Climate averages 1991–2020
Nanxi weather
in September.
A warm, wet month: the 4th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Nanxi: daytime highs average 26.9°C and nights cool to about 21.0°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 123 mm of rain on roughly 16 days, which makes September a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 21 min on an average September day.
The nearest other city in this atlas is Changning (30 km away). In September its highs average 26.9°C, about as warm as Nanxi, with 140 mm of rain.
Among the 884 cities listed in China, Nanxi ranks joint 322nd of 884 for the warmest September highs and joint 670th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Nanxi is 1.2°C warmer than that mean.
From September to October, average highs fall by 5.6°C to 21.3°C, and monthly rainfall falls from 123 mm to 84 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Nanxi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 11.0°C5.9°C | 5.9°C | 33 | 10.8 | 10.511 h |
| February | 13.6°C7.6°C | 7.6°C | 31 | 9.4 | 11.211 h |
| March | 18.1°C11.0°C | 11.0°C | 51 | 11.9 | 12.012 h |
| April | 23.3°C15.4°C | 15.4°C | 77 | 13.9 | 12.813 h |
| May | 26.7°C19.0°C | 19.0°C | 106 | 14.8 | 13.614 h |
| June | 28.9°C22.1°C | 22.1°C | 168 | 17.2 | 13.914 h |
| July | 31.4°C24.3°C | 24.3°C | 212 | 19.2 | 13.814 h |
| August | 31.1°C24.1°C | 24.1°C | 201 | 18.0 | 13.213 h |
| September, selected | 26.9°C21.0°C | 21.0°C | 123 | 15.5 | 12.412 h |
| October | 21.3°C16.7°C | 16.7°C | 84 | 17.0 | 11.511 h |
| November | 17.2°C12.2°C | 12.2°C | 54 | 13.1 | 10.711 h |
| December | 12.1°C7.5°C | 7.5°C | 36 | 11.2 | 10.310 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Changning in SeptemberChina · 30 kmHigh 26.9°C · Low 20.9°C · 140 mm rain
- Yibin in SeptemberChina · 34 kmHigh 26.4°C · Low 20.8°C · 119 mm rain
- Luzhou in SeptemberChina · 44 kmHigh 27.4°C · Low 21.0°C · 125 mm rain
- Baixi in SeptemberChina · 45 kmHigh 26.4°C · Low 20.8°C · 127 mm rain
- Xunchang in SeptemberChina · 50 kmHigh 25.3°C · Low 19.5°C · 130 mm rain
- Fuji, China in SeptemberChina · 51 kmHigh 27.2°C · Low 20.7°C · 123 mm rain
- Zigong in SeptemberChina · 59 kmHigh 26.7°C · Low 20.4°C · 114 mm rain
- Shuifu in SeptemberChina · 60 kmHigh 26.6°C · Low 21.1°C · 127 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Nanxi) is explained once on the Nanxi year overview and on the Sources, method and limits page.