Climate averages 1991–2020

Mbabane weather
in September.

A warm, moderately wet month: the 6th warmest and the 5th driest of the year.

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

Average high 23.1°C Daytime mean, September
Average low 11.0°C Night-time mean, September
Rainfall 57 mm 9 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Mbabane · average highYear overview

September is a warm month in Mbabane: daytime highs average 23.1°C and nights cool to about 11.0°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 57 mm of rain on roughly 9 days, which makes September a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 55 min on an average September day.

The nearest other city in this atlas is Manzini (32 km away). In September its highs average 25.2°C, 2.1°C warmer than Mbabane, with 36 mm of rain.

Among the 2 cities listed in Eswatini, Mbabane ranks 2nd of 2 for the warmest September highs and 2nd of 2 for the driest September (rainfall, lowest first). The mean September high of those 2 cities is 24.2°C; Mbabane is 1.0°C cooler than that mean.

From September to October, average highs fall by 0.1°C to 23.0°C, and monthly rainfall rises from 57 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. 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 2500

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

Every month, side by side

Mbabane climate table

1991–2020
Monthly climate averages for Mbabane, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 24.4°C16.2°C16.2°C21619.713.614 h
February 24.4°C16.2°C16.2°C17716.713.013 h
March 23.6°C15.0°C15.0°C15916.812.312 h
April 21.8°C12.6°C12.6°C7811.311.511 h
May 20.4°C9.5°C9.5°C325.510.811 h
June 18.7°C7.0°C7.0°C183.510.511 h
July 18.5°C6.5°C6.5°C183.910.711 h
August 20.8°C8.4°C8.4°C325.511.211 h
September, selected 23.1°C11.0°C11.0°C579.011.912 h
October 23.0°C12.5°C12.5°C11215.612.713 h
November 23.7°C14.0°C14.0°C17118.613.413 h
December 24.5°C15.5°C15.5°C20819.913.814 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 Mbabane

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