September weather forecastVirei, Angola
September
Weather in September
The first month of the spring, September, is still a warm month in Virei, Angola, with an average temperature varying between 13.7°C (56.7°F) and 29.6°C (85.3°F).Temperature
In Virei, Angola, September is the month with the highest recorded average temperatures, measuring a high of 29.6°C (85.3°F) and a low of 13.7°C (56.7°F).Heat index
The average heat index in September is appraised at a tropical 30°C (86°F). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.The heat index's values are generally associated with conditions in shade and light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In September, the average relative humidity in Virei is 48%.Rainfall
In September, in Virei, Angola, the rain falls for 5.2 days. Throughout September, 22mm (0.87") of precipitation is accumulated. In Virei, Angola, during the entire year, the rain falls for 170.5 days and collects up to 1898mm (74.72") of precipitation.Daylight
The average length of the day in September is 12h and 1min.On the first day of September in Virei, sunrise is at 06:13 and sunset at 18:02. On the last day of the month, sunrise is at 05:50 and sunset at 18:05 WAT.
Sunshine
The average sunshine in September is 10.9h.UV index
August and September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 during September translates into the following guidance:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Virei, Angola
- Average high temperature in September: 29.6°C
The warmest month (with the highest average high temperature) is September (29.6°C).
The months with the lowest average high temperature are January and March (23.3°C).
- Average low temperature in September: 13.7°C
The month with the highest average low temperature is November (16.5°C).
The coldest months (with the lowest average low temperature) are June and July (10.4°C).
Average pressure in September
Virei, Angola
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is July (1016mbar).
The months with the lowest atmospheric pressure are February and November (1011.2mbar).
Average wind speed in September
Virei, Angola
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is July (7.9km/h).
The calmest month (with the lowest average wind speed) is February (4.9km/h).
Average humidity in September
Virei, Angola
- Average humidity in September: 48%
The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is August (38%).
Average rainfall in September
Virei, Angola
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is March (366mm).
The driest months (with the least rainfall) are June and July (0mm).
Average rainfall days in September
Virei, Angola
- Average rainfall days in September: 5.2 days
The month with the highest number of rainy days is March (26.7 days).
The months with the least rainy days are June and July (0.1 days).
Average daylight in September /
Average sunshine in September
Virei, Angola
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 10h and 54min
The month with the most sunshine is October (Average sunshine: 11h and 36min).
The month with the least sunshine is March (Average sunshine: 7h and 0min).
Average sunshine days in September
Virei, Angola
- Average sunshine days in September: 23.7 days
The month with the most sunshine days is July (30.9 days).
The month with the least sunshine days is March (3.7 days).
Average UV index in September
Virei, Angola
- Average UV index in September: 6
The months with the highest UV index are August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, October, November and December (UV index 5).
Average cloud cover in September
Virei, Angola
- Average cloud cover in September: 9
The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are June and July (Cloud cover 2).
Average visibility in September
Virei, Angola
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January and March (7km).
