Temperature
Warm by day, mild at night.
80°Ftypical September high
Typical range
September climate
September in Barcelona
Spain · Europe
Warm, humid days average highs in the low 80s, with milder nights in the mid-60s. Humidity becomes less pronounced toward month-end.
Good overall
Mid to late
Daytime high
80°F
Lows around 64°F
Rain
Several rainy days
Sun
10.5 h/day
Air feel
Humid
Sea temp
77°F
Warm sea
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 12 wet days, the highest monthly average.
40%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
10.4 hSeptember sunshine
Heat & humidity by month
Warm days, with humid periods.
52%September Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 80° and nights feel near 69°.
Very coldColdCoolComfortableWarmHotNight hours
Clear sky
Partly cloudy skies this month.
47%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
4 mphSeptember Calm
Sea temperature
77°FSeptember sea temp
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 79°F, easing to about 74°F in early evening.
Avg temp Typical range
Morning70°F
Feels 72°F
Rain15%
Cloud53%
Humid airModerate
Sun intensityLow
Best windowMidday78°F
Feels 80°F
Rain24%
Cloud53%
Humid airModerate
Sun intensityStrong
Late afternoon79°F
Rain27%
Cloud56%
Humid airModerate
Sun intensityModerate
Early evening75°F
Feels 77°F
Rain15%
Cloud49%
Humid airHigh
Sun intensityMinimal
Data tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 58 | 41 | 1.5 | 6 | 5.0 | 77 | 58 |
| Feb | 60 | 42 | 1.3 | 6 | 5.9 | 75 | 57 |
| Mar | 64 | 46 | 1.9 | 8 | 10.2 | 74 | 57 |
| Apr | 68 | 51 | 2.5 | 10 | 11.1 | 74 | 60 |
| May | 74 | 57 | 2.2 | 9 | 12.4 | 74 | 64 |
| Jun | 82 | 65 | 1.6 | 6 | 8.8 | 72 | 71 |
| Jul | 86 | 69 | 1.4 | 6 | 10.0 | 73 | 77 |
| Aug | 86 | 70 | 2.2 | 8 | 9.1 | 75 | 79 |
| Sep | 80 | 64 | 3.2 | 12 | 10.4 | 78 | 77 |
| Oct | 73 | 58 | 3.5 | 10 | 8.9 | 80 | 72 |
| Nov | 64 | 48 | 2.3 | 8 | 7.8 | 77 | 66 |
| Dec | 59 | 42 | 1.5 | 6 | 4.6 | 78 | 61 |
Similar climates
Similar
Similar travel styleLisbonPortugalSimilar travel styleNiceFranceSimilar travel stylePortoPortugalSimilar travel styleCataniaItaly
Want a side-by-side climate view? Compare Barcelona with Lisbon.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 28, 2026
Data & methodology