Weather in Algarve in September
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for September in Algarve.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youAlgarve in September is warm — daytime temperatures average 26.0°C, dropping to 18.7°C at night. The month is mostly dry with only occasional showers, with roughly 11.0 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal. For the complete picture, see the best time to visit Algarve — every month compared. Once you know when to go, find your Algarve packing list at 247PackingList.
Get ready for Algarve in September
Search flights to Algarve
Compare 100+ airlines for September — one search, best price.
Search Flights →Hot-weather travel clothing
Sun protection, lightweight layers and a reusable water bottle are essential here.
Check Price →What to pack for Algarve in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
Compare all months in Algarve
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 15.9°C | 27.7mm | 10/10 |
| February | 17.6°C | 36.7mm | 10/10 |
| March | 18.6°C | 59.3mm | 10/10 |
| April | 20.5°C | 49.4mm | 10/10 |
| May | 24.1°C | 26.3mm | 10/10 |
| June | 26.2°C | 12.5mm | 10/10 |
| July | 30.3°C | 0.1mm | 10/10 |
| August | 29.6°C | 0.2mm | 10/10 |
| September | 26.0°C | 26.4mm | 10/10 |
| October | 24.0°C | 70.3mm | 10/10 |
| November | 19.7°C | 49.1mm | 10/10 |
| December | 17.4°C | 79.1mm | 10/10 |
Full month-by-month guide: best time to visit Algarve →
For facts about Portugal — currency, language and dialling code — see our Portugal country guide at 247CountryInfo. Travellers also find it useful to keep a Algarve travel guide to hand. Check clothing sizes in Portugal before you shop.
Frequently Asked Questions
Is September a good time to visit Algarve?
September rates 10/10 for visiting Algarve — excellent time to visit. Expect average highs of 26.0°C, 26.4mm of rain across the month and about 11.0 hours of daily sunshine.
What is the temperature in Algarve in September?
In September, Algarve has average highs of 26.0°C (78.8°F) and average lows of 18.7°C (65.7°F).
Does it rain in Algarve in September?
Not much. September averages just 26.4mm of rain in Algarve — the odd shower is possible but most days stay dry.
What should I wear in Algarve in September?
For Algarve in September (26.0°C highs / 18.7°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts.
More essentials for Algarve in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.