September weather forecastAredda, Eritrea
September
Weather in September
In September, there is a noticeable drop in humidity levels, making the weather more comfortable. Temperatures start to decrease gradually, creating a pleasant climate. Rainfall sees a significant reduction, marking the retreat of the wet season. Despite a slight decrease in daylight hours, ample sunshine brightens the majority of the days. The weather in September records a marked decrease in rainfall to 14mm (0.55"), signaling the end of the wet season.Temperature
As September arrives, Aredda's weather shows a minor increase in high-temperatures, edging from August's hot 32.1°C (89.8°F) to a torrid 35.5°C (95.9°F). September nights in Aredda are marked by an average temperature drop to a moderately hot 26.3°C (79.3°F).Heat index
September's heat index is evaluated at a sweltering 38°C (100.4°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Note that heat index values are valued for light wind and location in the shade. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The average relative humidity in September in Aredda is 40%.Rainfall
In Aredda, in September, it is raining for 6.9 days, with typically 14mm (0.55") of accumulated precipitation. Throughout the year, in Aredda, Eritrea, there are 59.6 rainfall days, and 185mm (7.28") of precipitation is accumulated.Daylight
The average length of the day in September in Aredda, Eritrea, is 12h and 13min.On the first day of September, sunrise is at 06:17 and sunset at 18:41. On the last day of the month, sunrise is at 06:19 and sunset at 18:19 EAT.
Sunshine
In Aredda, Eritrea, the average sunshine in September is 9.8h.UV index
March through June, September and October, with an average maximum UV index of 8, are months with the highest UV index. A UV Index reading of 8 to 10 represents a very high health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 8 in September translates into these instructions:
Skin and eyes are vulnerable without protection. Ensure you always take precautions. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Aredda, Eritrea
- Average high temperature in September: 35.5°C
The warmest months (with the highest average high temperature) are April and May (39.1°C).
The month with the lowest average high temperature is August (32.1°C).
- Average low temperature in September: 26.3°C
The month with the highest average low temperature is May (28.3°C).
The coldest month (with the lowest average low temperature) is January (20°C).
Average pressure in September
Aredda, Eritrea
- Average pressure in September: 1010.1mbar
The month with the highest atmospheric pressure is January (1012.8mbar).
The month with the lowest atmospheric pressure is April (1008.4mbar).
Average wind speed in September
Aredda, Eritrea
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is July (10.2km/h).
The calmest month (with the lowest average wind speed) is September (8.1km/h).
Average humidity in September
Aredda, Eritrea
- Average humidity in September: 40%
The month with the highest relative humidity is August (59%).
The month with the lowest relative humidity is May (24%).
Average rainfall in September
Aredda, Eritrea
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is August (96mm).
The driest months (with the least rainfall) are January, February, November and December (0mm).
Average rainfall days in September
Aredda, Eritrea
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is August (19.6 days).
The months with the least rainy days are January and February (0.1 days).
Average daylight in September /
Average sunshine in September
Aredda, 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 48min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days in September
Aredda, Eritrea
- Average sunshine days in September: 20.8 days
The month with the most sunshine days is January (30.8 days).
The month with the least sunshine days is August (9.7 days).
Average UV index in September
Aredda, Eritrea
- Average UV index in September: 8
The months with the highest UV index are March, April, May, June, September and October (UV index 8).
The months with the lowest UV index are January, February, July, August, November and December (UV index 7).
Average cloud cover in September
Aredda, Eritrea
- Average cloud cover in September: 12
The month with the most cloud cover is August (Cloud cover 33).
The months with the least cloud cover are January, February and December (Cloud cover 2).
Average visibility in September
Aredda, 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).








