Weather in Altea in September

Altea, a charming small town located on Spain's Costa Blanca, is renowned for its stunning beaches, whitewashed houses, and vibrant cultural scene. As summer winds down, September brings a pleasant transition in Altea's weather, making it an ideal time for visitors who prefer a milder climate and fewer crowds. In this article, we'll explore what the weather is like in Altea during September, how it impacts local activities and events, and provide tips for travelers planning to visit during this month.

Overview of September Weather in Altea

September in Altea is characterized by the gradual shift from the hot Mediterranean summer to a more temperate early autumn. The average temperature typically ranges from 20°C to 28°C (68°F to 82°F), which is warm enough for beach activities yet cool enough for exploring the town comfortably.

Temperature Details

During the day, temperatures are quite warm but not as intensely hot as in July and August, averaging around 26°C (79°F). The evenings are cooler, with temperatures often dipping to around 20°C (68°F), which is perfect for enjoying outdoor dining or a leisurely stroll along the beachfront. The highest recorded temperature in September can reach up to 31°C (88°F), while the lowest might fall to 18°C (64°F).

Rainfall and Humidity

September marks the beginning of the wet season in Altea, although the rain is generally not very frequent. The average monthly rainfall is about 40 mm, spread over five to seven days throughout the month. These rain showers are typically short-lived and are more likely to occur in the latter part of the month. Humidity levels in September are comfortable, ranging from 60% to 70%, which enhances the overall pleasant climate.

Sea Temperature

The sea temperature in September is particularly inviting. Averaging around 25°C (77°F), the water is ideal for swimming, snorkeling, and other water-based activities. This is because the sea has had all summer to warm up, making it very pleasant for visitors who want to spend time on the water.

What to Expect Day-to-Day

In early September, you can expect long, sunny days with over 8 hours of sunshine. As the month progresses, the days gradually become shorter and the likelihood of encountering a rainy day increases. However, the overall weather pattern remains predominantly sunny and warm, providing ample opportunity for enjoying outdoor activities.

Impact on Local Activities and Events

The agreeable September weather supports a range of activities. Visitors can take advantage of the less crowded beaches, venture into the nearby mountains for hiking, or explore the town’s historical sites without the intense heat of mid-summer.

Cultural and Local Events

September is an exciting time in Altea culturally, with several festivals and events taking place. One of the highlights is the "Fiestas de San Miguel," which typically occur at the end of the month. This festival features parades, music, dancing, and traditional Spanish festivities, offering visitors a taste of local culture and heritage.

Outdoor Activities

For those interested in outdoor pursuits, the cooler temperatures make hiking in the surrounding Sierra de Bernia and other nearby natural parks particularly enjoyable. Cycling along the coast or through the countryside is another popular activity that benefits from the September climate.

Travel Tips for September Visits

When planning a trip to Altea in September, consider the following tips to make the most of your visit:

  • Clothing: Pack light, breathable clothing but also bring along a few warmer items for the cooler evenings. A lightweight jacket or a sweater would be prudent.
  • Accommodation: While September is less busy than the peak summer months, it is still a good idea to book your accommodation in advance to secure the best locations and rates.
  • Weather Preparedness: Keep an eye on the weather forecast, especially if you're planning outdoor activities. An umbrella or a raincoat might come in handy for the occasional showers.
  • Water Activities: Take advantage of the warm sea temperatures by trying water sports available in Altea, such as stand-up paddleboarding, kayaking, or diving.


Altea in September offers an enticing blend of warm weather, cultural richness, and outdoor activities, all set in a less crowded and more relaxed environment. Whether you're drawn to its beaches, interested in its cultural events, or looking to explore its natural surroundings, Altea in September is an excellent choice for a holiday destination. With its favorable weather conditions, September provides a perfect backdrop for experiencing everything this beautiful Spanish town has to offer.

Frequently Asked Questions (FAQs)

In September, the average temperature in Altea ranges from 20°C to 28°C (68°F to 82°F), with daytime highs around 26°C (79°F)

September in Altea sees some rain, with an average monthly rainfall of about 40 mm over five to seven days, mostly in short showers

Yes, the sea temperature in September averages about 25°C (77°F), which is ideal for swimming and other water activities

Pack light, breathable clothing for the daytime and warmer items like a light jacket or sweater for cooler evenings

Yes, Altea hosts several cultural events in September, including the "Fiestas de San Miguel" at the end of the month, featuring parades, music, and traditional festivities

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