Climate · Lagos

Lagos in September

Warm and dry, as the days shorten.

Typical weather, averaged over 30 years

September in Lagos is warm: highs near 78°F, lows near 65°F. Rain falls on about one day a week, more often as the month goes on, and the days shorten by 51 minutes from the first week to the last.September in Lagos is warm: highs near 26°C, lows near 18°C. Rain falls on about one day a week, more often as the month goes on, and the days shorten by 51 minutes from the first week to the last.

High
78°F26°Caverage
Low
65°F18°Caverage
Wet days
1a week · 11% of days
Daylight
12h 21mon average

Is September a good time to visit Lagos?


Yes. September is one of Lagos's best months (June to September).

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How September sits in the year

week by week

Temperature

Highs near 78°F in September, against 63°F to 80°F through the year.Highs near 26°C in September, against 17°C to 27°C through the year.

Chance of a wet day

11% of days in September, against 1% to 32% through the year.

Cloud cover

33% cover in September, against 11% to 52% through the year.

Daylight

12h 21m in September, against 9h 39m to 14h 40m through the year.

Week by week, lightly smoothed, with September shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side


  1. August80°27°low 66°low 19°no wet daysRain on fewer than one day a week.
  2. September78°26°low 65°low 18°1 wet day a weekRain on about one day a week.
  3. October75°24°low 63°low 17°2 wet days a weekRain on about two days a week.

Where Lagos sits, in September

Europe/Lisbon

this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
7:16 AMsets 7:44 PM
Above the sea
10 mlow-lying
Latitude
37.1°Nnorthern hemisphere
Nearest of ours
Algarve (Faro)66 km east

The land around Lagos, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Portugal in September

high · low · wet days

Typical weather, averaged over 30 years (1995–2024), read 11 km west of Lagos. Its own grid square is mostly sea and holds only a daily average, so the page reads the nearest square with a true high and low near the town's height. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.