The return of rainfall marks the onset of autumn in
September with a noticeable increase from the almost nonexistent 3mm (0.12") in
August. Temperature-wise, it sits squarely between the hotter August and cooler
October. Daylight hours start to recede gradually, indicating the regaining momentum of shorter days. Despite a moderate increase in rainfall, September holds onto lingering summer warmth. The presence of decent sea temperatures promotes beach visits and various water activities during September— the start of a transition from
Tangier’s hot summer to its cooler months.
Temperature
Tangier's average high-temperature marks a warm 27.7°C (81.9°F) with the advent of September, closely mirroring that of the preceding month. The nighttime temperature in Tangier dips to an enjoyable 18.8°C (65.8°F) on average during September.
Rainfall
In Tangier, during September, the rain falls for 3.1 days and regularly aggregates up to 15mm (0.59") of precipitation. In Tangier, during the entire year, the rain falls for 87.6 days and collects up to 736mm (28.98") of precipitation.
Sea temperature
In September, the average sea temperature in Tangier is 22.4°C (72.3°F).
Note: The allure of a swim in 22.4°C (72.3°F) waters can be influenced by your feelings towards the cold, today's sunshine, the wind's touch, and the ambient warmth. To put it in perspective, Olympic standards demand water temperatures of 25°C (77°F) to 28°C (82.4°F).
Daylight
In September, the average length of the day in Tangier is 12h and 24min.
On the first day of September, sunrise is at 06:55 and sunset at 19:50. On the last day of the month, sunrise is at 07:17 and sunset at 19:08 +01.
Sunshine
In Tangier,
Morocco, the average sunshine in September is 9.2h.
UV index
In Tangier, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 7 in September translates into the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take note! The UV strength of the Sun elevates when reflected off water and sand.