September weather forecast
Alexandria, Egypt

September in Alexandria marks the beginning of the end of the hot summer season with slightly relaxed temperatures. A shift in weather is evident with a decrease in average temperature to 29.6°C (85.3°F) from 30.4°C (86.7°F) in August. The city is dominated by dry weather, intermittent spells of sunshine, and a gentle decline in daylight hours. Pleasant mornings and evenings accompany the steady drop in temperature. The weather in October continues along a cooling trajectory but at a quicker pace.

Temperature

September commences with an average high-temperature of a moderately hot 29.6°C (85.3°F), showing little deviation from August's 30.4°C (86.7°F). Alexandria's average low-temperature during September nights is observed to be an agreeable 21.3°C (70.3°F).

Heat index

The heat index in September is appraised at a hot 33°C (91.4°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity in Alexandria is 67%.

Rainfall

In Alexandria, in September, during 0.2 rainfall days, 1mm (0.04") of precipitation is typically accumulated. Throughout the year, there are 46.8 rainfall days, and 196mm (7.72") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 27.3°C (81.1°F).
Note: For any water activity, having surface water temperatures from 25°C (77°F) to 29°C (84.2°F) is considered outstanding and highly delightful for lengthened periods.

Daylight

In Alexandria, the average length of the day in September is 12h and 21min.
On the first day of September in Alexandria, sunrise is at 6:36 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:46 pm EEST.

Sunshine

The average sunshine in September in Alexandria is 9.9h.

UV index

The average daily maximum UV index in September in Alexandria is 9. A UV Index reading of 8 to 10 represents a very high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a daily maximum UV index of 9 leads to the following instructions:
Always prioritize safety measures. Rapid harm can befall unprotected skin and eyes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Despite the cloudy weather, sunscreen with a sun protection factor of at least 30 should be liberally applied and reapplied, including after a swim or outdoor activity. Heads up! UV intensity is amplified by reflections from water and sand.