Climate averages 1991–2020

Khalifah A City weather
in September.

A very hot, very dry month: the 4th warmest and the 2nd driest of the year.

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

Average high 40.1°C Daytime mean, September
Average low 27.0°C Night-time mean, September
Rainfall <1 mm Almost no rain
Daylight 12 h Sunrise to sunset, per day
Every month in Khalifah A City · average highYear overview

September is a very hot month in Khalifah A City: daytime highs average 40.1°C and nights cool to about 27.0°C. By daytime temperature it is the 4th warmest of the 12 months.

Rain is very rare: less than 1 mm falls in a typical September (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 19 min on an average September day.

The nearest other city in this atlas is Mohammed Bin Zayed City (10 km away). In September its highs average 41.4°C, 1.3°C warmer than Khalifah A City, with almost no rain (under 1 mm).

Among the 13 cities listed in the United Arab Emirates, Khalifah A City ranks 5th of 13 for the warmest September highs and joint 2nd of 13 for the driest September (rainfall, lowest first). The mean September high of those 13 cities is 39.1°C; Khalifah A City is 1.0°C warmer than that mean.

From September to October, average highs fall by 3.9°C to 36.2°C, and monthly rainfall stays under 1 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. 1015202530354045 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 500

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

Every month, side by side

Khalifah A City climate table

1991–2020
Monthly climate averages for Khalifah A City, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 23.8°C14.2°C14.2°C9.11.610.811 h
February 25.7°C15.2°C15.2°C9.01.311.311 h
March 29.2°C17.5°C17.5°C131.612.012 h
April 34.5°C21.2°C21.2°C3.90.512.713 h
May 39.2°C24.8°C24.8°C0.30.113.313 h
June 41.1°C26.8°C26.8°C0.10.013.614 h
July 42.1°C29.3°C29.3°C1.20.013.513 h
August 42.6°C29.9°C29.9°C0.50.113.013 h
September, selected 40.1°C27.0°C27.0°C0.20.012.312 h
October 36.2°C23.6°C23.6°C0.60.111.612 h
November 30.5°C19.9°C19.9°C2.80.711.011 h
December 26.0°C16.3°C16.3°C4.91.010.711 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 Khalifah A City

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 Khalifah A City) is explained once on the Khalifah A City year overview and on the Sources, method and limits page.

Abu Dhabi lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.