Algarve in September
Warm sea, more space
By Daan · Last reviewed October 2026
The short answer
September is the best month to visit Algarve.
September has the warmest sea and calmer beaches once the holidays end.
September in detail
What September actually feels like
- Weather
- 18–26°C
- Warm and sunny.
- Crowds
- Moderate–High
- Busy early, calmer later.
- Prices
- €€€
- Rates fall through the month.
+The warmest sea.
–Busy early in the month.
My tip for September
Late September is ideal for beach days.
- Beach
- Boat trips
How September compares
Against the other eleven months
1st of 12 overall in Algarve, 1st for weather, 9th for space, 9th for value. The emptiest month is January; the best value is January.
See all twelve months for AlgarveAlso good in September
Weather
Weather in Algarve in September
In September Algarve averages a high of 26°C (79°F) and a low of 18°C (64°F), with about 22 mm of rain or snow over 2 wet days. The warmest month is July (around 29°C) and the coolest is January (around 16°C); the wettest month is December.
- Average high
- 26°C
- 79°F
- Average low
- 18°C
- 64°F
- Precipitation
- 22 mm
- Wet days
- 2
Climate data: IPMA (Faro Airport, 1991–2020). Temperatures are averages of daily highs and lows.
Quick answers
Algarve in September: the questions people ask
- Is September a good time to visit Algarve?
- September is the best month to visit Algarve. It ranks 1 of 12 months in Algarve overall (1 for weather, 9 for space, 9 for value). The main upside: The warmest sea. The main downside: Busy early in the month.
- What is the weather like in Algarve in September?
- Average highs are around 26°C and lows around 18°C. Expect about 22 mm of rain or snow over roughly 2 wet days. Warm and sunny. For comparison, the warmest month is July (around 29°C) and the coolest is January (around 16°C).
- Is Algarve crowded in September?
- Crowds are moderate–high. Busy early, calmer later. The quietest month is January.
- How expensive is Algarve in September?
- Prices are at level 3 of 5 (€€€). Rates fall through the month. The best-value month is January.
- When is the best time to visit Algarve?
- In the CrowdFreeViews month scores, June is the best month overall (this month). The quietest month is January and the best value is January.