Weather in Sintra for September 2025
In general, the average temperature in Sintra 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.
Sintra sees moderate rainfall in September, averaging 10 rainy days.
Is September a good time to visit Sintra? check out the best time to travel to Sintra page.
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Sintra in September average weather
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 Sintra
September weather day by day
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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Sintra in September - FAQ
What to pack to Sintra in September?
As you prepare for your trip to Sintra 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 Sintra, 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 Sintra
UV exposure in Sintra during September
Quick links
Get accurate weather forecasts for Sintra, located at latitude 38.767 and longitude -9.298. Stay updated with localized weather information tailored for Sintra.