Ponta Delgada weather in September
September in Ponta Delgada: nice, a little rain, with clean air — an excellent time to visit.
#3 of 12 months in Ponta Delgada · #422 of 897 destinations to visit in September · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Ponta Delgada in September
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Ponta Delgada climate normals — September
| Daytime high | 23°C / 74°F | 😎 nice |
|---|---|---|
| Nighttime low | 21°C / 69°F | |
| Rainfall | 56 mm / 2.2 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 18°C / 65°F | |
| Sunshine | 10.8 h/day | |
| Daylight | 12.4 h | |
| Wind | 26 km/h / 16 mph | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Ponta Delgada in September — FAQ
- Is September a good time to visit Ponta Delgada?
- September in Ponta Delgada: nice, a little rain, with clean air — an excellent time to visit. It ranks #3 of 12 months for Ponta Delgada on SeasonMap's comfort score (84/100).
- What is the weather like in Ponta Delgada in September?
- In September, Ponta Delgada averages a daily high of 23.3°C and a low of 20.6°C, with about 56.1 mm of rain over roughly 11.2 rainy days.
- What is the air quality in Ponta Delgada in September?
- Ponta Delgada has a mean US Air Quality Index of about 44 in September.