Weather in Portimão for September 2027
In general, the average temperature in Portimão at the beginning of September is 27.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 25.7 °C by the end of September.
Precipitation in Portimão during September is a rare event, with an average of fewer than 2 rainy days.
Is September a good time to visit Portimão? check out the best time to travel to Portimão page.
✨ Is September a good time to visit Portimão? – Ask the AI Weatherman
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Portimão Weather September
Temperatures trend during September in Portimão
September weather in Portimão day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 27° /16° | 0 mm | 7 | |
| 2 Sept. | Sunny | 28° /16° | 0.9 mm | 7 | |
| 3 Sept. |  Patchy rain possible | 28° /18° | 1.7 mm | 7 | |
| 4 Sept. | Patchy rain possible | 27° /18° | 1.2 mm | 5 | |
| 5 Sept. | Sunny | 29° /19° | 0 mm | 7 | |
| 6 Sept. | Sunny | 27° /18° | 0 mm | 6 | |
| 7 Sept. | Sunny | 27° /17° | 0 mm | 7 | |
| 8 Sept. | Sunny | 27° /17° | 0 mm | 6 | |
| 9 Sept. |  Partly cloudy | 25° /17° | 0.1 mm | 6 | |
| 10 Sept. | Partly cloudy | 26° /17° | 0 mm | 7 | |
| 11 Sept. | Sunny | 27° /17° | 0 mm | 7 | |
| 12 Sept. | Sunny | 28° /17° | 0 mm | 7 | |
| 13 Sept. | Sunny | 28° /18° | 0 mm | 7 | |
| 14 Sept. | Sunny | 28° /19° | 0 mm | 7 | |
| 15 Sept. | Sunny | 28° /19° | 0 mm | 7 | |
| 16 Sept. | Patchy rain possible | 26° /18° | 1.3 mm | 7 | |
| 17 Sept. | Sunny | 26° /17° | 0.1 mm | 7 | |
| 18 Sept. | Partly cloudy | 25° /18° | 0.1 mm | 7 | |
| 19 Sept. | Sunny | 26° /18° | 0 mm | 6 | |
| 20 Sept. | Sunny | 26° /18° | 0 mm | 6 | |
| 21 Sept. | Sunny | 25° /17° | 0.4 mm | 6 | |
| 22 Sept. | Sunny | 25° /15° | 0 mm | 6 | |
| 23 Sept. | Sunny | 26° /16° | 0 mm | 6 | |
| 24 Sept. | Sunny | 26° /17° | 0 mm | 6 | |
| 25 Sept. | Sunny | 27° /18° | 0.1 mm | 6 | |
| 26 Sept. | Partly cloudy | 26° /19° | 0 mm | 5 | |
| 27 Sept. | Partly cloudy | 25° /17° | 0 mm | 5 | |
| 28 Sept. | Sunny | 24° /17° | 0.5 mm | 5 | |
| 29 Sept. | Sunny | 26° /17° | 0 mm | 6 | |
| 30 Sept. | Sunny | 26° /18° | 0.1 mm | 6 | |
| Next | |||||
Portimão weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Patchy rain possible |
| Temperatures | 29°/18° | 26°/17° | 23°/17° |
| Rainfall | 3 mm | 7 mm | 64 mm |
| Wind | 23.7 km/h | 20.5 km/h | 19.9 km/h |
| Humidity | 64% | 64% | 73% |
| Rainy days | 1 days | 1 days | 7 days |
| Dry days | 30 days | 29 days | 24 days |
Planning a trip to Portimão? Discover the best time to visit
Portimão in September - FAQ
What are the expected maximum and minimum temperatures in Portimão during September?
How much rainfall should be expected in Portimão during September?
What are the typical wind conditions in Portimão during September?
Portimão water temperatures in September
The average water temperature of the Atlantic Ocean near Portimão in September is 18.3 °C. At the beginning of September temperatures are around 18.2 °C; by the end of the month they stay fairly steady and reach 18.3 °C.
- What is the water temperature in Portimão in September?
- The average water temperature in Portimão in September is 18.3 °C.
- Can you swim in Portimão in September?
- Refreshing and invigorating. Expect to feel chilled after 10–20 minutes; a shorty wetsuit extends water time, especially at dawn.
September rainfall patterns in Portimão
UV exposure in Portimão during September
What to pack to Portimão in September?
Warm & sunny · highs around 26 °C, mostly dry
As you prepare for your trip to Portimão in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Portimão, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
🎒 Accessories
🧴 Personal Items
Where is Portimão?Get accurate weather forecasts for Portimão, located at latitude 37.139 and longitude -8.538. Stay updated with localized weather information tailored for Portimão.