Monthly climate guide
Arbo weather in September
With highs near 26°C (79°F) and lows around 12°C (53°F), September feels warm in Arbo. Rainfall averages about 47 mm (fairly dry) and the sky is a mix of sun and cloud. Daytime highs are 2°C cooler than August and 6°C warmer than October.
What stands out in September
- Temperatures are falling — expect highs around 6°C lower by October.
- Arbo is usually about 2°C warmer than Vilagarcía de Arousa, 60 km away, in September.
- Evenings cool off sharply: the daily range is around 14°C, so pack a layer.
- September is Arbo's third warmest month.
Avg high
26°C
79°F
Avg low
12°C
53°F
Rainfall
47 mm
fairly dry
Humidity
63%
relative
Sky
47%
cloud · a mix of sun and cloud
Arbo weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 10°C / 50°F | 3°C / 37°F | 136 mm | 91% | 67% |
| February | 11°C / 51°F | 2°C / 36°F | 92 mm | 88% | 68% |
| March | 13°C / 56°F | 4°C / 38°F | 109 mm | 83% | 60% |
| April | 16°C / 61°F | 6°C / 43°F | 104 mm | 81% | 62% |
| May | 20°C / 68°F | 8°C / 47°F | 64 mm | 77% | 55% |
| June | 23°C / 74°F | 11°C / 51°F | 40 mm | 71% | 53% |
| July | 29°C / 83°F | 13°C / 55°F | 19 mm | 62% | 40% |
| August | 29°C / 83°F | 13°C / 55°F | 31 mm | 60% | 43% |
| September | 26°C / 79°F | 12°C / 53°F | 47 mm | 63% | 47% |
| October | 20°C / 68°F | 9°C / 48°F | 116 mm | 75% | 57% |
| November | 13°C / 55°F | 5°C / 42°F | 142 mm | 89% | 69% |
| December | 11°C / 51°F | 4°C / 38°F | 134 mm | 91% | 70% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
Is September a good time to visit Arbo?
Compare the months in the chart above to find your ideal window.
Best time to visit Arbo →Other Spain cities in September
Cite or embed this data
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Arbo weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/spain/arbo/september
<a href="https://weathercompare.eu/weather/spain/arbo/september">Arbo weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/spain/arbo" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Arbo weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/spain/arbo/september">Arbo weather in September</a> – WeatherCompare</p>
Arbo in September: quick answers
Is September a good time to visit Arbo?
September is a reasonable time for Arbo: highs around 26°C and about 47 mm of rain, though not one of the three best months.
How warm is Arbo in September?
Average highs are about 26°C (79°F) and average lows about 12°C (53°F), based on 10 years of daily data.
Does it rain a lot in Arbo in September?
Arbo typically gets around 47 mm of rain in September — fairly dry.
Figures are long-term averages for the area around Arbo (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.