Climate averages 1991–2020

Nanchuan weather
in September.

A warm, wet month: the 4th warmest and the 7th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 26.3°C Daytime mean, September

Average low 19.1°C Night-time mean, September

Rainfall 123 mm 14 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

September is a warm month in Nanchuan: daytime highs average 26.3°C and nights cool to about 19.1°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 123 mm of rain on roughly 14 days, which makes September a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 22 min on an average September day.

The nearest other city in this atlas is Wansheng (27 km away). In September its highs average 27.5°C, 1.2°C warmer than Nanchuan, with 127 mm of rain.

Among the 884 cities listed in China, Nanchuan ranks joint 464th 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; Nanchuan is 0.6°C warmer than that mean.

From September to October, average highs fall by 5.9°C to 20.5°C, and monthly rainfall falls from 123 mm to 121 mm.

The annual picture

September in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Nanchuan climate table

1991–2020

Monthly climate averages for Nanchuan, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	9.3°C3.2°C	3.2°C	36	9.4	10.511 h
February	12.0°C5.3°C	5.3°C	43	10.2	11.111 h
March	16.2°C8.7°C	8.7°C	85	15.0	12.012 h
April	21.2°C13.2°C	13.2°C	134	17.2	12.913 h
May	24.7°C16.8°C	16.8°C	191	18.2	13.614 h
June	27.4°C20.4°C	20.4°C	197	18.7	14.014 h
July	30.5°C22.9°C	22.9°C	188	17.6	13.814 h
August	30.4°C22.6°C	22.6°C	170	17.0	13.213 h
September, selected	26.3°C19.1°C	19.1°C	123	13.7	12.412 h
October	20.5°C14.7°C	14.7°C	121	16.4	11.511 h
November	15.9°C9.9°C	9.9°C	80	12.5	10.711 h
December	10.7°C5.0°C	5.0°C	42	10.0	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

Distance from Nanchuan

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 limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Nanchuan) is explained once on the Nanchuan year overview and on the Sources, method and limits page.