Weather in Funchal in September

Portugal · 20-year averages, September

Prime time. September is about as good as Funchal gets. Highs average 22.8 °C, lows 20.4 °C, and rain falls on 4 days — nothing in the month is working against you.

September ranks 4 of 12 in Funchal: past the worst of the year but short of July, which is the month to book if the dates are open.

Rain falls on only 4 days, so an itinerary with no wet-weather fallback is a reasonable risk. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average September reaches 30 °C; the day barely swings — 2.4 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest September day reached 26.1 °C and the coldest night fell to 17.8 °C.

This is the volatile part. September rainfall has ranged from 3 mm to 85 mm across the twenty years measured — a 82 mm spread around an average of 21 mm. The average is real but almost no individual September looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind is light at 14.9 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 76%, high enough to notice on the warm days without dominating them.

How September sits in the year

Temperatures hold steady either side: 23.1 °C in August, 22.8 here, 21.5 in October. Nothing about the timing within the month matters much. Rain is the thing that moves: October brings 5 days more of it, so the earlier half of a flexible trip is the safer half.

Daylight in September

12.4 hours of daylight, losing 1 hours across the month. That is between Funchal's extremes of 14.3 and 10 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 23.9 °C in September — comfortable for a proper swim. This is the warmest the water gets all year.

How busy it gets

Busy. Popular without being frantic; book the things you care about, improvise the rest.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

September in Funchal versus nearby

If Funchal is one option among several, the nearby comparison is worth making. Las Palmas de Gran Canaria is close enough to be a coin toss — within a degree on temperature, 2 days less rain. Agadir is the weaker option in September — 11.2 °C warmer, 2 days less rain.

So: September is effectively as good as it gets here — 4 points behind July, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Funchal

MonthHigh °CLow °CRain daysRain mmHumidity %Daylight hSea °CScore
January16.514.7 7377810.219.176
February16.114.1 845771118.473
March16.514.3 9447811.918.273
April17.114.8 729771318.680
May18.516.1 4207713.819.589
June20.618 2107814.321.197
July22.119.4 157914.122.398
August23.120.5 287813.423.397
September22.820.4 4217612.423.994
October21.519.4 9417711.423.284
November19.117.3 9517610.521.781
December17.515.8 1053781020.275

See all twelve months in Funchal, or where else to go in September.

Planning the rest of the trip

Built and maintained by Amit Sharma, Auckland, New Zealand. I build these sites so the answer is free and the data is public.

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