Terceira weather in September 2025

Expect 22°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Terceira in September. Check more long-term weather averages for Terceira in September before you book your next holiday to Azores in 2025/2026.

  • 22°C maximum daytime temperature in September in Terceira22
    22°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in September in Terceira14
    14 days with some rainfall
  • 16°C minimum night-time temperature in September in Terceira16
    16°C min night temperature
  • 12 hours of daylight per day in September in Terceira12
    12 hours of daylight per day
  • No heat & humidity in September in Terceira0
    No heat & humidity
  • 78 mm monthly rainfall in September in Terceira78
    78 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Terceira7
    7 (High) UV index
  • 22°C sea temperature in September in Terceira22
    22°C sea temperature

More about the Terceira

Terceira by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for the Azores

Marella Cruises: up to 5% off ocean cruises

  • Book online & save up to 5% on Marella Cruises
  • Discount varies by season. Book online with TUI
  • Destinations across the Med, Caribbean & USA
Go to Marella Cruises deal >>

View all Marella Cruises offers

Marella CruisesCruise deal finder

The September weather guide for Azores (Terceira) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Portugal

How hot is it in Terceira in September?

Daytime temperatures usually reach 22°C in Terceira in September, falling to 16°C at night.

How sunny is it in Terceira in September?

There are normally 6 hours of bright sunshine each day in Terceira in September - that's 48% of daylight hours.

How warm is the sea around Terceira in September?

The average sea temperature around Terceira in September is 22°C.

Does it rain in Terceira in September?

There are usually 14 days with some rain in Terceira in September and the average monthly rainfall is 78mm.

What is the chance of a hurricane in Terceira in September?

On average less than 1 day in September in Terceira is likely to be affected by the passage of one or more tropical storms.

Terceira September sunrise & sunset times

Browse the sunrise and sunset times for Terceira in September 2025. Select a month to view Terceira sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:18 19:19
Monday, 15th September 2025 06:31 18:57
Tuesday, 30th September 2025 06:44 18:33

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^