Karuri weather in September

In September, Karuri has daytime highs averaging 22 °C, nights around 12 °C, with 4.5 wet days. Figures are 1991–2020 climate normals.

  1. Jan 18°
  2. Feb 19°
  3. Mar 19°
  4. Apr 18°
  5. May 17°
  6. Jun 16°
  7. Jul 15°
  8. Aug 15°
  9. Sep 17°
  10. Oct 17°
  11. Nov 17°
  12. Dec 17°

Daily temperatures through September

9° 18° 26° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 23.3 °C and lows bottom out at 11.2 °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 20.9 °C 11.3 °C 17 %
11–20 September 22.2 °C 11.6 °C 13 %
21–30 September 22.9 °C 11.9 °C 14 %
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 4, at 30 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical September Share of the month
Days above 25 °C 1.0 of 30 3 %
Days above 30 °C 0 of 30 0 %
Days below 0 °C 0 of 30 0 %
Days with more than 1 mm rain 4.5 of 30 15 %

Conditions in September

MeasureAverage
Mean temperature 17 °C
Record high (1991–2020) 26 °C
Record low (1991–2020) 8.3 °C
Relative humidity 66 %
Wind speed 14 km/h
Cloud cover 63 %

September compared with the months around it

Month Avg high Rainfall Cloud
July 19.7 °C 18 mm 77 %
August 20.2 °C 27 mm 75 %
September 22.0 °C 24 mm 63 %
October 22.8 °C 58 mm 68 %
November 21.2 °C 98 mm 77 %

See all twelve months for Karuri

QuestionsSeptember in Karuri, answered

How warm is Karuri in September?

Daily highs average 22 °C and nights fall to about 12 °C, a spread of 10 °C between afternoon and dawn. That makes September the 8th warmest month of the year here.

Does it rain much in Karuri in September?

September averages 24 mm of rain, spread over about 4 of the 30 days — 15 % of the month. Cloud cover averages 63 % of the sky.

How long are the days in September?

Karuri 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.