Weather in Ponta Delgada in September 2025
- September is usually the driest month of the year in Ponta Delgada
Average weather
Average temperature in Ponta Delgada in September
Going from a maximum of +24°C during the day to a minimum of +20°C during the night, the temperature in September averages around +23°C.
The average maximum temperature goes down 25% by the end of the month, compared with the beginning of the month, from +24°C to +23°C.
Is Ponta Delgada warm or cold in September?
Ponta Delgada is typically warm in September.
Maximum temperatures go down compared to the previous month from +24°C to +23°C. The minimum temperature also goes down from +22°C to +21°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in Ponta Delgada, here is the comparison with other months:
Water temperature in Ponta Delgada in September
Water in Ponta Delgada in September is Comfortable. It varies from +22°C to +25°C, with an average of +23°C. Note that the air temperature is lower than the water temperature, averaging around +23°C.
The water temperature in September is one of the warmest of the entire year:
Can you swim in Ponta Delgada in September?
Climate in Ponta Delgada in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +24°C | +23°C | +21°C | ||||
| Min. temperature | ||||||
| +17°C | +14°C | +13°C | ||||
| Max. temperature | ||||||
| +28°C | +28°C | +25°C | ||||
| Rainfall | ||||||
| 29 mm | 53 mm | 88 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 4 m/s | ||||
| Avg. water temperature | ||||||
| +23°C | +23°C | +21°C | ||||
| Humidity | ||||||
| 79% | 78% | 78% | ||||
| Air pressure | ||||||
| 1021 HPa | 1019 HPa | 1018 HPa | ||||
| Sunny days | ||||||
| 5 | 3 | 2 | ||||
| Cloudy days | ||||||
| 14 | 12 | 11 | ||||
| Rainy days | ||||||
| 12 | 14 | 18 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +24°C in the day, the average maximum temperature lowers to +23°C. Prepare for more rain. Average rainfall goes from 29 mm to 53 mm. It feels drier, as humidity decreases from 79% to 78%. The average wind speed doesn’t change much during September, staying around 3 m/s. The days becoming less sunny, going from 5 sunny days in August to 3 in September.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Ponta Delgada is gradually increasing during September, going from 2 m/s to 4 m/s over the course of the month.
Rain
How was the weather last September in Ponta Delgada?
Climate Change over Years
The climate in Ponta Delgada in September has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+18°C) and the highest in 1998 (+20°C). The driest year was 1984 with only 426 mm of rainfall, and the wettest year was 2022 with 1852 mm.
FAQ
Is September a good time to visit Ponta Delgada?
Can you sunbathe in Ponta Delgada in September?
Can you swim in Ponta Delgada in September?
Is Ponta Delgada rainy in September?
Is it sunny in Ponta Delgada in September?
Other cities in Portugal
Monthly weather in Ponta Delgada
Source of the data
For this page, we’ve looked at the typical weather in Ponta Delgada, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.