Climate averages 1991–2020

Adwa weather
in September.

A warm, moderately wet month: the 10th warmest and the 10th driest of the year.

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

Average high 25.2°C Daytime mean, September
Average low 12.9°C Night-time mean, September
Rainfall 75 mm 11 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Adwa · average highYear overview

September is a warm month in Adwa: daytime highs average 25.2°C and nights cool to about 12.9°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 75 mm of rain on roughly 11 days, which makes September a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average September day.

The nearest other city in this atlas is Aksum (20 km away). In September its highs average 23.9°C, 1.3°C cooler than Adwa, with 87 mm of rain.

Among the 40 cities listed in Ethiopia, Adwa ranks joint 8th of 40 for the warmest September highs and 14th of 40 for the driest September (rainfall, lowest first). The mean September high of those 40 cities is 23.6°C; Adwa is 1.6°C warmer than that mean.

From September to October, average highs rise by 0.8°C to 26.0°C, and monthly rainfall falls from 75 mm to 9.5 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. 5101520253035 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

Adwa climate table

1991–2020
Monthly climate averages for Adwa, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 26.5°C10.0°C10.0°C4.80.711.411 h
February 28.4°C11.3°C11.3°C2.60.611.712 h
March 29.4°C12.9°C12.9°C173.212.012 h
April 29.8°C14.6°C14.6°C225.612.412 h
May 29.6°C15.5°C15.5°C326.312.813 h
June 27.9°C15.6°C15.6°C5811.212.913 h
July 23.9°C14.7°C14.7°C22928.412.913 h
August 23.4°C14.9°C14.9°C27029.612.613 h
September, selected 25.2°C12.9°C12.9°C7510.812.212 h
October 26.0°C11.4°C11.4°C9.51.611.812 h
November 25.7°C10.5°C10.5°C7.41.411.511 h
December 25.7°C9.4°C9.4°C2.10.511.311 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 Adwa

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