Climate averages 1991–2020

Iringa weather
in September.

A warm, very dry month: the joint 3rd warmest and the 4th driest of the year. Meets the pleasant-weather rule

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

Average high 24.2°C Daytime mean, September
Average low 12.7°C Night-time mean, September
Rainfall 1.2 mm fewer than one day with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Iringa · average highYear overview

September is a warm month in Iringa: daytime highs average 24.2°C and nights cool to about 12.7°C. By daytime temperature it is the joint 3rd warmest of the 12 months.

Expect about 1.2 mm of rain on fewer than one day, which makes September a very dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 03 min on an average September day.

The nearest other city in this atlas is Mafinga (74 km away). In September its highs average 22.7°C, 1.5°C cooler than Iringa, with 3.1 mm of rain.

Among the 43 cities listed in Tanzania, Iringa ranks 40th of 43 for the warmest September highs and 5th of 43 for the driest September (rainfall, lowest first). The mean September high of those 43 cities is 28.0°C; Iringa is 3.8°C cooler than that mean.

From September to October, average highs rise by 1.2°C to 25.5°C, and monthly rainfall rises from 1.2 mm to 8.3 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. 51015202530 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 2000

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

Every month, side by side

Iringa climate table

1991–2020
Monthly climate averages for Iringa, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 23.1°C15.2°C15.2°C16323.712.513 h
February 23.4°C15.3°C15.3°C12720.112.412 h
March 23.1°C15.6°C15.6°C13020.512.112 h
April 22.4°C15.6°C15.6°C5710.411.912 h
May 22.6°C14.2°C14.2°C7.01.511.812 h
June 22.0°C12.2°C12.2°C0.40.111.712 h
July 21.4°C11.3°C11.3°C0.10.011.712 h
August 22.6°C11.8°C11.8°C0.30.011.912 h
September, selected 24.2°C12.7°C12.7°C1.20.312.112 h
October 25.5°C14.2°C14.2°C8.31.912.312 h
November 25.8°C15.1°C15.1°C467.312.512 h
December 24.2°C15.4°C15.4°C13119.212.613 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 Iringa

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