Normal weather for Costa Blanca in September
It's warm in September in Costa Blanca with an average temperature of 29°C. Temperatures this month range from a low of 27°C to a high of 31°C. At night, you can expect temperatures between 17°C and 23°C.
In September, there is an average of 43 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
The water temperature at Costa Blanca is 27°C this month. Nice and warm for a swim.
Want nice weather? Then September is a great time to be in Costa Blanca. You’ll have pleasant temperatures and not too much rain this month.
Costa Blanca in September |
UK | ||
|---|---|---|---|
 Average Temperature |
29°C | 20°C | |
 High Temp |
31°C | 22°C | |
| Low Temp |
27°C | 17°C | |
 Total Precipitation |
43 mm | 44 mm | |
| Rainy Days |
8 days | 8 days | |
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
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Start of September
The month of September starts in Costa Blanca with hot temperatures, averaging around 31°C during the day and nights close to 22°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-September
By mid-September, the average daytime temperature drops to around 30°C, with nights close to 21°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of September
By the end of September, the average daytime temperature in Costa Blanca will be around 28°C, with nights close to 20°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
Temperature records
With 37°C, Costa Blanca hit the highest temperature in the last 10 years in September 2016. The lowest daytime temperature in this month was 21°C in 2019. The extreme night temperatures ranged from a low of 14°C to a high of 27°C.
Check out the climate of Costa Blanca for all months and discover the best travel time
The climate of Costa Blanca is based on weather data from Alicante. Other locations might have different weather.
August
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Daily Temperature in September in Costa Blanca
This chart shows the average daily temperatures, both day and night, for each day in September in Costa Blanca, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Costa Blanca
The chart below shows the average daily precipitation in September for Costa Blanca, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 8 days of rain in Costa Blanca.
Daily UV Index in September in Costa Blanca
This chart shows the average daily UV index in September in Costa Blanca, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Costa Blanca Over the Years
This chart shows the average temperature in September in Costa Blanca, measured in degrees Celsius, over the past years.
Total Precipitation in September in Costa Blanca Over the Years
This chart shows the average precipitation in September in Costa Blanca, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Costa Blanca
Click on a specific day in September for detailed info on the typical weather on that day in Costa Blanca. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Costa Blanca
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Average Weather in Costa Blanca by Month
Click on a month below to see detailed weather info for Costa Blanca. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Costa Blanca for all months at once
