Zliten weather in September

In September, Zliten has daytime highs averaging 32 °C, nights around 22 °C, with 1.4 wet days, and a sea temperature of 27 °C. Figures are 1991–2020 climate normals.

  1. Jan 13°
  2. Feb 14°
  3. Mar 16°
  4. Apr 19°
  5. May 22°
  6. Jun 25°
  7. Jul 27°
  8. Aug 28°
  9. Sep 27°
  10. Oct 23°
  11. Nov 19°
  12. Dec 15°

Daily temperatures through September

18° 28° 37° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 34.0 °C and lows bottom out at 21.0 °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 33.1 °C 23.1 °C 3 %
11–20 September 32.1 °C 22.2 °C 4 %
21–30 September 30.5 °C 21.7 °C 7 %
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 15, at 17 %. 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 98 %
Days above 30 °C 19 of 30 65 %
Days below 0 °C 0 of 30 0 %
Days with more than 1 mm rain 1.4 of 30 5 %

Conditions in September

MeasureAverage
Mean temperature 27 °C
Record high (1991–2020) 44 °C
Record low (1991–2020) 17 °C
Relative humidity 64 %
Wind speed 21 km/h
Cloud cover 21 %

Where Zliten ranks in September

Ranking Position Value
Warmest sea temperatures in Africa in September 31st of 50 27 °C
Best beach destinations in Africa in September 49th of 50 90/100

September compared with the months around it

Month Avg high Rainfall Cloud
July 33.1 °C under 1 mm 7 %
August 33.5 °C 1 mm 10 %
September 31.9 °C 10 mm 21 %
October 28.3 °C 17 mm 36 %
November 22.9 °C 17 mm 39 %

See all twelve months for Zliten

QuestionsSeptember in Zliten, answered

How warm is Zliten in September?

Daily highs average 32 °C and nights fall to about 22 °C, a spread of 9.5 °C between afternoon and dawn. That makes September the 3rd warmest month of the year here.

Does it rain much in Zliten in September?

September averages 10 mm of rain, spread over about 1 of the 30 days — 5 % of the month. Cloud cover averages 21 % of the sky.

Is the sea warm enough to swim in September?

The sea averages 27 °C off Zliten in September. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in September?

Zliten 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.