Climate averages 1991–2020

Tam Kỳ weather
in September.

A hot, very wet month: the 5th warmest and the 9th 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 25.4°C Night-time mean, September

Rainfall 310 mm 24 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

September is a hot month in Tam Kỳ: daytime highs average 29.7°C and nights cool to about 25.4°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 310 mm of rain on roughly 24 days, which makes September a very wet month (the 9th 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 Điện Bàn (42 km away). In September its highs average 30.2°C, about as warm as Tam Kỳ, with 289 mm of rain.

Among the 136 cities listed in Vietnam, Tam Kỳ ranks joint 93rd of 136 for the warmest September highs and 116th of 136 for the driest September (rainfall, lowest first). The mean September high of those 136 cities is 29.7°C; Tam Kỳ is level with that mean.

From September to October, average highs fall by 2.4°C to 27.3°C, and monthly rainfall rises from 310 mm to 480 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

Tam Kỳ climate table

1991–2020

Monthly climate averages for Tam Kỳ, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	23.5°C20.3°C	20.3°C	199	18.4	11.311 h
February	24.5°C20.7°C	20.7°C	107	11.9	11.612 h
March	26.6°C22.2°C	22.2°C	93	9.4	12.012 h
April	28.8°C24.1°C	24.1°C	78	9.4	12.512 h
May	30.5°C25.7°C	25.7°C	114	17.2	12.813 h
June	31.9°C26.5°C	26.5°C	112	19.8	13.013 h
July	31.8°C26.5°C	26.5°C	126	20.8	13.013 h
August	31.6°C26.4°C	26.4°C	153	21.6	12.613 h
September, selected	29.7°C25.4°C	25.4°C	310	24.3	12.212 h
October	27.3°C24.0°C	24.0°C	480	25.2	11.812 h
November	25.8°C22.9°C	22.9°C	561	23.7	11.411 h
December	23.8°C21.2°C	21.2°C	454	24.6	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 Tam Kỳ

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