Benidorm weather in September
10-year averages
- Updated Tue 20 Oct 2026
- Daily data 2016–2025
- Source: Open-Meteo, ERA5
September weather in Benidorm: the numbers
| Average high (day) | 27.2°C, feels like 29.0°C |
|---|---|
| Average low (night) | 20.9°C |
| Sea temperature | 26.1°C |
| Days with rain (1 mm or more) | 5.9 days |
| Rainfall in the month | 42 mm |
| Days with heavy rain (10 mm or more) | 0.9 |
| UV index (daily peak) | 6 |
| Daylight | 12.4 hours |
| Sunrise and sunset, 1 September | 07:29 and 20:30 Spanish time (UK + 1 hour) |
| Days reaching 25°C | 86% |
| Days reaching 30°C | 8% |
| Hottest September day, 2016–2025 | 37.3°C on 5 September 2016 |
| Coldest September night, 2016–2025 | 13.9°C on 28 September 2020 |
| Humidity (daily mean) | 70% |
| Strongest wind, daily average | 16 km/h (10 mph) |
Is Benidorm hot in September?
In the last ten years, 100% of September days reached 20°C, 86% reached 25°C and 8% reached 30°C. The hottest September day was 37.3°C on 5 September 2016. The coldest night was 13.9°C on 28 September 2020.
Who September suits
- Beach and pool days
- Swimming in the sea
- Nothing much: this is one of the easiest months
Early, mid and late September
Days cool down through the month: the day high goes from 28.4°C in the first ten days to 25.9°C at the end of September.
| Dates | Day high | Night low | Rain days | Sea |
|---|---|---|---|---|
| 1st–10th September | 28.4°C | 22.1°C | 1.9 | 27.0°C |
| 11th–20th September | 27.4°C | 20.9°C | 1.8 | 26.0°C |
| 21st–end September | 25.9°C | 19.8°C | 2.2 | 25.3°C |
Can you swim in the sea in September?
The sea averages 26.1°C in September. That is the surface reading: it feels colder once you are in up to your shoulders.
Benidorm against home in September
Average day high and rain days in September, 2016–2025, same data source for every place.
| Place | Day high | Benidorm is | Rain days |
|---|---|---|---|
| Benidorm | 27.2°C | – | 5.9 |
| Glasgow | 16.0°C | +11.2°C | 16.3 |
| Belfast | 16.1°C | +11.1°C | 15.4 |
| Newcastle | 17.2°C | +10.0°C | 13.1 |
| Leeds | 17.4°C | +9.8°C | 12.2 |
| Liverpool | 17.6°C | +9.6°C | 15.9 |
| Manchester | 17.7°C | +9.5°C | 15.5 |
| Birmingham | 18.0°C | +9.2°C | 12.9 |
| Bristol | 18.2°C | +9.0°C | 13.6 |
| Cardiff | 18.3°C | +8.9°C | 14.0 |
| London | 19.9°C | +7.3°C | 11.2 |
Will it rain on my holiday?
Over the last ten years, a week in September had a 28% chance of no rain day at all. Heavy rain (10 mm or more in a day) comes on about 0.9 days in September. Autumn storms (a gota fría, or DANA) can drop a month of rain in a day or two, then clear. For your actual dates, check the 14-day forecast from two weeks out.
What to pack for September
- Summer clothes for the day.
- A small umbrella or light waterproof: about 5.9 days have some rain.
- Sun cream (SPF 30 or more), a hat and sunglasses. The UV peaks around 6, which burns pale skin in under 30 minutes.
- Swimwear and something for your feet on the hot sand.
- Something windproof: about 2.9 days a month have gusts of 50 km/h (30 mph) or more.
September in Benidorm, year by year
The warmest September of the last ten years was 2026 (29.3°C on average). The coolest was 2017 (25.7°C). September 2026 was 2.1°C warmer than average, with 3 rain days.
| Year | Average day high | Rain days | Hottest day |
|---|---|---|---|
| 2016 | 29.0°C | 10 | 37.3°C |
| 2017 | 25.7°C | 3 | 29.7°C |
| 2018 | 27.0°C | 4 | 29.3°C |
| 2019 | 26.0°C | 8 | 29.0°C |
| 2020 | 26.7°C | 5 | 29.8°C |
| 2021 | 27.6°C | 6 | 30.8°C |
| 2022 | 28.3°C | 6 | 32.4°C |
| 2023 | 27.5°C | 6 | 30.7°C |
| 2024 | 26.6°C | 7 | 31.8°C |
| 2025 | 27.9°C | 4 | 31.3°C |
| 2026 | 29.3°C | 3 | 34.0°C |
Questions about Benidorm weather in September
Is Benidorm hot in September?
Warm, beach weather. The average day high in September is 27.2°C and the night low is 20.9°C (2016–2025). 86% of September days reach 25°C.
Is Benidorm warm in September?
Yes. Days average 27.2°C and nights 20.9°C, and the sea is about 26.1°C. 100% of September days from 2016 to 2025 reached 20°C.
What is the temperature in Benidorm in September?
The average high in September is 27.2°C and the average low is 20.9°C (2016–2025). The first ten days average 28.4°C by day and the last part of the month 25.9°C. The hottest September day in those ten years was 37.3°C (5 September 2016) and the coldest night 13.9°C (28 September 2020).
Is the sea warm enough to swim in September?
The sea in Benidorm averages 26.1°C in September. Warm. Most people swim for as long as they like.
Does it rain much in Benidorm in September?
About 5.9 days in September have 1 mm of rain or more, 42 mm in total on average. A week in September has a 28% chance of no rain day.
What is the weather like at the end of September?
From the 21st to the end of September, Benidorm averages 25.9°C by day and 19.8°C at night, with about 2.2 rain days.
How much warmer is Benidorm than the UK in September?
Benidorm's average September day high is 27.2°C, against 17.7°C in Manchester and 19.9°C in London: 9.5°C and 7.3°C warmer.
What is on, prices and events: Benidorm in September. ← August weather · October weather → · All months
Data: Open-Meteo.com (CC BY 4.0). Air: ERA5 reanalysis, daily, 2016–2025, for 38.54°N 0.13°W (Levante). Sea: Open-Meteo marine model, daily means from Nov 2022. UV: daily peak from Open-Meteo historical forecasts, 2022–2025. A "rain day" is a day with 1 mm or more. Model data covers a grid cell about 25 km wide, so it can count a few more drizzly days than a single weather station. Updated with data to 14 October 2026. Download the daily data (CSV).
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