Monthly climate guide
Sitges weather in September
September in Sitges is typically warm, with average daytime highs around 25°C (77°F) and night-time lows near 22°C (72°F). The month usually brings about 53 mm of rain (some rain) and is a mix of sun and cloud. Daytime highs are 2°C cooler than August and 3°C warmer than October.
What stands out in September
- September brings early autumn to Sitges.
- Nights stay warm, rarely below 22°C — air-conditioning helps.
- There's little difference between day and night (around 3°C).
- Only 2 months are warmer in Sitges than September.
Avg high
25°C
77°F
Avg low
22°C
72°F
Rainfall
53 mm
some rain
Humidity
73%
relative
Sky
42%
cloud · a mix of sun and cloud
Sitges weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 14°C / 56°F | 10°C / 50°F | 31 mm | 75% | 55% |
| February | 13°C / 56°F | 10°C / 49°F | 25 mm | 74% | 49% |
| March | 15°C / 59°F | 11°C / 52°F | 51 mm | 77% | 52% |
| April | 17°C / 62°F | 13°C / 56°F | 55 mm | 79% | 55% |
| May | 20°C / 67°F | 16°C / 61°F | 37 mm | 77% | 51% |
| June | 23°C / 74°F | 20°C / 68°F | 26 mm | 76% | 40% |
| July | 26°C / 80°F | 23°C / 74°F | 24 mm | 75% | 30% |
| August | 27°C / 80°F | 24°C / 75°F | 33 mm | 75% | 35% |
| September | 25°C / 77°F | 22°C / 72°F | 53 mm | 73% | 42% |
| October | 22°C / 71°F | 19°C / 66°F | 70 mm | 75% | 49% |
| November | 17°C / 63°F | 14°C / 58°F | 67 mm | 74% | 55% |
| December | 15°C / 59°F | 11°C / 53°F | 21 mm | 75% | 55% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A small travel umbrella, just in case
Is September a good time to visit Sitges?
Compare the months in the chart above to find your ideal window.
Best time to visit Sitges →Other Spain cities in September
Cite or embed this data
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Sitges weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/spain/sitges/september
<a href="https://weathercompare.eu/weather/spain/sitges/september">Sitges weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/spain/sitges" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Sitges weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/spain/sitges/september">Sitges weather in September</a> – WeatherCompare</p>
Sitges in September: quick answers
Is September a good time to visit Sitges?
September is a reasonable time for Sitges: highs around 25°C and about 53 mm of rain, though not one of the three best months.
How warm is Sitges in September?
Average highs are about 25°C (77°F) and average lows about 22°C (72°F), based on 10 years of daily data.
Does it rain a lot in Sitges in September?
Sitges typically gets around 53 mm of rain in September — some rain.
Figures are long-term averages for the area around Sitges (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.