Jinan weather in September

In September, Jinan sees average daytime highs of 27°C and overnight lows near 17°C, with 52 mm of rain across 6.1 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 42% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Jinan's 8th-clearest and 11th-windiest month. For the whole year in context, see Jinan's year-round climate.

Daytime high
27°
4th warmest
Overnight low
17°
9th coldest
Rainfall
52 mm
6.1 wet days
Daylight
12 h 12 min
5:59 AM – 6:13 PM
Cloud cover
51%
8th clearest
Wind
8 km/h
11th windiest
Solar energy
4.48 kWh/m²
Travel score
7.2
out of 10

Jinan is capital of Shandong province, China.

Air quality
Very high
PM2.5 53.9 µg/m³ · 2018
Density
423/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 25°C by the end.

A typical September day in Jinan reaches about 27°C in the afternoon and slips back to 17°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, September runs about 4°C cooler than August and about 6°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12820
22820
32820
42819
52819
62819
72819
82819
92719
102718
112718
122718
132718
142718
152717
162717
172617
182617
192617
202616
212616
222616
232616
242516
252515
262515
272515
282515
292415
302414

How September really feels in Jinan

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Jinan weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°51.21.19.80.0
Feb / -2°122.61.410.61.3
Mar14° / 163.20.511.74.7
Apr20° / 10°335.10.112.97.2
May26° / 16°516013.97.3
Jun31° / 21°677014.55.0
Jul31° / 24°16012.5014.34.0
Aug30° / 22°15612.1013.44.8
Sep27° / 17°526.1012.27.2
Oct21° / 11°304.1011.17.6
Nov12° / 223.90.7104.0
Dec / -3°820.99.50.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25248
35248
45248
55248
65149
75149
85248
95248
105248
115248
125248
135347
145446
155446
165446
175644
185644
195644
205644
215743
225743
235743
245743
255743
265644
275644
285743
295644
305644

Chance of precipitation in September

Any precipitation

Jinan gets around 52 mm of rain over 6.1 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 29% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
129
228
328
427
526
626
725
825
924
1024
1123
1223
1323
1422
1522
1621
1720
1820
1919
2019
2118
2218
2317
2417
2516
2616
2716
2815
2915
3015

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
15112339202
26122438182
37132536162
48142735142
58162834132
69172932111
710183031101
81119313081
91220312871
101421322761
111522322651
121723312441
131924312330
142125312130
152325302020
162526291820
172726291710
182927281510
193127271410
203427261310
213627251110
223828241010
23412822810
24432821700
25462820600
26492718500
27522717400
28542616400
29562615300
30592513300

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over September. Sunrise moves from 5:47 AM to 6:11 AM, and sunset from 6:36 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:476:36
212.85:486:35
312.75:496:33
412.75:506:32
512.75:506:30
612.65:516:29
712.65:526:27
812.55:536:26
912.55:546:24
1012.55:546:23
1112.45:556:21
1212.45:566:20
1312.35:576:18
1412.35:586:16
1512.35:596:15
1612.25:596:13
1712.26:006:12
1812.26:016:10
1912.16:026:09
2012.16:036:07
2112.06:046:05
2212.06:046:04
2311.96:056:02
2411.96:066:01
2511.96:075:59
2611.86:085:58
2711.86:095:56
2811.76:095:54
2911.76:105:53
3011.76:115:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.48 kWh/m².

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 6.16 kWh/m² in June across the year — September's 4.48 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.2Bright
304.2Bright
Planning a trip in September

Hazard calendar for Jinan

In seasonPeak

None of Jinan's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Jinan's rainy season runs July–August, when most of the year's rain falls.

Jinan sees seasonal dust haze (April), heaviest in April.

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

Is September a good time to visit Jinan?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.2
Sightseeing
3rd-best month of the year
7.1
Beach & pool
2nd-best month of the year

September is one of the better times to visit Jinan for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Jinan in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Jinan sees daytime highs around 27°C and nights near 17°C. Worth packing: light clothes. About 6 days see rain.

light clothes

UV index in Jinan in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jinan peaks around May 21 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighVery highModerateMay 21UV 8Dec 20UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun7Very high
Jul6High
Aug7High
Sep8Very high
Oct2Moderate
Nov3Moderate
Dec2Low

Air quality in Jinan in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Jinan is worst in January — around 80 µg/m³ PM2.5 (unhealthy), about 2.2× the cleanest month (July, 36 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Jinan's WHO annual average of 53.9 µg/m³.

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJan 1379 µg/m³Jul 2036 µg/m³
PM2.5 (µg/m³)Level
Jan80Unhealthy
Feb65Unhealthy
Mar57Unhealthy
Apr48Poor
May41Poor
Jun38Poor
Jul36Poor
Aug37Poor
Sep47Poor
Oct58Unhealthy
Nov65Unhealthy
Dec74Unhealthy
Location & terrain

Where is Jinan?

Jinan sits at 36.7°N, 117.0°E, 32 m above sea level, in China. The nearest listed city is Tianjin, 276 km away.

QingdaoBeijingZhengzhouSongyangLuoyangDalianChengde

Topography around Jinan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Jinan.

Within 3 km, the terrain around Jinan has only modest variations in elevation — a maximum elevation change of 136 m around an average of 38 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 608 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,507 m.

The land around Jinan is covered by artificial surfaces (89%) within 3 km, artificial surfaces (46%) and cropland (24%) within 16 km, and cropland (63%) within 80 km.

3 km
136 m
16 km
608 m
80 km
1,507 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Tianjin 276 km · Qingdao 310 km · Beijing 364 km · Zhengzhou 369 km · Songyang 435 km · Luoyang 468 km · Dalian 475 km · Chengde 484 km

China travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / I
220 V · 50 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$13,862
2025
Happiness
6.1 / 10
World Happiness, 2025
Homicide rate
0.5
per 100k, 2020
Road deaths
17.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 464
Religion
unaffiliated 52%folk religion 22%Buddhist 18%Christian 5%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Jinan (36.6683°, 116.9972°, elevation 32 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).