Climate averages 1991–2020

Anning weather
in September.

A warm, wet month: the 6th warmest and the 9th driest of the year.

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

Average high 22.4°C Daytime mean, September
Average low 16.0°C Night-time mean, September
Rainfall 152 mm 20 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Anning · average highYear overview

September is a warm month in Anning: daytime highs average 22.4°C and nights cool to about 16.0°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 152 mm of rain on roughly 20 days, which makes September a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 19 min on an average September day.

The nearest other city in this atlas is Haikou, China (18 km away). In September its highs average 21.6°C, 0.9°C cooler than Anning, with 147 mm of rain.

Among the 884 cities listed in China, Anning ranks joint 727th of 884 for the warmest September highs and joint 758th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Anning is 3.2°C cooler than that mean.

From September to October, average highs fall by 2.3°C to 20.2°C, and monthly rainfall falls from 152 mm to 91 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. 051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 3000

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

Every month, side by side

Anning climate table

1991–2020
Monthly climate averages for Anning, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 15.5°C6.2°C6.2°C274.210.811 h
February 18.4°C7.8°C7.8°C213.911.311 h
March 22.2°C10.9°C10.9°C294.912.012 h
April 24.9°C13.6°C13.6°C457.312.713 h
May 25.4°C15.8°C15.8°C10712.913.313 h
June 24.6°C17.5°C17.5°C23022.813.714 h
July 23.9°C17.7°C17.7°C26726.613.514 h
August 23.9°C17.4°C17.4°C23124.913.013 h
September, selected 22.4°C16.0°C16.0°C15219.812.312 h
October 20.2°C13.5°C13.5°C9114.311.612 h
November 17.6°C9.7°C9.7°C274.811.011 h
December 15.0°C6.6°C6.6°C163.310.611 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 Anning

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