Climate averages 1991–2020

Wuwei weather
in September.

A mild, fairly dry month: the 5th warmest and the 10th driest of the year. Meets the pleasant-weather rule

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

Average high 21.3°C Daytime mean, September
Average low 9.9°C Night-time mean, September
Rainfall 37 mm 8 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Wuwei · average highYear overview

September is a mild month in Wuwei: daytime highs average 21.3°C and nights cool to about 9.9°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 37 mm of rain on roughly 8 days, which makes September a fairly dry month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 28 min on an average September day.

The nearest other city in this atlas is Jinchang (74 km away). In September its highs average 22.1°C, 0.7°C warmer than Wuwei, with 33 mm of rain.

Among the 884 cities listed in China, Wuwei ranks joint 774th of 884 for the warmest September highs and joint 43rd of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Wuwei is 4.4°C cooler than that mean.

From September to October, average highs fall by 6.4°C to 15.0°C, and monthly rainfall falls from 37 mm to 14 mm.

The annual picture

September in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -15-10-505101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 500

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

Every month, side by side

Wuwei climate table

1991–2020
Monthly climate averages for Wuwei, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -0.4°C-11.0°C-11.0°C1.70.79.910 h
February 3.6°C-7.6°C-7.6°C2.10.810.811 h
March 10.0°C-3.2°C-3.2°C5.31.811.912 h
April 17.4°C2.1°C2.1°C9.22.613.213 h
May 22.5°C7.6°C7.6°C174.314.214 h
June 26.7°C12.8°C12.8°C244.914.715 h
July 28.3°C15.4°C15.4°C436.514.515 h
August 26.6°C14.5°C14.5°C447.313.614 h
September, selected 21.3°C9.9°C9.9°C378.012.512 h
October 15.0°C2.8°C2.8°C143.511.211 h
November 7.6°C-3.9°C-3.9°C2.60.810.210 h
December 1.3°C-8.9°C-8.9°C1.20.59.610 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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 Wuwei

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 Wuwei) is explained once on the Wuwei year overview and on the Sources, method and limits page.