Tân An weather in September

In September, Tân An has daytime highs averaging 30 °C, nights around 24 °C, with 28 wet days. Figures are 1991–2020 climate normals.

  1. Jan 26°
  2. Feb 27°
  3. Mar 28°
  4. Apr 29°
  5. May 28°
  6. Jun 27°
  7. Jul 27°
  8. Aug 27°
  9. Sep 26°
  10. Oct 26°
  11. Nov 26°
  12. Dec 26°

Daily temperatures through September

21°27°33°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 31.0 °C and lows bottom out at 23.7 °C.

How September develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 September30.6 °C24.2 °C92 %
11–20 September30.0 °C24.0 °C97 %
21–30 September30.3 °C24.0 °C94 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in September. Wettest date over the 30 years: September 12, at 100 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical September Share of the month
Days above 25 °C 30 of 30 100 %
Days above 30 °C 19 of 30 62 %
Days below 0 °C 0 of 30 0 %
Days with more than 1 mm rain 28 of 30 95 %

Conditions in September

MeasureAverage
Mean temperature 26 °C
Record high (1991–2020) 33 °C
Record low (1991–2020) 22 °C
Relative humidity 88 %
Wind speed 13 km/h
Cloud cover 88 %

September compared with the months around it

Month Avg high Rainfall Cloud
July 30.3 °C 249 mm 85 %
August 30.4 °C 266 mm 85 %
September 30.3 °C 310 mm 88 %
October 30.0 °C 300 mm 82 %
November 30.0 °C 139 mm 70 %

See all twelve months for Tân An

Nearby destinations in September

Destination Avg high Wet days
Tân An 30 °C 28
Mỹ Tho 30 °C 28
Cần Giuộc 30 °C 29
Ho Chi Minh City 30 °C 29
Thủ Đức 30 °C 29
Trảng Bàng 30 °C 28
Biên Hòa 30 °C 28
Trà Vinh 30 °C 28
Bến Cát 30 °C 28

QuestionsSeptember in Tân An, answered

How warm is Tân An in September?

Daily highs average 30 °C and nights fall to about 24 °C, a spread of 6.2 °C between afternoon and dawn. That makes September the 8th warmest month of the year here.

Does it rain much in Tân An in September?

September averages 310 mm of rain, spread over about 28 of the 30 days — 95 % of the month. Cloud cover averages 88 % of the sky.

How long are the days in September?

Tân An averages 12 hours between sunrise and sunset in September. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.