Climate averages 1991–2020

Thị Trấn Đại Từ weather
in September.

A hot, very wet month: the 5th warmest and the 8th driest of the year.

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

Average high 30.5°C Daytime mean, September

Average low 24.2°C Night-time mean, September

Rainfall 206 mm 18 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

September is a hot month in Thị Trấn Đại Từ: daytime highs average 30.5°C and nights cool to about 24.2°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 206 mm of rain on roughly 18 days, which makes September a very wet month (the 8th 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 Thái Nguyên (22 km away). In September its highs average 30.2°C, about as warm as Thị Trấn Đại Từ, with 227 mm of rain.

Among the 136 cities listed in Vietnam, Thị Trấn Đại Từ ranks joint 12th of 136 for the warmest September highs and 18th of 136 for the driest September (rainfall, lowest first). The mean September high of those 136 cities is 29.7°C; Thị Trấn Đại Từ is 0.8°C warmer than that mean.

From September to October, average highs fall by 2.1°C to 28.3°C, and monthly rainfall falls from 206 mm to 90 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

Thị Trấn Đại Từ climate table

1991–2020

Monthly climate averages for Thị Trấn Đại Từ, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	19.5°C14.2°C	14.2°C	49	10.8	11.011 h
February	21.7°C15.8°C	15.8°C	38	10.1	11.411 h
March	25.0°C18.8°C	18.8°C	71	12.8	12.012 h
April	28.9°C22.1°C	22.1°C	111	13.5	12.613 h
May	31.0°C24.4°C	24.4°C	260	19.8	13.213 h
June	32.1°C25.8°C	25.8°C	363	22.4	13.413 h
July	31.9°C25.9°C	25.9°C	352	24.9	13.313 h
August	31.5°C25.5°C	25.5°C	343	25.2	12.913 h
September, selected	30.5°C24.2°C	24.2°C	206	17.8	12.312 h
October	28.3°C21.7°C	21.7°C	90	11.0	11.712 h
November	25.1°C18.3°C	18.3°C	58	7.9	11.111 h
December	21.1°C14.6°C	14.6°C	38	8.0	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 Thị Trấn Đại Từ

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 Thị Trấn Đại Từ) is explained once on the Thị Trấn Đại Từ year overview and on the Sources, method and limits page.