September weather forecastAsmara, Eritrea

September
Weather in September
September brings a shift to Asmara, Eritrea's weather compared to the preceding two months. There is a significant decrease in rainfall, now tallying at 32mm (1.26"). The pressure increases to 1010mb, indicating stable weather conditions. The wind speed is maintained at a moderate pace of 8km/h (5mph). Outdoor activities start picking pace, thanks to the lower precipitation and the promise of 12.2 hours of daylight and 9.7 hours of sunshine.Temperature
Entering September in Asmara, the average high-temperature is recorded at a still moderately hot 28.9°C (84°F), exhibiting a minimal shift from August's 27.3°C (81.1°F). In the month of September, Asmara records a consistent average low-temperature of 19.2°C (66.6°F).Heat index
September's average heat index is evaluated at 29°C (84.2°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Know that the heat index computations account for shaded terrains and slight winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In Asmara, Eritrea, the average relative humidity in September is 42%.Rainfall
In September, the rain falls for 9.5 days. Throughout September, 32mm (1.26") of precipitation is accumulated. Throughout the year, in Asmara, there are 145.2 rainfall days, and 658mm (25.91") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 13min.On the first day of the month, sunrise is at 06:11 and sunset at 18:36. On the last day of September, in Asmara, sunrise is at 06:13 and sunset at 18:14 EAT.
Sunshine
In September, the average sunshine is 9.7h.UV index
The average daily maximum UV index in September in Asmara is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, a regular UV index of 6 translates into these guidelines:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Asmara, Eritrea
- Average high temperature in September: 28.9°C
The warmest month (with the highest average high temperature) is June (30.5°C).
The month with the lowest average high temperature is December (23.1°C).
- Average low temperature in September: 19.2°C
The month with the highest average low temperature is June (21.1°C).
The coldest month (with the lowest average low temperature) is January (14°C).
Average pressure in September
Asmara, Eritrea
- Average pressure in September: 1010mbar
The month with the highest atmospheric pressure is January (1013.8mbar).
The month with the lowest atmospheric pressure is June (1008.9mbar).
Average wind speed in September
Asmara, Eritrea
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is July (11.1km/h).
The calmest month (with the lowest average wind speed) is November (7.7km/h).
Average humidity in September
Asmara, Eritrea
- Average humidity in September: 42%
The month with the highest relative humidity is December (63%).
The month with the lowest relative humidity is June (36%).
Average rainfall in September
Asmara, Eritrea
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is July (150mm).
The driest month (with the least rainfall) is January (9mm).
Average rainfall days in September
Asmara, Eritrea
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (26.8 days).
The month with the least rainy days is February (5.6 days).
Average daylight in September /
Average sunshine in September
Asmara, Eritrea
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).
Average sunshine days in September
Asmara, Eritrea
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is January (22.1 days).
The months with the least sunshine days are July and August (1.7 days).
Average UV index in September
Asmara, Eritrea
- Average UV index in September: 6
The month with the highest UV index is May (UV index 7).
The months with the lowest UV index are January, November and December (UV index 5).
Average cloud cover in September
Asmara, Eritrea
- Average cloud cover in September: 10
The month with the most cloud cover is July (Cloud cover 29).
The months with the least cloud cover are February and March (Cloud cover 9).
Average visibility in September
Asmara, Eritrea
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





