Climate averages 1991–2020

Rutoma weather
in September.

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

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

Average high 25.5°C Daytime mean, September
Average low 15.8°C Night-time mean, September
Rainfall 116 mm 18 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Rutoma · average highYear overview

September is a warm month in Rutoma: daytime highs average 25.5°C and nights cool to about 15.8°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 116 mm of rain on roughly 18 days, which makes September a wet month (the joint 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 06 min on an average September day.

The nearest other city in this atlas is Mbarara (30 km away). In September its highs average 25.9°C, about as warm as Rutoma, with 70 mm of rain.

Among the 21 cities listed in Uganda, Rutoma ranks joint 10th of 21 for the warmest September highs and 7th of 21 for the driest September (rainfall, lowest first). The mean September high of those 21 cities is 25.7°C; Rutoma is 0.2°C cooler than that mean.

From September to October, average highs fall by 0.6°C to 24.8°C, and monthly rainfall rises from 116 mm to 163 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. 1015202530 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

Rutoma climate table

1991–2020
Monthly climate averages for Rutoma, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 25.4°C16.2°C16.2°C8014.012.112 h
February 26.3°C16.9°C16.9°C8012.612.112 h
March 25.9°C17.0°C17.0°C12118.212.112 h
April 24.9°C16.7°C16.7°C14423.012.112 h
May 24.7°C16.7°C16.7°C11720.012.112 h
June 25.2°C16.9°C16.9°C528.612.112 h
July 25.8°C16.7°C16.7°C284.712.112 h
August 25.7°C16.5°C16.5°C8913.112.112 h
September, selected 25.5°C15.8°C15.8°C11618.412.112 h
October 24.8°C15.7°C15.7°C16323.212.112 h
November 24.3°C15.6°C15.6°C15823.212.112 h
December 24.7°C15.8°C15.8°C11618.012.212 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 Rutoma

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