Algarve · September
Best travel monthTravel seasonPortugal · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 17° (63°)12– (54–)19 (66) | 17° (63°)13– (55–)20 (68) | 19° (66°)14– (57–)23 (73) | 21° (70°)16– (61–)26 (79) | 24° (75°)18– (64–)31 (88) | 26° (79°)20– (68–)33 (91) | 29° (84°)23– (73–)35 (95) | 29° (84°)23– (73–)36 (97) | 26° (79°)22– (72–)30 (86) | 24° (75°)19– (66–)28 (82) | 20° (68°)15– (59–)23 (73) | 17° (63°)13– (55–)21 (70) |
Ø night, range from coldest to warmest nightØ nightrange | 9° (48°)4– (39–)14 (57) | 10° (50°)5– (41–)14 (57) | 12° (54°)6– (43–)15 (59) | 14° (57°)8– (46–)17 (63) | 16° (61°)11– (52–)20 (68) | 19° (66°)14– (57–)23 (73) | 21° (70°)16– (61–)24 (75) | 21° (70°)17– (63–)25 (77) | 20° (68°)15– (59–)22 (72) | 17° (63°)12– (54–)21 (70) | 13° (55°)7– (45–)18 (64) | 11° (52°)5– (41–)16 (61) |
☀️Sunshine | 7h | 8h | 9h | 10h | 12h | 13h | 13h | 12h | 10h | 8h | 7h | 6h |
🌊Water Temp | 16° (61°) | 16° (61°) | 16° (61°) | 17° (63°) | 18° (64°) | 19° (66°) | 20° (68°) | 20° (68°) | 20° (68°) | 20° (68°) | 18° (64°) | 17° (63°) |
🌧Rain Days | 4d33mm (1.3") | 4d37mm (1.5") | 5d48mm (1.9") | 4d42mm (1.6") | 2d22mm (0.9") | 0d5mm (0.2") | 0d1mm (<0.1") | 0d4mm (0.2") | 1d14mm (0.6") | 4d52mm (2.1") | 5d77mm (3.0") | 4d53mm (2.1") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
September is among the best months in Algarve: only 1 rain day, 26°C (79°F) highs, and good sunshine make for ideal holiday conditions.
Daytime highs average 26°C (79°F), cooling to 20°C (68°F) at night (daily average: 23°C (73°F)). Peaks reach around 30°C (86°F), the coldest nights around 15°C (59°F). With 10 sunshine hours per day, September is one of the sunniest months — 14 mm (0.6 in) of rain over 1 day. The sea is 20°C (68°F) — refreshing and manageable for confident swimmers.
Summer clothing and a light jacket for evenings is enough. Conditions are ideal for excursions, hikes, and sightseeing.
Full swing: in summer the Algarve is Portugal's most-visited destination. Sagres, Lagos and Albufeira are booked out, the rock formations of Ponta da Piedade overwhelming — getting up early pays off. Surfers head to the Atlantic side at Sagres.
Packing list for Algarve in September
- T-shirts and shorts
- Swimwear (the water is still a little fresh)
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Algarve?
- Yes — September is one of the best months to visit Algarve (Climate Score: 84/100). Pleasant temperatures (26°C (79°F)), good sunshine (10 h/day), and few rain days (1) make it one of the most recommended months.
- How warm is it in Algarve in September?
- In September, Algarve sees daily highs of 26°C (79°F). Nights cool to 20°C (68°F), with a daily average of 23°C (73°F). Peaks reach around 30°C (86°F), the coldest nights around 15°C (59°F).
- How much rain falls in Algarve in September?
- In September, Algarve receives an average of 14 mm (0.6 in) of rain over 1 rain day. That is comparatively dry.
- How many sunshine hours does Algarve get in September?
- Algarve averages 10 sunshine hours per day in September — close to the annual average.
- How warm is the water in Algarve in September?
- Water temperature in Algarve in September averages 20°C (68°F) — refreshing but slightly cool for sensitive swimmers.
