Weather in Caldas da Rainha for September 2026
Yellow High Temperature Warning - See hour by hour.
Until now, September 2026 in Caldas da Rainha is slightly cooler than the historical average by 1.3 °C.
The forecast for the next days in Caldas da Rainha predicts temperatures to be around 20 °C, close to the historical average.
In general, the average temperature in Caldas da Rainha at the beginning of September is 21.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 18.7 °C by the end of September.
With an average of 5 rainy days, Caldas da Rainha experiences minimal rainfall in September.
Is September a good time to visit Caldas da Rainha? check out the best time to travel to Caldas da Rainha page.
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Caldas da Rainha Weather September
Temperatures trend during September in Caldas da Rainha
September weather in Caldas da Rainha day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Overcast | 21° /17° | 0.5 mm | 6 | |
| 2 Sept. |  Patchy rain possible | 21° /16° | 0.1 mm | 6 | |
| 3 Sept. |  Partly cloudy | 22° /16° | 0 mm | 6 | |
| 4 Sept. | Partly cloudy | 23° /17° | 0 mm | 5 | |
| 5 Sept. | Overcast | 22° /16° | 0 mm | 6 | |
| 6 Sept. | Partly cloudy | 21° /15° | 0.5 mm | 6 | |
| 7 Sept. |  Cloudy | 22° /16° | 0.4 mm | 6 | |
| 8 Sept. | Partly cloudy | 21° /16° | 0 mm | 6 | |
| 9 Sept. | Cloudy | 21° /16° | 0.2 mm | 6 | |
| 10 Sept. | Overcast | 21° /17° | 0.4 mm | 5 | |
| 11 Sept. | Overcast | 22° /16° | 0 mm | 6 | |
| 12 Sept. |  Sunny | 23° /16° | 0 mm | 6 | |
| 13 Sept. | Sunny | 25° /17° | 0 mm | 6 | |
| 14 Sept. | Sunny | 25° /18° | 0 mm | 6 | |
| 15 Sept. | Sunny | 23° /17° | 0 mm | 7 | |
| 16 Sept. | Sunny | 25° /16° | 0 mm | 7 | |
| 17 Sept. | Partly cloudy | 25° /16° | 0 mm | 7 | |
| 18 Sept. | Sunny | 24° /15° | 0 mm | 7 | |
| 19 Sept. | Patchy rain possible | 25° /16° | 0.2 mm | 6 | |
| 20 Sept. |  Heavy rain at times | 22° /15° | 1 mm | 6 | |
| 21 Sept. | Sunny | 24° /20° | 0 mm | 6.5 | |
| 22 Sept. | Sunny | 23° /20° | 0 mm | 6.2 | |
| 23 Sept. | Sunny | 20° /19° | 0 mm | 6 | |
| 24 Sept. | Sunny | 19° /18° | 0 mm | 5.8 | |
| 25 Sept. | Sunny | 19° /18° | 0 mm | 5.8 | |
| 26 Sept. | Overcast | 19° /18° | 0 mm | 5 | |
| 27 Sept. | Patchy rain possible | 19° /18° | 0.1 mm | 4 | |
| 28 Sept. | Sunny | 19° /18° | 0 mm | 5 | |
| 29 Sept. | Patchy rain possible | 18° /18° | 0.1 mm | 5 | |
| 30 Sept. | Overcast | 18° /17° | 0 mm | 5 | |
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Caldas da Rainha weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Sunny | Patchy rain possible |
| Temperatures | 24°/16° | 22°/15° | 21°/15° |
| Rainfall | 3 mm | 15 mm | 92 mm |
| Wind | 21.8 km/h | 22.6 km/h | 20.1 km/h |
| Humidity | 78% | 72% | 77% |
| Rainy days | 0 days | 5 days | 20 days |
| Dry days | 31 days | 25 days | 11 days |
Planning a trip to Caldas da Rainha? Discover the best time to visit
Caldas da Rainha in September - FAQ
What are the expected maximum and minimum temperatures in Caldas da Rainha during September?
How much rainfall should be expected in Caldas da Rainha during September?
What are the typical wind conditions in Caldas da Rainha during September?
UV exposure in Caldas da Rainha during September
What to pack to Caldas da Rainha in September?
Mild · highs around 22 °C, occasional showers
As you prepare for your trip to Caldas da Rainha 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 Caldas da Rainha, during September, is comfortable and enjoyable, regardless of the weather conditions.
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Where is Caldas da Rainha?Get accurate weather forecasts for Caldas da Rainha, located at latitude 39.402 and longitude -9.075. Stay updated with localized weather information tailored for Caldas da Rainha.