Sintra in september: average Weather, Temperature and Climate
Weather in Sintra in september 2025
The weather in Sintra in the month of september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather UV index: 6
Weather at 6am
67°F
Clear/Sunny
59% of time
26%
6%
5%
Weather at 12pm
77°F
Clear/Sunny
74% of time
16%
5%
4%
Weather at 6pm
74°F
Clear/Sunny
74% of time
17%
6%
3%
Weather at 3am
67°F
59%
25%
10%
4%
Evolution of daily average temperature and precipitation in Sintra in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Sintra in september.
The climate of Sintra in september is perfect
The climate in september in Sintra is relatively dry (with 1.9in of rainfall over 2 days). The weather's not getting better compared to the previous month since in august there is an average of 0.3in of precipitation over 0 days.
The climate enjoyable in this city the month of september. Temperatures are up to 77°F. On average, the recorded minimum temperature is 67°F. Thus, the mean temperature average in september in Sintra is 72°F. These temperatures are far removed from those records observed in Sintra in september with a maximum record of 88°F in 2012 and a minimum record of 59°F in 2011.
In september in Sintra, the days on average last 12:26. The sun rises at 06:19 and sunset is at 18:45.
With a perfect weather, september is recommended to go in this city in Portugal.
Seasonal average climate and temperature of Sintra in september
Check below seasonal norms These statistics are generated from the weather statements of the last years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 72°F | ||||
| Highest temperature | 77°F | ||||
| Lowest temperature | 67°F | ||||
| Highest record temperature | 88°F (2012) | ||||
| Lowest record temperature | 59°F (2011) | ||||
| Number of days at +86°F | 1 day(s) (3%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 69°F | ||||
| Lowest sea temperature | 66°F | ||||
| Highest sea temperature | 71°F | ||||
| Wind | |||||
| Wind speed | 22km/h | ||||
| Wind temperature | 67°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.9in | ||||
| Number of days with rainfall | 2 day(s) (8%) | ||||
| Record daily rainfall | 2.8in (2013) | ||||
| Other climate data | |||||
| Humidity | 82% | ||||
| Visibility | 9.8km | ||||
| Cloud cover | 18% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:19 | ||||
| Time of sunset | 18:45 | ||||
| Length of day | 12:26 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in Sintra in september 2024:
65°F to 74°F
65°F to 70°F
61°F to 68°F
61°F to 74°F
61°F to 70°F
59°F to 68°F
61°F to 70°F
61°F to 70°F
63°F to 72°F
61°F to 70°F
63°F to 74°F
63°F to 72°F
63°F to 76°F
67°F to 76°F
67°F to 81°F
67°F to 81°F
68°F to 79°F
63°F to 74°F
63°F to 72°F
63°F to 70°F
67°F to 74°F
63°F to 72°F
61°F to 70°F
61°F to 72°F
67°F to 74°F
67°F to 70°F
61°F to 70°F
58°F to 72°F
61°F to 74°F
63°F to 76°F
Map: other cities in Portugal in september
Cities near Sintra:
| Colares in september | perfect weather |
| Estoril in september | perfect weather |
| Guincho in september | perfect weather |
| Cascais in september | perfect weather |
| Ericeira in september | perfect weather |
| Costa da Caparica in september | perfect weather |
| Lisbon in september | perfect weather |
| Torres Vedras in september | perfect weather |
| Montijo in september | perfect weather |
| Sesimbra in september | perfect weather |
| Lourinhã in september | perfect weather |
| Setúbal in september | perfect weather |
Click over cities on the map for information about the weather in september.
Sintra
perfect weather
good
tolerable
bad
very bad
Weather data for Sintra in september:
Weather data for Sintra for september are derived from an average of the weather forecast since 2009 in Sintra. There is a margin of error and these forecasts are to be considered as general information only. The weather in Sintra can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Sintra.