Climate averages 1991–2020

Najafābād weather
in September.

A hot, very dry month: the 4th warmest and the 3rd driest of the year.

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

Average high 31.3°C Daytime mean, September
Average low 15.2°C Night-time mean, September
Rainfall <1 mm Almost no rain
Daylight 12 h Sunrise to sunset, per day
Every month in Najafābād · average highYear overview

September is a hot month in Najafābād: daytime highs average 31.3°C and nights cool to about 15.2°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 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 24 min on an average September day.

The nearest other city in this atlas is Fūlād Shahr (17 km away). In September its highs average 31.0°C, about as warm as Najafābād, with almost no rain (under 1 mm).

Among the 128 cities listed in Iran, Najafābād ranks joint 47th of 128 for the warmest September highs and joint 40th of 128 for the driest September (rainfall, lowest first). The mean September high of those 128 cities is 31.0°C; Najafābād is 0.2°C warmer than that mean.

From September to October, average highs fall by 6.8°C to 24.4°C, and monthly rainfall rises from under 1 mm to 7.2 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. -10-50510152025303540 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

Najafābād climate table

1991–2020
Monthly climate averages for Najafābād, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 8.2°C-5.2°C-5.2°C214.410.310 h
February 11.9°C-2.9°C-2.9°C204.111.011 h
March 16.9°C1.0°C1.0°C225.112.012 h
April 22.9°C6.9°C6.9°C175.213.013 h
May 28.7°C12.2°C12.2°C144.013.814 h
June 34.3°C18.0°C18.0°C2.00.614.314 h
July 36.7°C21.7°C21.7°C0.50.114.114 h
August 35.4°C20.5°C20.5°C0.20.113.413 h
September, selected 31.3°C15.2°C15.2°C0.80.312.412 h
October 24.4°C8.9°C8.9°C7.22.411.411 h
November 15.9°C2.2°C2.2°C203.510.511 h
December 10.4°C-2.7°C-2.7°C194.110.010 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 Najafābād

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