Climate averages 1991–2020

Gambēla weather
in September.

A hot, moderately wet month: the 9th warmest and the joint 5th driest of the year.

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

Average high 31.8°C Daytime mean, September
Average low 22.3°C Night-time mean, September
Rainfall 74 mm 13 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Gambēla · average highYear overview

September is a hot month in Gambēla: daytime highs average 31.8°C and nights cool to about 22.3°C. By daytime temperature it is the 9th warmest of the 12 months.

Expect about 74 mm of rain on roughly 13 days, which makes September a moderately wet month (the joint 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 10 min on an average September day.

The nearest other city in this atlas is Jimma (256 km away). In September its highs average 23.2°C, 8.6°C cooler than Gambēla, with 248 mm of rain.

Among the 40 cities listed in Ethiopia, Gambēla ranks 3rd of 40 for the warmest September highs and joint 12th of 40 for the driest September (rainfall, lowest first). The mean September high of those 40 cities is 23.6°C; Gambēla is 8.2°C warmer than that mean.

From September to October, average highs rise by 0.1°C to 31.9°C, and monthly rainfall rises from 74 mm to 112 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. 152025303540 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 1500

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

Every month, side by side

Gambēla climate table

1991–2020
Monthly climate averages for Gambēla, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 36.2°C23.1°C23.1°C1.40.411.712 h
February 37.9°C24.5°C24.5°C2.91.011.912 h
March 37.5°C25.4°C25.4°C164.612.112 h
April 34.9°C24.7°C24.7°C9314.612.312 h
May 32.2°C23.5°C23.5°C13620.112.512 h
June 30.8°C22.5°C22.5°C12816.312.613 h
July 29.6°C21.7°C21.7°C11916.712.613 h
August 30.0°C21.7°C21.7°C10516.712.412 h
September, selected 31.8°C22.3°C22.3°C7413.312.212 h
October 31.9°C22.1°C22.1°C11219.411.912 h
November 32.3°C21.7°C21.7°C7413.111.812 h
December 34.3°C22.3°C22.3°C9.12.211.712 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 Gambēla

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