September brings slightly cooler weather to Zumaia Beach, but the temperatures remain pleasant and the sea is still warm enough for swimming, snorkeling, and diving. Sunbathing is still enjoyable, although the days begin to shorten. Windsurfing and kitesurfing may become more popular again, as the winds start to pick up towards the end of the month. Also consider one of our other suggestions for September.
In September, the number of visitors starts to decrease as the summer season comes to an end. The beach is still moderately crowded, particularly during weekends and the local San Telmo festival on September 8th.
The average maximum temperature in Zumaia Beach in September is 23°. The average maximum temperature is 24° in the previous month and 21° in the next month.
The average temperature in Zumaia Beach in September is 19°. The average temperature ranges is 21° in the previous month and 17° in the next month.
The average minimum temperature in Zumaia Beach in September is 16°. The minimum temperature is 18° in the previous month and 13° in the next month.
The average day light hours per day in Zumaia Beach in September are 12.5 and there are 5.9 hours of sunshine per day on average during September making it a sunny month that is overcast at times.
The ultraviolet index in Zumaia Beach in September is typically 6 during September. An ultraviolet index reading of 6 to 7 indicates a high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 20 minutes. Protection against skin and eye damage is needed. Tanning will be safest before 10am and after 4pm. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in Zumaia Beach in September is 23.2° which is warm and pleasant for relaxing and swimming for long periods.
The average total rainfall in Zumaia Beach in September is 0.1cm and on average there are 10.1 rainy days in September making it a slightly wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Zumaia Beach in September is 17° which is OK for most but slightly uncomfortable for some. The dew point is 18° in the previous month and 14° in the next month.
The average maximum relative humidity in Zumaia Beach in September is typically 91.6%. The maximum relative humidity is 89.8% in the previous month and 89.9% in the next month.
The average relative humidity in Zumaia Beach in September is typically 74.8%. The average relative humidity is 73.3% in the previous month and 72.1% in the next month.
The average maximum wind speed in Zumaia Beach in September is typically 15kmh. The average maximum wind speed is 15kmh in the previous month and 19kmh in the next month.
The average wind speed in Zumaia Beach in September is typically 7kmh. The average wind speed is 7kmh in the previous month and 9kmh in the next month.
The average wind direction in Zumaia Beach in September is from the North-Northwest.
