Climate averages 1991–2020

Vinh weather
in September.

A hot, very wet month: the 5th warmest and the wettest of the year.

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

Average high 29.9°C Daytime mean, September
Average low 25.0°C Night-time mean, September
Rainfall 330 mm 19 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Vinh · average highYear overview

September is a hot month in Vinh: daytime highs average 29.9°C and nights cool to about 25.0°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 330 mm of rain on roughly 19 days, which makes September a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 16 min on an average September day.

The nearest other city in this atlas is Hà Tĩnh (43 km away). In September its highs average 29.3°C, 0.6°C cooler than Vinh, with 391 mm of rain.

Among the 136 cities listed in Vietnam, Vinh ranks joint 75th of 136 for the warmest September highs and 123rd of 136 for the driest September (rainfall, lowest first). The mean September high of those 136 cities is 29.7°C; Vinh is 0.2°C warmer than that mean.

From September to October, average highs fall by 2.6°C to 27.2°C, and monthly rainfall falls from 330 mm to 329 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. 10152025303540 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 3500

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

Every month, side by side

Vinh climate table

1991–2020
Monthly climate averages for Vinh, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 20.6°C16.0°C16.0°C306.111.111 h
February 22.4°C17.3°C17.3°C205.011.512 h
March 25.6°C19.9°C19.9°C376.412.012 h
April 29.6°C22.9°C22.9°C416.712.613 h
May 32.1°C25.4°C25.4°C9911.313.013 h
June 33.9°C27.2°C27.2°C1059.613.213 h
July 33.5°C27.2°C27.2°C14911.813.113 h
August 31.9°C26.4°C26.4°C22217.812.813 h
September, selected 29.9°C25.0°C25.0°C33019.112.312 h
October 27.2°C22.8°C22.8°C32918.811.712 h
November 24.7°C20.0°C20.0°C10012.511.311 h
December 21.2°C16.9°C16.9°C478.211.011 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 Vinh

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