September weather forecast
Vigo, Spain

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Weather in September

September ushers a goodbye to summer as Vigo starts to experience cooler days, transitioning smoothly into autumn. The cooling comes with a marked decrease in sea temperature, sliding down to 18.3°C (64.9°F) from August's high. Pleasantly, September maintains an ensemble of ample sunshine and moderate temperatures; hence, the city continues to attract tourists. As September comes to an end, an autumnal vibe starts taking over, with changing foliage and shorter daylight hours.

Temperature

The onset of September in Vigo, Spain, brings with it an average high-temperature of an agreeable 22.5°C (72.5°F), showing a negligible variation from the month before. During September, Vigo records a consistent average nighttime temperature of 14.7°C (58.5°F).

Humidity

August and September, with an average relative humidity of 75%, are the least humid months in Vigo.

Rainfall

In Vigo, in September, it is raining for 8.5 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, there are 160.3 rainfall days, and 1028mm (40.47") of precipitation is accumulated.

Sea temperature

September is the month with the warmest seawater, with an average sea temperature of 18.3°C (64.9°F).
Note: Most people do not enjoy swimming in water of 18.3°C (64.9°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Vigo, Spain, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 08:00 and sunset at 21:08. On the last day of September, in Vigo, sunrise is at 08:31 and sunset at 20:17 CEST.

Sunshine

The average sunshine in September in Vigo is 8.9h.

UV index

The months with the highest UV index in Vigo are May through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Jan 29, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the average September temperature in Vigo?

In September, in Vigo, the average high-temperature is 22.5°C (72.5°F), and the average low-temperature is 14.7°C (58.5°F).

What is the least humid month in Vigo?

The months with the lowest humidity in Vigo are August and September, with an average relative humidity of 75%.

What is the average humidity in September in Vigo?

In September, the average relative humidity is 75%.

How many days does it rain in September in Vigo?

In Vigo, in September, during 8.5 rainfall days, 33mm (1.3") of precipitation is typically accumulated.

What month is the sea warmest in Vigo?

September is the month with the warmest seawater in Vigo, Spain, with an average sea temperature of 18.3°C (64.9°F).

What is the sea water temperature in September in Vigo?

In Vigo, the average seawater temperature in September is 18.3°C (64.9°F). For most, swimming in 18.3°C (64.9°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Vigo have in September?

In Vigo, Spain, the average day length in September is 12h and 29min.

When is the sunrise / sunset in September in Vigo?

In September, on the first day of the month, sunrise is at 08:00 and sunset at 21:08. On the last day of the month, sunrise is at 08:31 and sunset at 20:17 CEST.

How many hours of sunshine does Vigo have in September?

In September, the average sunshine duration is 8.9h.

What are the months with the highest UV index in Vigo?

The months with the highest UV index in Vigo, Spain, are May through September, with an average maximum UV index of 5.

What is the UV index intensity in September in Vigo?

In Vigo, Spain, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.

Average temperature in September
Vigo, Spain

Average temperature in September - Vigo, Spain
  • Average high temperature in September: 22.5°C

The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (11.7°C).

  • Average low temperature in September: 14.7°C

The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (6.8°C).

Average pressure in September
Vigo, Spain

Average pressure in September - Vigo, Spain
  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in September
Vigo, Spain

Average wind speed in September - Vigo, Spain
  • Average wind speed in September: 10.3km/h

The windiest month (with the highest average wind speed) is February (14.4km/h).
The calmest month (with the lowest average wind speed) is September (10.3km/h).

Average humidity in September
Vigo, Spain

Average humidity in September - Vigo, Spain
  • Average humidity in September: 75%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (75%).

Average rainfall in September
Vigo, Spain

Average rainfall in September - Vigo, Spain
  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is November (167mm).
The driest month (with the least rainfall) is July (17mm).

Average rainfall days in September
Vigo, Spain

Average rainfall days in September - Vigo, Spain
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is November (18.7 days).
The month with the least rainy days is August (7.2 days).

Average sea temperature in September
Vigo, Spain

Average sea temperature in September - Vigo, Spain
  • Average sea temperature in September: 18.3°C

The best month for swimming (with the highest average sea temperature) is September (18.3°C).
The coldest month (with the lowest average sea temperature) is March (13.6°C).

Average daylight in September /
Average sunshine in September
Vigo, Spain

Average daylight in September / Average sunshine in September - Vigo, Spain
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in September
Vigo, Spain

Average sunshine days in September - Vigo, Spain
  • Average sunshine days in September: 18.7 days

The month with the most sunshine days is August (21.1 days).
The month with the least sunshine days is November (9.7 days).

Average UV index in September
Vigo, Spain

Average UV index in September - Vigo, Spain
  • Average UV index in September: 5

The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

Average cloud cover in September
Vigo, Spain

Average cloud cover in September - Vigo, Spain
  • Average cloud cover in September: 23

The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and September (Cloud cover 23).

Average visibility in September
Vigo, Spain

Average visibility in September - Vigo, Spain
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

Vigo, Spain

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