September weather forecastDebre Selam, Ethiopia

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Debre Selam, Ethiopia, with an average temperature varying between 28.9°C (84°F) and 17.1°C (62.8°F).

Temperature

Debre Selam commences September with an average high-temperature of a still moderately hot 28.9°C (84°F), maintaining a close resemblance to the previous month. Debre Selam's nighttime temperature in September drops to an average of 17.1°C (62.8°F).

Heat index

The heat index in September is evaluated at a tropical 30°C (86°F). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are extremely significant for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In September, the average relative humidity is 57%.

Rainfall

In Debre Selam, in September, it is raining for 21.1 days, with typically 65mm (2.56") of accumulated precipitation. In Debre Selam, during the entire year, the rain falls for 158.9 days and collects up to 514mm (20.24") of precipitation.

Daylight

In September, the average length of the day is 12h and 10min.
On the first day of the month, sunrise is at 06:11 and sunset at 18:27. On the last day of September, in Debre Selam, sunrise is at 06:07 and sunset at 18:10 EAT.

Sunshine

The average sunshine in September is 9.6h.

UV index

January through October, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 6 translates into these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

In Debre Selam, in September, the average high-temperature is 28.9°C (84°F), and the average low-temperature is 17.1°C (62.8°F). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is evaluated at 30°C (86°F).

In Debre Selam, the average relative humidity in September is 57%.

In Debre Selam, during September, the rain falls for 21.1 days and regularly aggregates up to 65mm (2.56") of precipitation.

The average day length in September is 12h and 10min.

On the first day of September, sunrise is at 06:11 and sunset at 18:27. On the last day of the month, sunrise is at 06:07 and sunset at 18:10 EAT.

In Debre Selam, the average sunshine duration in September is 9.6h.

January through October, with an average maximum UV index of 6, are months with the highest UV index in Debre Selam.

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Debre Selam, Ethiopia

  • Average high temperature in September: 28.9°C

The warmest month (with the highest average high temperature) is June (31.4°C).
The month with the lowest average high temperature is December (25.5°C).

  • Average low temperature in September: 17.1°C

The month with the highest average low temperature is June (19.2°C).
The coldest month (with the lowest average low temperature) is December (13.2°C).

Average pressure in September
Debre Selam, Ethiopia

  • Average pressure in September: 1013.7mbar

The month with the highest atmospheric pressure is December (1016mbar).
The month with the lowest atmospheric pressure is June (1012.8mbar).

Average wind speed in September
Debre Selam, Ethiopia

  • Average wind speed in September: 7.1km/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 December (6.5km/h).

Average humidity in September
Debre Selam, Ethiopia

  • Average humidity in September: 57%

The month with the highest relative humidity is August (60%).
The months with the lowest relative humidity are February and March (46%).

Average rainfall in September
Debre Selam, Ethiopia

  • Average rainfall in September: 65mm

The wettest month (with the highest rainfall) is August (101mm).
The driest month (with the least rainfall) is January (5mm).

Average rainfall days in September
Debre Selam, Ethiopia

  • Average rainfall days in September: 21.1 days

The month with the highest number of rainy days is August (27.3 days).
The month with the least rainy days is December (3 days).

Average daylight in September /
Average sunshine in September
Debre Selam, Ethiopia

  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in September: 9h and 36min

The months with the most sunshine are February, May and June (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 30min).

Average sunshine days in September
Debre Selam, Ethiopia

  • Average sunshine days in September: 2.4 days

The month with the most sunshine days is December (27.2 days).
The month with the least sunshine days is August (2 days).

Average UV index in September
Debre Selam, Ethiopia

  • Average UV index in September: 6

The months with the highest UV index are January, February, March, April, May, June, July, August, September and October (UV index 6).
The months with the lowest UV index are November and December (UV index 5).

Average cloud cover in September
Debre Selam, Ethiopia

  • Average cloud cover in September: 18

The month with the most cloud cover is August (Cloud cover 23).
The month with the least cloud cover is January (Cloud cover 10).

Average visibility in September
Debre Selam, Ethiopia

  • 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).