Climate averages 1991–2020

Lucknow weather
in September.

A hot, wet month: the 6th warmest and the 10th 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 24.6°C Night-time mean, September
Rainfall 156 mm 16 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Lucknow · average highYear overview

September is a hot month in Lucknow: daytime highs average 31.3°C and nights cool to about 24.6°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 156 mm of rain on roughly 16 days, which makes September a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 20 min on an average September day.

The nearest other city in this atlas is Nawābganj, India (29 km away). In September its highs average 31.1°C, about as warm as Lucknow, with 166 mm of rain.

Among the 692 cities listed in India, Lucknow ranks joint 232nd of 692 for the warmest September highs and joint 389th of 692 for the driest September (rainfall, lowest first). The mean September high of those 692 cities is 30.7°C; Lucknow is 0.6°C warmer than that mean.

From September to October, average highs fall by 0.3°C to 31.0°C, and monthly rainfall falls from 156 mm to 33 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. 51015202530354045 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 3000

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

Every month, side by side

Lucknow climate table

1991–2020
Monthly climate averages for Lucknow, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 21.3°C9.3°C9.3°C222.610.711 h
February 25.0°C12.3°C12.3°C222.711.211 h
March 31.1°C17.0°C17.0°C152.312.012 h
April 37.3°C22.5°C22.5°C8.42.312.813 h
May 39.4°C26.3°C26.3°C163.913.513 h
June 37.2°C27.8°C27.8°C12411.513.814 h
July 32.4°C26.4°C26.4°C29824.513.714 h
August 31.5°C25.9°C25.9°C25524.813.113 h
September, selected 31.3°C24.6°C24.6°C15615.712.312 h
October 31.0°C20.1°C20.1°C332.811.512 h
November 27.6°C15.0°C15.0°C2.20.610.911 h
December 23.0°C10.6°C10.6°C9.20.910.510 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 Lucknow

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