September weather forecast
Marrakesh, Morocco

September brings a slight retreat from the previous scorching summer months in Marrakesh, with temperatures beginning to wind down. The weather gradually begins to temper, with a decrease in the UV index and a small rise in relative humidity. Along with cooling temperatures, sunlight hours begin the journey downwards as Morocco approaches autumn. Despite the relaxation in the overall heat intensity, September still experiences a high daily mean temperature of 32.5°C (90.5°F) confirming the remaining summer warmth.

Temperature

Marrakesh's September weather shows a modest shift in high-temperatures, falling from August's very hot 36.5°C (97.7°F) to a hot 32.5°C (90.5°F). Marrakesh's average nighttime temperature descends significantly from the day's peak in September, settling at an enjoyable 18.2°C (64.8°F).

Heat index

September's mean heat index is appraised at a fiery hot 36°C (96.8°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

The average relative humidity in September in Marrakesh is 52%.

Rainfall

In September, in Marrakesh, Morocco, the rain falls for 2.8 days. Throughout September, 6mm (0.24") of precipitation is accumulated. In Marrakesh, during the entire year, the rain falls for 58.8 days and collects up to 281mm (11.06") of precipitation.

Daylight

In Marrakesh, Morocco, the average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 07:07 and sunset at 19:55. On the last day of the month, sunrise is at 07:25 and sunset at 19:18 +01.

Sunshine

The average sunshine in September in Marrakesh is 8.8h.

UV index

In September, the average daily maximum UV index is 9. A UV Index of 8 to 10 symbolizes a very high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 9 in September translates into the following recommendations:
Swift harm can befall unprotected skin and eyes. Prioritize safety. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Even on overcast days, apply and frequently reapply a sunscreen with SPF 30 or more, specifically after a swim or outdoor workout.