Climate averages 1991–2020

Uromi weather
in September.

A warm, very wet month: the 10th warmest and the wettest of the year.

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

Average high 27.8°C Daytime mean, September
Average low 21.5°C Night-time mean, September
Rainfall 239 mm 28 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Uromi · average highYear overview

September is a warm month in Uromi: daytime highs average 27.8°C and nights cool to about 21.5°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 239 mm of rain on roughly 28 days, which makes September a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 10 min on an average September day.

The nearest other city in this atlas is Asaba (71 km away). In September its highs average 28.9°C, 1.1°C warmer than Uromi, with 200 mm of rain.

Among the 143 cities listed in Nigeria, Uromi ranks joint 108th of 143 for the warmest September highs and joint 91st of 143 for the driest September (rainfall, lowest first). The mean September high of those 143 cities is 28.6°C; Uromi is 0.9°C cooler than that mean.

From September to October, average highs rise by 0.8°C to 28.5°C, and monthly rainfall falls from 239 mm to 186 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

Uromi climate table

1991–2020
Monthly climate averages for Uromi, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 33.5°C21.5°C21.5°C9.02.411.812 h
February 34.0°C22.7°C22.7°C226.311.912 h
March 32.9°C23.6°C23.6°C6114.212.112 h
April 31.2°C23.3°C23.3°C11919.312.312 h
May 29.8°C22.7°C22.7°C18525.112.412 h
June 28.2°C21.9°C21.9°C22027.412.513 h
July 27.1°C21.3°C21.3°C20128.012.512 h
August 27.2°C21.2°C21.2°C18826.312.312 h
September, selected 27.8°C21.5°C21.5°C23927.912.212 h
October 28.5°C21.7°C21.7°C18624.812.012 h
November 30.2°C22.1°C22.1°C408.611.812 h
December 32.3°C21.6°C21.6°C6.52.011.712 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 Uromi

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