Climate averages 1991–2020

Moundou weather
in September.

A hot, wet month: the 11th warmest and the 10th driest of the year.

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

Average high 29.5°C Daytime mean, September
Average low 22.0°C Night-time mean, September
Rainfall 175 mm 22 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Moundou · average highYear overview

September is a hot month in Moundou: daytime highs average 29.5°C and nights cool to about 22.0°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 175 mm of rain on roughly 22 days, which makes September a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average September day.

The nearest other city in this atlas is Doba (86 km away). In September its highs average 29.3°C, about as warm as Moundou, with 159 mm of rain.

Among the 8 cities listed in Chad, Moundou ranks 5th of 8 for the warmest September highs and 8th of 8 for the driest September (rainfall, lowest first). The mean September high of those 8 cities is 30.3°C; Moundou is 0.7°C cooler than that mean.

From September to October, average highs rise by 1.6°C to 31.1°C, and monthly rainfall falls from 175 mm to 65 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. 15202530354045 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

Moundou climate table

1991–2020
Monthly climate averages for Moundou, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 33.0°C19.2°C19.2°C00.011.712 h
February 35.9°C21.4°C21.4°C00.011.812 h
March 38.4°C24.7°C24.7°C2.80.812.112 h
April 37.9°C26.8°C26.8°C245.612.312 h
May 34.9°C25.6°C25.6°C7412.312.513 h
June 32.0°C23.7°C23.7°C11616.812.613 h
July 29.6°C22.3°C22.3°C20324.712.613 h
August 28.7°C21.8°C21.8°C26227.312.412 h
September, selected 29.5°C22.0°C22.0°C17522.312.212 h
October 31.1°C22.4°C22.4°C6512.311.912 h
November 33.7°C21.6°C21.6°C2.50.611.712 h
December 32.8°C19.6°C19.6°C00.011.612 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 Moundou

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