Luzhou weather in September

In September, Luzhou has daytime highs averaging 27 °C, nights around 21 °C, with 15 wet days. Figures are 1991–2020 climate normals.

  1. Jan 8°
  2. Feb 11°
  3. Mar 14°
  4. Apr 19°
  5. May 23°
  6. Jun 25°
  7. Jul 28°
  8. Aug 28°
  9. Sep 24°
  10. Oct 19°
  11. Nov 14°
  12. Dec 10°

Daily temperatures through September

17° 25° 33° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 30.1 °C and lows bottom out at 19.2 °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.

Days Avg high Avg low Chance of rain
1–10 September 29.2 °C 22.2 °C 51 %
11–20 September 27.2 °C 20.7 °C 48 %
21–30 September 25.7 °C 19.6 °C 47 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in September. Wettest date over the 30 years: September 9, at 70 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical September Share of the month
Days above 25 °C 20 of 30 68 %
Days above 30 °C 8.1 of 30 27 %
Days below 0 °C 0 of 30 0 %
Days with more than 1 mm rain 15 of 30 49 %

Conditions in September

MeasureAverage
Mean temperature 24 °C
Record high (1991–2020) 41 °C
Record low (1991–2020) 13 °C
Relative humidity 79 %
Wind speed 9.7 km/h
Cloud cover 70 %

September compared with the months around it

Month Avg high Rainfall Cloud
July 31.7 °C 190 mm 75 %
August 31.6 °C 172 mm 69 %
September 27.3 °C 129 mm 70 %
October 21.6 °C 88 mm 79 %
November 17.3 °C 54 mm 75 %

See all twelve months for Luzhou

QuestionsSeptember in Luzhou, answered

How warm is Luzhou in September?

Daily highs average 27 °C and nights fall to about 21 °C, a spread of 6.5 °C between afternoon and dawn. That makes September the 4th warmest month of the year here.

Does it rain much in Luzhou in September?

September averages 129 mm of rain, spread over about 15 of the 30 days — 49 % of the month. Cloud cover averages 70 % of the sky.

How long are the days in September?

Luzhou 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.