Climate averages 1991–2020

Hương Thủy weather
in September.

A hot, very wet month: the 6th warmest and the 11th driest of the year.

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

Average high 29.7°C Daytime mean, September

Average low 24.6°C Night-time mean, September

Rainfall 305 mm 19 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

September is a hot month in Hương Thủy: daytime highs average 29.7°C and nights cool to about 24.6°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 305 mm of rain on roughly 19 days, which makes September a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 14 min on an average September day.

The nearest other city in this atlas is Huế (7 km away). In September its highs average 29.5°C, about as warm as Hương Thủy, with 344 mm of rain.

Among the 136 cities listed in Vietnam, Hương Thủy ranks joint 93rd of 136 for the warmest September highs and 115th of 136 for the driest September (rainfall, lowest first). The mean September high of those 136 cities is 29.7°C; Hương Thủy is level with that mean.

From September to October, average highs fall by 2.3°C to 27.3°C, and monthly rainfall rises from 305 mm to 341 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

Hương Thủy climate table

1991–2020

Monthly climate averages for Hương Thủy, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	23.5°C18.8°C	18.8°C	130	14.6	11.311 h
February	25.1°C19.6°C	19.6°C	70	10.1	11.612 h
March	28.0°C21.6°C	21.6°C	71	7.8	12.012 h
April	30.5°C23.7°C	23.7°C	64	6.9	12.512 h
May	31.6°C25.1°C	25.1°C	87	10.7	12.913 h
June	32.6°C25.9°C	25.9°C	50	8.4	13.113 h
July	32.4°C25.8°C	25.8°C	72	10.9	13.013 h
August	31.8°C25.6°C	25.6°C	108	13.0	12.713 h
September, selected	29.7°C24.6°C	24.6°C	305	19.4	12.212 h
October	27.3°C23.2°C	23.2°C	341	22.7	11.812 h
November	25.7°C21.7°C	21.7°C	303	20.4	11.411 h
December	23.4°C19.7°C	19.7°C	233	20.4	11.211 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 Hương Thủy

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