Portimão
September
Weather in Portimão for September 2025
Your guide to Portimão weather in September - trends and predictions
In general, the average temperature in Portimão at the beginning of September is 24.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 25.4 °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.
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Temperatures
Rain 🌧️
More
29
Dry days
1
Rainy days
0
Snow days
25°/16°
Temperatures
21 km/h
Avg max wind
71 %
Avg humidity
Portimão in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2  25° | 3  23° | 4 25° | 5 25° | 6  24° | 7  24° |
| 8  24° | 9 24° | 10  24° | 11 26° | 12 26° | 13 28° | 14 26° |
| 15 25° | 16 24° | 17 24° | 18 23° | 19 24° | 20 23° | 21 23° |
| 22 23° | 23 25° | 24 25° | 25 25° | 26 25° | 27 25° | 28 25° |
| 29 26° | 30 27° |
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Temperatures trend during September in Portimão
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Overcast | 26° /17° | 0 mm | 7 | |
| 2 Sept. | Light rain shower | 25° /16° | 1.7 mm | 6 | |
| 3 Sept. | Patchy light rain with thunder | 23° /15° | 3.4 mm | 6 | |
| 4 Sept. | Light rain shower | 25° /15° | 2.3 mm | 6 | |
| 5 Sept. | Patchy rain possible | 25° /17° | 0.1 mm | 6 | |
| 6 Sept. | Cloudy | 24° /16° | 0 mm | 6 | |
| 7 Sept. | Sunny | 24° /15° | 0 mm | 6 | |
| 8 Sept. | Partly cloudy | 24° /16° | 0 mm | 6 | |
| 9 Sept. | Light rain shower | 24° /17° | 0.2 mm | 6 | |
| 10 Sept. | Mist | 24° /16° | 0 mm | 6 | |
| 11 Sept. | Patchy rain possible | 26° /16° | 0.1 mm | 6 | |
| 12 Sept. | Sunny | 26° /16° | 0 mm | 7 | |
| 13 Sept. | Sunny | 28° /17° | 0 mm | 7 | |
| 14 Sept. | Sunny | 26° /19° | 0 mm | 7 | |
| 15 Sept. | Overcast | 25° /18° | 0 mm | 6 | |
| 16 Sept. | Light rain shower | 24° /18° | 2.7 mm | 6 | |
| 17 Sept. | Patchy rain possible | 24° /17° | 0.2 mm | 6 | |
| 18 Sept. | Partly cloudy | 23° /17° | 0.1 mm | 6 | |
| 19 Sept. | Sunny | 24° /16° | 0 mm | 6 | |
| 20 Sept. | Sunny | 23° /17° | 0.1 mm | 6 | |
| 21 Sept. | Light rain shower | 23° /17° | 0.9 mm | 5 | |
| 22 Sept. | Sunny | 23° /15° | 0 mm | 6 | |
| 23 Sept. | Sunny | 25° /15° | 0 mm | 7 | |
| 24 Sept. | Sunny | 25° /16° | 0 mm | 7 | |
| 25 Sept. | Sunny | 25° /18° | 0.1 mm | 6 | |
| 26 Sept. | Partly cloudy | 25° /18° | 0.1 mm | 6 | |
| 27 Sept. | Partly cloudy | 25° /17° | 0 mm | 7 | |
| 28 Sept. | Sunny | 25° /15° | 0 mm | 7 | |
| 29 Sept. | Sunny | 26° /17° | 0 mm | 7 | |
| 30 Sept. | Sunny | 27° /18° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Portimão in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Portimão forecast closer to your planned date for the most up-to-date weather information.
Portimão in September - FAQ
What are the expected maximum and minimum temperatures in Portimão during September?
During September, expect a variety of temperatures with highs around 25° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Portimão during September?
In September, Portimão can expect light to moderate rainfall, totaling 23.9 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Portimão during September?
The average wind speed in Portimão during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Portimão in September?
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
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
September rainfall patterns in Portimão
Explore the daily rainfall trends and prepare for Portimãos September weather 💧
UV exposure in Portimão during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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