Climate averages 1991–2020

Contai weather
in September.

A hot, very wet month: the joint 6th warmest and the 10th driest of the year.

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

Average high 30.2°C Daytime mean, September

Average low 26.0°C Night-time mean, September

Rainfall 263 mm 24 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

September is a hot month in Contai: daytime highs average 30.2°C and nights cool to about 26.0°C. By daytime temperature it is the joint 6th warmest of the 12 months.

Expect about 263 mm of rain on roughly 24 days, which makes September a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 17 min on an average September day.

The nearest other city in this atlas is Haldia (49 km away). In September its highs average 30.4°C, about as warm as Contai, with 261 mm of rain.

Among the 692 cities listed in India, Contai ranks joint 457th of 692 for the warmest September highs and 653rd of 692 for the driest September (rainfall, lowest first). The mean September high of those 692 cities is 30.7°C; Contai is 0.5°C cooler than that mean.

From September to October, average highs fall by 0.4°C to 29.8°C, and monthly rainfall falls from 263 mm to 158 mm.

The annual picture

September in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

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

Every month, side by side

Contai climate table

1991–2020

Monthly climate averages for Contai, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	25.3°C14.9°C	14.9°C	12	1.6	11.011 h
February	28.4°C18.5°C	18.5°C	18	2.5	11.411 h
March	32.3°C23.3°C	23.3°C	22	2.8	12.012 h
April	34.1°C26.4°C	26.4°C	41	5.1	12.613 h
May	34.2°C27.8°C	27.8°C	93	7.5	13.213 h
June	32.3°C27.7°C	27.7°C	256	19.4	13.413 h
July	30.5°C26.7°C	26.7°C	335	27.4	13.313 h
August	30.2°C26.3°C	26.3°C	338	28.0	12.913 h
September, selected	30.2°C26.0°C	26.0°C	263	23.5	12.312 h
October	29.8°C23.9°C	23.9°C	158	13.2	11.712 h
November	28.2°C19.7°C	19.7°C	43	2.7	11.111 h
December	25.9°C15.7°C	15.7°C	9.9	0.9	10.811 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 Contai

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