Climate averages 1991–2020

Tamale weather
in September.

A hot, wet month: the 11th warmest and the 11th driest of the year.

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

Average high 29.0°C Daytime mean, September
Average low 22.4°C Night-time mean, September
Rainfall 179 mm 23 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Tamale · average highYear overview

September is a hot month in Tamale: daytime highs average 29.0°C and nights cool to about 22.4°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 179 mm of rain on roughly 23 days, which makes September a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average September day.

The nearest other city in this atlas is Bolgatanga (154 km away). In September its highs average 29.6°C, 0.6°C warmer than Tamale, with 144 mm of rain.

Among the 26 cities listed in Ghana, Tamale ranks 5th of 26 for the warmest September highs and 21st of 26 for the driest September (rainfall, lowest first). The mean September high of those 26 cities is 28.2°C; Tamale is 0.9°C warmer than that mean.

From September to October, average highs rise by 1.7°C to 30.7°C, and monthly rainfall falls from 179 mm to 69 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 2500

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

Every month, side by side

Tamale climate table

1991–2020
Monthly climate averages for Tamale, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 35.2°C20.8°C20.8°C2.10.311.612 h
February 37.1°C23.1°C23.1°C5.71.411.812 h
March 37.8°C25.7°C25.7°C214.712.112 h
April 36.7°C26.1°C26.1°C519.512.312 h
May 34.7°C25.3°C25.3°C6812.112.513 h
June 32.0°C23.9°C23.9°C7813.112.713 h
July 29.5°C22.8°C22.8°C15220.912.613 h
August 28.5°C22.4°C22.4°C22525.512.412 h
September, selected 29.0°C22.4°C22.4°C17922.812.212 h
October 30.7°C23.0°C23.0°C6911.311.912 h
November 33.8°C22.6°C22.6°C7.21.411.712 h
December 34.7°C21.0°C21.0°C1.50.111.612 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 Tamale

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