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Porto Santo Weather in September
Porto Santo in September sees high daytime temperatures of 24°C (75°F) and nighttime lows of 22°C (72°F). Low rainfall is typical, with around 19 mm (0.7 in) for the month.
Rainfall in Porto Santo in September
This month experiences about 6 days of rain according to historical data, averaging 19 mm (0.7 in). When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in Porto Santo in September
Porto Santo in September has excellent weather. Days reach 24°C (75°F) and nights cool to 22°C (72°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing. On average, it sees the highest temps of the year.
Sunshine in Porto Santo in September
The city usually sees around 205 hours of sunlight, indicating many sunny days , a great month for sightseeing.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Porto Santo Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
24°C (75°F)
Chance of Rain
21%
Precipitation
19 mm (0.7 in)
Rainy days
6 days
Humidity
78%
Sunshine
205 hours
Percentage Sunshine
Porto Santo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Porto Santo - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Porto Santo typically stay consistent throughout September, with daily highs averaging around 24°C (75°F). Nights are warm, with lows around 20°C (68°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Porto Santo in September
Browse day-by-day weather records for Porto Santo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Porto Santo historical weather extremes in September
Based on 50 years of weather observations in Porto Santo between 1976 and 2026, these are the recorded extremes.
- The hottest September day on record in Porto Santo reached 37°C (99°F) (September 9, 1988).
- The lowest daytime temperature in September was 20°C (68°F), recorded on September 29, 1980.
- The lowest overnight temperature recorded in September was 14°C (57°F) (September 8, 1995).
Best Places in Madeira in September
Find out more about the weather in Madeira and which places have the best travel conditions in this month. See all of Madeira in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Porto Santo in September
For Porto Santo in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Almost no rain is expected, so no need to bring rain gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Porto Santo in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping10/10 -
Outdoor sports10/10
Porto Santo 3-Day Forecast
More climate data for Porto Santo
Temperature Rainfall Sunshine Humidity
See the full Porto Santo climate overview or explore weather in Madeira.
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Where to go in September - average daytime high across popular destinations.
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