Castelldefels in september: average Weather, Temperature and Climate
Weather in Castelldefels in september 2025
The weather in Castelldefels in the month of september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 6
Weather at 6am
70°F
Clear/Sunny
48% of time
22%
19%
9%
Weather at 12pm
79°F
Clear/Sunny
53% of time
22%
18%
5%
Weather at 6pm
76°F
Clear/Sunny
58% of time
21%
15%
6%
Weather at 3am
72°F
50%
22%
20%
7%
Evolution of daily average temperature and precipitation in Castelldefels in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Castelldefels in september.
The climate of Castelldefels in september is good
The climate in september in Castelldefels is relatively dry (with 4in of precipitation over 6 days). It should be noted a worsening from the previous month since in august there is an average of 2.2in of rainfall over 3 days.
The climate nice in this city the month of september. The high seasonal norm is 79°F. The minimum is 70°F. Thus, the mean temperature average on this month of september in Castelldefels is 76°F. These temperatures are far removed from those records observed in Castelldefels in september with a maximum record of 88°F in 2016 and a minimum record of 58°F in 2010. You can plan to have about 1 days with temperatures up to 86°F, or 3 of the month.
On average, in Castelldefels, the days of september last 12:29. Sunrise is at 06:32 and sets at 19:01.
With good weather conditions, the month of september is advisable to go in Castelldefels.
Seasonal average climate and temperature of Castelldefels in september
Check below seasonal norms These datas are compiled from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 76°F | ||||
| Highest temperature | 79°F | ||||
| Lowest temperature | 70°F | ||||
| Highest record temperature | 88°F (2016) | ||||
| Lowest record temperature | 58°F (2010) | ||||
| 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 | 76°F | ||||
| Lowest sea temperature | 72°F | ||||
| Highest sea temperature | 80°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 70°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4in | ||||
| Number of days with rainfall | 6 day(s) (19%) | ||||
| Record daily rainfall | 2.3in (2019) | ||||
| Other climate data | |||||
| Humidity | 76% | ||||
| Visibility | 9.65km | ||||
| Cloud cover | 24% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:32 | ||||
| Time of sunset | 19:01 | ||||
| Length of day | 12:29 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Castelldefels in september 2024:
77°F to 81°F
74°F to 79°F
68°F to 77°F
70°F to 76°F
70°F to 76°F
74°F to 77°F
76°F to 81°F
74°F to 79°F
74°F to 77°F
72°F to 76°F
72°F to 76°F
68°F to 76°F
65°F to 68°F
65°F to 74°F
68°F to 76°F
70°F to 76°F
70°F to 74°F
67°F to 70°F
68°F to 72°F
70°F to 70°F
68°F to 74°F
68°F to 76°F
70°F to 74°F
70°F to 76°F
68°F to 74°F
74°F to 79°F
72°F to 79°F
65°F to 70°F
67°F to 72°F
68°F to 74°F
Map: other cities in Spain in september
Cities near Castelldefels:
| Sitges in september | good weather |
| Barcelona in september | good weather |
| Vilanova i la Geltrú in september | good weather |
| Badalona in september | good weather |
| Calafell in september | good weather |
| Coma-ruga in september | good weather |
| Mataró in september | good weather |
| Catalonia in september | good weather |
| Manresa in september | good weather |
| Tarragona in september | good weather |
| Calella in september | good weather |
| Pineda de Mar in september | good weather |
Click over cities on the map for information about the weather in september.
Castelldefels
perfect weather
good
tolerable
bad
very bad
Weather data for Castelldefels in september:
Weather data for Castelldefels for september are derived from an average of the weather forecast since 2009 in Castelldefels. There is a margin of error and these forecasts are to be considered as general information only. The weather in Castelldefels 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 Castelldefels.