Cacém
September
Weather in Cacém for September 2025
Your guide to Cacém weather in September - trends and predictions
In general, the average temperature in Cacém at the beginning of September is 23.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 26.3 °C by the end of September.
Cacém sees moderate rainfall in September, averaging 10 rainy days.
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20
Dry days
10
Rainy days
0
Snow days
25°/18°
Temperatures
18 km/h
Avg max wind
67 %
Avg humidity
Cacém in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  22° | 3 22° | 4  26° | 5 24° | 6  22° | 7 24° |
| 8 24° | 9 24° | 10 23° | 11  25° | 12  24° | 13 29° | 14 28° |
| 15 29° | 16 28° | 17 27° | 18 24° | 19 24° | 20 23° | 21  22° |
| 22 23° | 23 24° | 24 25° | 25 25° | 26 25° | 27 24° | 28 27° |
| 29 29° | 30 29° |
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Temperatures trend during September in Cacém
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 | 25° /17° | 0 mm | 6 | |
| 2 Sept. | Patchy rain possible | 22° /16° | 1.8 mm | 5 | |
| 3 Sept. | Light rain shower | 22° /15° | 6.2 mm | 5 | |
| 4 Sept. | Light rain | 26° /15° | 7.2 mm | 6 | |
| 5 Sept. | Light rain shower | 24° /16° | 2.2 mm | 6 | |
| 6 Sept. | Cloudy | 22° /16° | 0 mm | 6 | |
| 7 Sept. | Patchy rain possible | 24° /16° | 0.3 mm | 6 | |
| 8 Sept. | Overcast | 24° /17° | 0 mm | 6 | |
| 9 Sept. | Light rain shower | 24° /17° | 1.6 mm | 6 | |
| 10 Sept. | Light rain shower | 23° /17° | 0.5 mm | 5 | |
| 11 Sept. | Partly cloudy | 25° /17° | 0 mm | 6 | |
| 12 Sept. | Sunny | 24° /17° | 0 mm | 6 | |
| 13 Sept. | Sunny | 29° /17° | 0 mm | 7 | |
| 14 Sept. | Sunny | 28° /19° | 0 mm | 7 | |
| 15 Sept. | Cloudy | 29° /19° | 0 mm | 7 | |
| 16 Sept. | Light rain shower | 28° /19° | 4.4 mm | 7 | |
| 17 Sept. | Light rain shower | 27° /18° | 7.2 mm | 6 | |
| 18 Sept. | Patchy rain possible | 24° /17° | 0.1 mm | 6 | |
| 19 Sept. | Sunny | 24° /16° | 0 mm | 7 | |
| 20 Sept. | Patchy rain possible | 23° /16° | 0.3 mm | 5 | |
| 21 Sept. | Moderate rain | 22° /18° | 2.5 mm | 5 | |
| 22 Sept. | Patchy rain possible | 23° /16° | 0.1 mm | 6 | |
| 23 Sept. | Sunny | 24° /15° | 0 mm | 6 | |
| 24 Sept. | Sunny | 25° /16° | 0 mm | 6 | |
| 25 Sept. | Sunny | 25° /18° | 0.3 mm | 6 | |
| 26 Sept. | Partly cloudy | 25° /17° | 1.6 mm | 6 | |
| 27 Sept. | Sunny | 24° /16° | 0.1 mm | 6 | |
| 28 Sept. | Sunny | 27° /15° | 0 mm | 7 | |
| 29 Sept. | Sunny | 29° /17° | 0 mm | 8 | |
| 30 Sept. | Sunny | 29° /19° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Cacém 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 Cacém forecast closer to your planned date for the most up-to-date weather information.
Cacém in September - FAQ
What are the expected maximum and minimum temperatures in Cacém during September?
During September, expect a variety of temperatures with highs around 25° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cacém during September?
Moderate rainfall is anticipated in Cacém during September, with a total of 67.8 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cacém during September?
The average wind speed in Cacém during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Cacém in September?
As you prepare for your trip to Cacém 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 Cacém, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Cacém
Explore the daily rainfall trends and prepare for Cacéms September weather 💧
UV exposure in Cacém during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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