Gijón 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
Good
Best time to visit: June – October
What is the weather like in Gijón in September?
In September, Gijón is mild: daytime highs average 20 °C, and nights cool down to about 16 °C. The sea averages 19.8 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 81 mm in total. All in all, September is a good month for a holiday in Gijón.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 73 | 73 | 65 |
| Day | 22° | 20° | 18° |
| Night | 17° | 16° | 13° |
| Sea | 21° | 20° | 18° |
| Sun | 6 h | 6 h | 5 h |
| Rain days | 12 | 12 | 14 |
More details for September
- Daylight
- 12 h 35 min08:01 – 20:35
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 61 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Madrid
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %50 %
- Few rainy daysweight 30 %44 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Wetsuit for longer swims
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Gijón in September: quick answers
Is Gijón hot in September?
No. In September, Gijón is mild: daytime highs average 20 °C and nights drop to about 16 °C.
Can you swim in Gijón in September?
Only if you don't mind cold water: in September the sea averages just 19.8 °C. Comfortable swimming is possible in August.
Does it rain much in Gijón in September?
Rain is frequent, with about 12 rainy days and 81 mm in total.
Gijón month by month
The whole year in GijónAll 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