Algeciras weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Excellent
Best time to visit: June – September
What is the weather like in Algeciras in September?
In September, Algeciras is warm: daytime highs average 25 °C, and nights cool down to about 20 °C. The sea averages 20.6 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain is rare: about 4 days bring 35 mm in total. All in all, September is an excellent month for a holiday in Algeciras.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 91 | 86 | 52 |
| Day | 28° | 25° | 22° |
| Night | 22° | 20° | 17° |
| Sea | 22° | 21° | 19° |
| Sun | 10 h | 8 h | 7 h |
| Rain days | 1 | 4 | 8 |
More details for September
- Daylight
- 12 h 28 min08:03 – 20:31
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 8 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 35 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+2Europe/Madrid
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %51 %
- Sunshineweight 20 %90 %
- Few rainy daysweight 20 %99 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
Algeciras in September: quick answers
Is Algeciras hot in September?
Warm rather than hot: in September, daytime highs in Algeciras average 25 °C and nights cool to about 20 °C. On about 1 days the thermometer climbs to 30 °C or more.
Can you swim in Algeciras in September?
Yes. In September the sea averages 20.6 °C – refreshing for a swim.
Does it rain much in Algeciras in September?
Rain is rare: about 4 days bring 35 mm in total.
Algeciras month by month
The whole year in AlgecirasAll destinations: SpainWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences