Santiago Island in september: average Weather, Temperature and Climate
Weather in Santiago Island in september 2025
The weather in Santiago Island in september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
81°F
Partly Cloudy
42% of time
22%
17%
16%
Weather at 12pm
85°F
Clear/Sunny
34% of time
27%
26%
7%
Weather at 6pm
81°F
Partly Cloudy
40% of time
23%
23%
10%
Weather at 3am
81°F
37%
23%
19%
16%
Evolution of daily average temperature and precipitation in Santiago Island in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Santiago Island in september.
The climate of Santiago Island in september is tolerable
In september in Santiago Island, the climate is relatively dry (with 4.8in of precipitation over 14 days). The situation is deteriorating compared to the previous month since in august there is an average of 2.6in of precipitation over 13 days.
The climate pleasant in this location september. The high seasonal norm is 85°F. In the morning the temperature drops to 81°F. Thus, the mean temperature average on this month of september in Santiago Island is 83°F. These temperatures are far removed from those records observed in Santiago Island in september with a maximum record of 88°F in 2010 and a minimum record of 68°F in 2021. You can plan to have about 4 days with temperatures up to 86°F, or 13 of the month.
On this month of september, day length in Santiago Island is generally 12:13. The sun rises at 06:23 and sunset is at 18:36.
With a good weather, this month is recommended to go there in Cape Verde.
Santiago Island: another month?
If you can push back the dates of your trip, we advise you to go in october to Santiago Island. more information
September: another location in Cabo Verde?
If you want to go to Cape Verde in september, there are destinations with better weather than Santiago Island:
In september, Boa Vista island, Sal Rei, Baía das Gatas, Curral Velho, Espargos (Sal Island) and Ilha de Santo Antão have good weather.
Seasonal average climate and temperature of Santiago Island in september
Check below seasonal norms These statistics are compiled from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 83°F | ||||
| Highest temperature | 85°F | ||||
| Lowest temperature | 81°F | ||||
| Highest record temperature | 88°F (2010) | ||||
| Lowest record temperature | 68°F (2021) | ||||
| Number of days at +86°F | 4 day(s) (13%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 82°F | ||||
| Lowest sea temperature | 79°F | ||||
| Highest sea temperature | 84°F | ||||
| Wind | |||||
| Wind speed | 20km/h | ||||
| Wind temperature | 81°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.8in | ||||
| Number of days with rainfall | 14 day(s) (45%) | ||||
| Record daily rainfall | 3.7in (2010) | ||||
| Other climate data | |||||
| Humidity | 82% | ||||
| Visibility | 9.63km | ||||
| Cloud cover | 43% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:23 | ||||
| Time of sunset | 18:36 | ||||
| Length of day | 12:13 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Santiago Island in september 2024:
79°F to 81°F
77°F to 81°F
77°F to 81°F
77°F to 79°F
77°F to 79°F
77°F to 79°F
77°F to 79°F
77°F to 79°F
77°F to 81°F
77°F to 81°F
76°F to 77°F
77°F to 81°F
77°F to 81°F
77°F to 81°F
77°F to 81°F
77°F to 79°F
77°F to 81°F
79°F to 81°F
79°F to 83°F
79°F to 81°F
77°F to 83°F
79°F to 81°F
77°F to 79°F
79°F to 83°F
79°F to 83°F
79°F to 83°F
79°F to 81°F
79°F to 81°F
77°F to 79°F
77°F to 81°F
Map: other cities in Cabo Verde in september
Cities near Santiago Island:
| Assomada in september | tolerable weather |
| Pedra Badejo in september | tolerable weather |
| Calheta de São Miguel in september | tolerable weather |
| Parque Natural de Serra Malagueta in september | tolerable weather |
| Porto Rincão in september | tolerable weather |
| Praia in september | tolerable weather |
| Cidade Velha in september | tolerable weather |
| Tarrafal in september | tolerable weather |
| Calheta in september | tolerable weather |
| Maio island in september | tolerable weather |
| Mosteiros in september | tolerable weather |
| Fogo Natural Park in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Santiago Island
perfect weather
good
tolerable
bad
very bad
Weather data for Santiago Island in september:
Weather data for Santiago Island for september are derived from an average of the weather forecast since 2009 in Santiago Island. There is a margin of error and these forecasts are to be considered as general information only. The weather in Santiago Island 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 Santiago Island.