Climate averages 1991–2020

Mojokerto weather
in September.

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

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

Average high 34.0°C Daytime mean, September
Average low 22.3°C Night-time mean, September
Rainfall 31 mm 5 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Mojokerto · average highYear overview

September is a very hot month in Mojokerto: daytime highs average 34.0°C and nights cool to about 22.3°C. By daytime temperature it is the warmest month of the year.

Expect about 31 mm of rain on roughly 5 days, which makes September a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 03 min on an average September day.

The nearest other city in this atlas is Jombang (24 km away). In September its highs average 32.8°C, 1.2°C cooler than Mojokerto, with 23 mm of rain.

Among the 200 cities listed in Indonesia, Mojokerto ranks 2nd of 200 for the warmest September highs and 36th of 200 for the driest September (rainfall, lowest first). The mean September high of those 200 cities is 30.1°C; Mojokerto is 3.9°C warmer than that mean.

From September to October, average highs fall by 0.1°C to 33.9°C, and monthly rainfall rises from 31 mm to 110 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 5500

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

Every month, side by side

Mojokerto climate table

1991–2020
Monthly climate averages for Mojokerto, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 29.8°C23.0°C23.0°C51729.512.513 h
February 29.7°C22.8°C22.8°C50627.712.312 h
March 30.1°C22.8°C22.8°C46329.312.112 h
April 30.4°C22.8°C22.8°C27924.411.912 h
May 31.0°C22.5°C22.5°C10915.411.812 h
June 31.1°C21.8°C21.8°C569.611.712 h
July 31.7°C21.2°C21.2°C295.711.712 h
August 32.8°C21.3°C21.3°C143.611.912 h
September, selected 34.0°C22.3°C22.3°C314.712.112 h
October 33.9°C23.2°C23.2°C11012.212.312 h
November 32.1°C23.6°C23.6°C28322.212.412 h
December 30.4°C23.2°C23.2°C44728.412.513 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 Mojokerto

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