Nanjing in Fall
In fall (September, October and November), Nanjing sees average daytime highs around 22°C and overnight lows near 14°C, with 188 mm of rain over about 22 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 29°C in early September to 13°C by late November. The sky is clear or mostly clear about 42% of the time across fall, and the air most often feels dry.
Fall is Nanjing's best season of the year to visit on our travel score. For the whole year in context, see Nanjing's year-round climate.
- Avg daytime high
- 22°C
- 2nd-warmest season
- Avg overnight low
- 14°C
- Rainfall
- 188 mm
- 22 wet days
- Avg wind
- 10 km/h
- Travel score
- 6.4
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Nanjing in Fall
Over the season highs ease from about 29°C in early September to 13°C by late November.
A typical fall day in Nanjing reaches about 22°C and drops to 14°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Nanjing
Once humidity and wind are folded in, fall brings about 2 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Nanjing weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / 0° | 55 | 8 | 2 | 10.1 | 1.0 |
| Feb | 10° / 2° | 55 | 8.3 | 1.3 | 10.8 | 2.2 |
| Mar | 15° / 6° | 80 | 10 | 0.4 | 11.8 | 4.3 |
| Apr | 21° / 12° | 94 | 9.1 | 0 | 12.8 | 6.4 |
| May | 26° / 17° | 121 | 9.8 | 0 | 13.6 | 6.6 |
| Jun | 29° / 22° | 222 | 11.9 | 0 | 14.1 | 5.2 |
| Jul | 32° / 25° | 210 | 15.1 | 0 | 13.9 | 3.5 |
| Aug | 31° / 25° | 174 | 14.4 | 0 | 13.2 | 3.9 |
| Sep | 27° / 20° | 81 | 8.4 | 0 | 12.2 | 6.4 |
| Oct | 22° / 14° | 54 | 6.3 | 0 | 11.2 | 7.4 |
| Nov | 16° / 8° | 53 | 6.8 | 0.1 | 10.4 | 5.5 |
| Dec | 10° / 2° | 34 | 5.6 | 0.4 | 9.9 | 2.4 |
Cloud cover in Fall
The sky is clear or mostly clear about 42% of the time across fall.
Chance of precipitation in Fall
Nanjing gets around 188 mm of rain over 22 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 10 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early September to 10 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.5 kWh/m².
Hazard calendar for Nanjing
In fall, Nanjing overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Nanjing sits in the Pacific typhoon belt; the season peaks July–October.
Nanjing's rainy season runs May–August, when most of the year's rain falls.
Is fall a good time to visit Nanjing?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Nanjing for sightseeing.
What to pack for Nanjing in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Nanjing sees daytime highs around 22°C and nights near 14°C. Pack light clothes. Worth having: a warm layer and rain gear. About 22 days see rain.
UV index in Nanjing in Fall
Clear-sky midday UV across fall averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nanjing peaks around July 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 6 | 6 | 7 | 6 | 9 | 8 | 9 | 5 | 3 | 3 |
| Level | Moderate | Moderate | High | High | High | High | Very high | Very high | Very high | Moderate | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 6 | High |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 9 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 3 | Moderate |
Air quality in Nanjing in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Nanjing is worst in January — around 59 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (August, 29 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Nanjing's WHO annual average of 44.7 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 59 | 55 | 53 | 48 | 42 | 36 | 29 | 29 | 35 | 44 | 49 | 58 |
| Level | Unhealthy | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Poor | Poor | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 59 | Unhealthy |
| Feb | 55 | Poor |
| Mar | 53 | Poor |
| Apr | 48 | Poor |
| May | 42 | Poor |
| Jun | 36 | Poor |
| Jul | 29 | Moderate |
| Aug | 29 | Moderate |
| Sep | 35 | Poor |
| Oct | 44 | Poor |
| Nov | 49 | Poor |
| Dec | 58 | Unhealthy |
Where is Nanjing?
Nanjing sits at 32.1°N, 118.8°E, 22 m above sea level, in China. The nearest listed city is Wuxi, 153 km away.
Topography around Nanjing
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nanjing.
Within 3 km, the terrain around Nanjing has only modest variations in elevation — a maximum elevation change of 59 m around an average of 15 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 514 m; within 80 km, large variations in elevation — a maximum elevation change of 611 m.
The land around Nanjing is covered by artificial surfaces (66%) and trees (22%) within 3 km, artificial surfaces (46%) and trees (28%) within 16 km, and cropland (51%) and trees (28%) within 80 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
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 Nanjing (32.0617°, 118.7778°, elevation 22 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.