How cloudy is Jilin in September?
On average about 50% of the sky is covered by cloud in September. This is the mean cloud amount from satellite data, not the number of sunny days.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.