Climate averages 1991–2020

Ooty weather
in September.

A mild, wet month: the joint 6th warmest and the 7th driest of the year.

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

Average high 19.9°C Daytime mean, September
Average low 13.1°C Night-time mean, September
Rainfall 145 mm 21 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Ooty · average highYear overview

September is a mild month in Ooty: daytime highs average 19.9°C and nights cool to about 13.1°C. By daytime temperature it is the joint 6th warmest of the 12 months.

Expect about 145 mm of rain on roughly 21 days, which makes September a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 12 min on an average September day.

The nearest other city in this atlas is Idaiyarpālaiyam (48 km away). In September its highs average 28.4°C, 8.6°C warmer than Ooty, with 84 mm of rain.

Among the 692 cities listed in India, Ooty ranks 691st of 692 for the warmest September highs and joint 348th of 692 for the driest September (rainfall, lowest first). The mean September high of those 692 cities is 30.7°C; Ooty is 10.8°C cooler than that mean.

From September to October, average highs fall by 0.4°C to 19.5°C, and monthly rainfall rises from 145 mm to 196 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. 510152025 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

Ooty climate table

1991–2020
Monthly climate averages for Ooty, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 19.9°C10.1°C10.1°C204.811.512 h
February 20.9°C10.5°C10.5°C245.011.812 h
March 22.4°C12.1°C12.1°C447.512.112 h
April 22.8°C13.7°C13.7°C8515.012.412 h
May 22.3°C14.5°C14.5°C16123.212.613 h
June 20.2°C14.2°C14.2°C20523.712.813 h
July 19.2°C13.6°C13.6°C20224.712.713 h
August 19.4°C13.3°C13.3°C17922.912.512 h
September, selected 19.9°C13.1°C13.1°C14520.812.212 h
October 19.5°C12.8°C12.8°C19622.111.912 h
November 19.0°C12.1°C12.1°C13416.311.612 h
December 19.2°C11.0°C11.0°C588.311.511 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 Ooty

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