Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The arrival of September sees an average high-temperature of a still warm 28.5°C (83.3°F), hardly diverging from August's 27.3°C (81.1°F). In Serejeka, September nights witness a steady temperature drop to a comfortable 19°C (66.2°F).Heat index
In September, the average heat index is estimated at 28°C (82.4°F). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for babies and toddlers. 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.
Humidity
In September, the average relative humidity is 43%.Rainfall
In Serejeka, Eritrea, during September, the rain falls for 10.1 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, in Serejeka, there are 145.8 rainfall days, and 658mm (25.91") of precipitation is accumulated.Daylight
The average length of the day in September in Serejeka is 12h and 13min.On the first day of September in Serejeka, sunrise is at 06:11 and sunset at 18:37. On the last day of the month, sunrise is at 06:14 and sunset at 18:14 EAT.
Sunshine
In September, the average sunshine is 9.6h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 6 during September translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Serejeka during September?
What is the average humidity in September in Serejeka?
How many days does it rain in September in Serejeka?
What is the average length of the day in September in Serejeka?
When is the sunrise / sunset in September in Serejeka?
How many hours of sunshine does Serejeka have in September?
What is the UV index reading in September in Serejeka?
Average temperature in September
Serejeka, Eritrea
- Average high temperature in September: 28.5°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°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
Serejeka, Eritrea
- Average pressure in September: 1009.9mbar
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
Serejeka, Eritrea
- Average wind speed in September: 8.3km/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
Serejeka, Eritrea
- Average humidity in September: 43%
The month with the highest relative humidity is December (63%).
The month with the lowest relative humidity is June (36%).
Average rainfall in September
Serejeka, 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
Serejeka, Eritrea
- Average rainfall days in September: 10.1 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
Serejeka, Eritrea
- Average daylight in September: 12h and 1min
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 4min
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
Serejeka, Eritrea
- Average sunshine days in September: 15.1 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
Serejeka, 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
Serejeka, Eritrea
- Average cloud cover in September: 11
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
Serejeka, 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).
