Climate averages 1991–2020

Winneba weather
in September.

A warm, fairly dry month: the 10th warmest and the 6th driest of the year.

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

Average high 27.4°C Daytime mean, September
Average low 23.3°C Night-time mean, September
Rainfall 37 mm 9 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Winneba · average highYear overview

September is a warm month in Winneba: daytime highs average 27.4°C and nights cool to about 23.3°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 37 mm of rain on roughly 9 days, which makes September a fairly dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 09 min on an average September day.

The nearest other city in this atlas is Amanfrom (32 km away). In September its highs average 26.8°C, 0.6°C cooler than Winneba, with 83 mm of rain.

Among the 26 cities listed in Ghana, Winneba ranks joint 20th of 26 for the warmest September highs and 1st of 26 for the driest September (rainfall, lowest first). The mean September high of those 26 cities is 28.2°C; Winneba is 0.8°C cooler than that mean.

From September to October, average highs rise by 1.0°C to 28.4°C, and monthly rainfall rises from 37 mm to 64 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. 20253035 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

Winneba climate table

1991–2020
Monthly climate averages for Winneba, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 30.8°C24.4°C24.4°C154.511.812 h
February 31.2°C25.3°C25.3°C185.411.912 h
March 31.2°C25.6°C25.6°C318.912.112 h
April 30.9°C25.5°C25.5°C5914.012.212 h
May 29.6°C25.0°C25.0°C15223.912.412 h
June 27.7°C24.0°C24.0°C20322.412.412 h
July 26.7°C23.3°C23.3°C7110.612.412 h
August 26.6°C22.8°C22.8°C224.912.312 h
September, selected 27.4°C23.3°C23.3°C378.812.212 h
October 28.4°C23.9°C23.9°C6415.012.012 h
November 29.5°C24.4°C24.4°C4914.311.912 h
December 30.2°C24.7°C24.7°C268.611.812 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 Winneba

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