Sines in september: average Weather, Temperature and Climate
Weather in Sines in september 2025
The weather in Sines in the month of september comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by using 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
68°F
Clear/Sunny
66% of time
22%
6%
4%
Weather at 12pm
76°F
Clear/Sunny
77% of time
16%
3%
3%
Weather at 6pm
72°F
Clear/Sunny
76% of time
18%
3%
3%
Weather at 3am
68°F
67%
20%
9%
3%
Evolution of daily average temperature and precipitation in Sines in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Sines in september.
The climate of Sines in september is perfect
In september in Sines, the climate is rather dry ; it hardly ever rains (1.5in of precipitation over 2 days).
The climate quite pleasant around this city september. The thermometer averaged maximum of 76°F. On average, the recorded minimum temperature is 68°F. Thus, the mean temperature average on this month of september in Sines is 72°F. These temperatures are far removed from those records observed in Sines in the month of september with a maximum record of 90°F in 2016 and a minimum record of 59°F in 2021.
On average, in Sines, the days of september last 12:26. Sunrise is at 06:17 and sunset is at 18:43.
With a perfect weather, september is recommended to go in Sines.
Seasonal average climate and temperature of Sines in september
Check below seasonal norms These statistics are generated from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 72°F | ||||
| Highest temperature | 76°F | ||||
| Lowest temperature | 68°F | ||||
| Highest record temperature | 90°F (2016) | ||||
| Lowest record temperature | 59°F (2021) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 69°F | ||||
| Lowest sea temperature | 67°F | ||||
| Highest sea temperature | 71°F | ||||
| Wind | |||||
| Wind speed | 22km/h | ||||
| Wind temperature | 68°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.5in | ||||
| Number of days with rainfall | 2 day(s) (6%) | ||||
| Record daily rainfall | 1.8in (2013) | ||||
| Other climate data | |||||
| Humidity | 80% | ||||
| Visibility | 9.83km | ||||
| Cloud cover | 16% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:17 | ||||
| Time of sunset | 18:43 | ||||
| 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 Sines in september 2024:
67°F to 83°F
68°F to 77°F
61°F to 77°F
59°F to 83°F
59°F to 83°F
59°F to 76°F
58°F to 74°F
59°F to 79°F
61°F to 81°F
61°F to 77°F
59°F to 85°F
63°F to 79°F
61°F to 86°F
65°F to 83°F
65°F to 85°F
65°F to 86°F
65°F to 86°F
61°F to 76°F
61°F to 74°F
61°F to 72°F
65°F to 74°F
61°F to 76°F
59°F to 77°F
59°F to 74°F
68°F to 74°F
68°F to 72°F
61°F to 74°F
54°F to 77°F
58°F to 79°F
61°F to 83°F
Map: other cities in Portugal in september
Cities near Sines:
| Porto Covo in september | perfect weather |
| Vila Nova de Milfontes in september | perfect weather |
| Grandola in september | perfect weather |
| Sao Teotonio in september | perfect weather |
| Sesimbra in september | perfect weather |
| Aljustrel in september | perfect weather |
| Setúbal in september | perfect weather |
| Aljezur in september | perfect weather |
| Praia da Arrifana in september | perfect weather |
| Monchique in september | perfect weather |
| Costa da Caparica in september | perfect weather |
| Montijo in september | perfect weather |
Click over cities on the map for information about the weather in september.
Sines
perfect weather
good
tolerable
bad
very bad
Weather data for Sines in september:
Weather data for Sines for september are derived from an average of the weather forecast since 2009 in Sines. There is a margin of error and these forecasts are to be considered as general information only. The weather in Sines 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 Sines.