Monthly climate guide
Viveiro weather in September
Expect warm weather in Viveiro in September: afternoons reach about 24°C (74°F), while nights drop to around 13°C (55°F). Around 41 mm of rain falls over the month (fairly dry), and skies are a mix of sun and cloud. Daytime highs are about the same as August and 4°C warmer than October.
What stands out in September
- Temperatures are falling — expect highs around 4°C lower by October.
- September brings early autumn to Viveiro.
- It's one of the sunniest months here, with cloud cover around 50%.
- September is Viveiro's third warmest month.
Avg high
24°C
74°F
Avg low
13°C
55°F
Rainfall
41 mm
fairly dry
Humidity
76%
relative
Sky
50%
cloud · a mix of sun and cloud
Viveiro weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 10°C / 51°F | 5°C / 40°F | 127 mm | 92% | 64% |
| February | 11°C / 52°F | 4°C / 39°F | 100 mm | 89% | 65% |
| March | 13°C / 56°F | 5°C / 41°F | 109 mm | 86% | 62% |
| April | 16°C / 60°F | 7°C / 44°F | 90 mm | 84% | 63% |
| May | 18°C / 65°F | 9°C / 48°F | 60 mm | 81% | 61% |
| June | 21°C / 70°F | 11°C / 52°F | 47 mm | 79% | 59% |
| July | 24°C / 75°F | 13°C / 56°F | 25 mm | 76% | 53% |
| August | 25°C / 77°F | 14°C / 56°F | 36 mm | 74% | 49% |
| September | 24°C / 74°F | 13°C / 55°F | 41 mm | 76% | 50% |
| October | 20°C / 67°F | 10°C / 50°F | 102 mm | 81% | 53% |
| November | 13°C / 56°F | 7°C / 45°F | 138 mm | 90% | 63% |
| December | 12°C / 53°F | 5°C / 42°F | 124 mm | 90% | 61% |
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 Viveiro?
Compare the months in the chart above to find your ideal window.
Best time to visit Viveiro →Other Spain cities in September
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Viveiro weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/spain/viveiro/september
<a href="https://weathercompare.eu/weather/spain/viveiro/september">Viveiro weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/spain/viveiro" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Viveiro weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/spain/viveiro/september">Viveiro weather in September</a> – WeatherCompare</p>
Viveiro in September: quick answers
Is September a good time to visit Viveiro?
Yes. September is one of the best months for Viveiro, with highs around 24°C and about 41 mm of rain.
How warm is Viveiro in September?
Average highs are about 24°C (74°F) and average lows about 13°C (55°F), based on 10 years of daily data.
Does it rain a lot in Viveiro in September?
Viveiro typically gets around 41 mm of rain in September — fairly dry.
Figures are long-term averages for the area around Viveiro (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.