Weather in Cacém for September 2025
Until now, September 2025 in Cacém has been nearly identical to the historical average, with a temperature of 24.6 °C (showing only a slight deviation of 0.1 °C).
The forecast for the next days in Cacém predicts temperatures to be around 26 °C, close to the historical average.
In general, the average temperature in Cacém at the beginning of September is 24.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 24.7 °C by the end of September.
Cacém experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 36.4 mm.
Is September a good time to visit Cacém? check out the best time to travel to Cacém page.
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Cacém Weather September
Temperatures trend during September in Cacém
September weather in Cacém day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Overcast | 24° /17° | 0 mm | 6 | |
| 2 Sept. |  Patchy rain possible | 23° /16° | 1.2 mm | 5 | |
| 3 Sept. | Light rain shower | 24° /16° | 4.1 mm | 6 | |
| 4 Sept. |  Light rain | 26° /16° | 4.8 mm | 6 | |
| 5 Sept. | Light rain shower | 25° /16° | 1.5 mm | 6 | |
| 6 Sept. |  Cloudy | 23° /16° | 0 mm | 5 | |
| 7 Sept. | Patchy rain possible | 24° /17° | 1.7 mm | 6 | |
| 8 Sept. | Overcast | 23° /16° | 0 mm | 6 | |
| 9 Sept. | Light rain shower | 23° /16° | 1.1 mm | 6 | |
| 10 Sept. | Light rain shower | 23° /17° | 0.3 mm | 5 | |
| 11 Sept. |  Partly cloudy | 26° /17° | 0 mm | 6 | |
| 12 Sept. |  Sunny | 25° /17° | 0 mm | 6 | |
| 13 Sept. | Sunny | 27° /17° | 0 mm | 7 | |
| 14 Sept. | Sunny | 28° /18° | 0 mm | 7 | |
| 15 Sept. | Cloudy | 29° /19° | 0 mm | 7 | |
| 16 Sept. | Sunny | 31° /17° | 0 mm | 1.7 | |
| 17 Sept. | Sunny | 32° /19° | 0 mm | 1.6 | |
| 18 Sept. | Sunny | 31° /22° | 0 mm | 1.5 | |
| 19 Sept. | Patchy rain possible | 28° /23° | 0.2 mm | 1.1 | |
| 20 Sept. | Patchy rain possible | 28° /21° | 1.3 mm | 5 | |
| 21 Sept. | Sunny | 25° /17° | 0 mm | 5 | |
| 22 Sept. | Partly cloudy | 22° /17° | 0 mm | 5 | |
| 23 Sept. | Partly cloudy | 22° /15° | 0 mm | 5 | |
| 24 Sept. | Sunny | 23° /16° | 0 mm | 5 | |
| 25 Sept. | Sunny | 24° /17° | 0 mm | 5 | |
| 26 Sept. | Partly cloudy | 22° /18° | 0 mm | 5 | |
| 27 Sept. | Patchy rain possible | 22° /19° | 0.6 mm | 5 | |
| 28 Sept. | Patchy rain possible | 24° /20° | 0.1 mm | 5 | |
| 29 Sept. | Sunny | 29° /17° | 0 mm | 8 | |
| 30 Sept. | Sunny | 29° /19° | 0 mm | 8 | |
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Cacém weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Patchy rain possible |
| Temperatures | 28°/18° | 25°/17° | 23°/17° |
| Rainfall | 0 mm | 36 mm | 87 mm |
| Wind | 24.8 km/h | 20.1 km/h | 20.4 km/h |
| Humidity | 61% | 63% | 68% |
| Rainy days | 0 days | 9 days | 19 days |
| Dry days | 31 days | 21 days | 12 days |
Planning a trip to Cacém? Discover the best time to visit
Cacém in September - FAQ
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
UV exposure in Cacém during September
Quick links
Where is Cacém?Get accurate weather forecasts for Cacém, located at latitude 38.767 and longitude -9.298. Stay updated with localized weather information tailored for Cacém.