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
September, noted for its average high-temperature of 30.1°C (86.2°F) and an average low-temperature of 15.4°C (59.7°F), is considered the warmest month.Humidity
The average relative humidity in September is 37%.Rainfall
In Cassumbe, during September, the rain falls for 5.4 days and regularly aggregates up to 13mm (0.51") of precipitation. In Cassumbe, during the entire year, the rain falls for 193.2 days and collects up to 1451mm (57.13") of precipitation.Daylight
In September, the average length of the day is 12h and 2min.On the first day of September, sunrise is at 05:56 and sunset at 17:50. On the last day of the month, sunrise is at 05:37 and sunset at 17:49 WAT.
Sunshine
With an average of 9.9h of sunshine, September has the most sunshine of the year.UV index
August through October, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 6 during September leads to these instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest?
How hot is September in Cassumbe?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Cassumbe have in September?
When is the sunrise / sunset in September?
What month has the most sunshine?
How many hours of sunshine does Cassumbe have in September?
When is the highest UV index?
How high is the UV index in September?
Average temperature in September
Cassumbe, Angola
- Average high temperature in September: 30.1°C
The warmest month (with the highest average high temperature) is September (30.1°C).
The month with the lowest average high temperature is December (23.2°C).
- Average low temperature in September: 15.4°C
The month with the highest average low temperature is October (16.4°C).
The coldest month (with the lowest average low temperature) is June (8.9°C).
Average pressure in September
Cassumbe, Angola
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is June (1017.8mbar).
The month with the lowest atmospheric pressure is October (1012.2mbar).
Average wind speed in September
Cassumbe, Angola
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is August (8.5km/h).
The calmest month (with the lowest average wind speed) is March (6.3km/h).
Average humidity in September
Cassumbe, Angola
- Average humidity in September: 37%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (29%).
Average rainfall in September
Cassumbe, Angola
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is December (286mm).
The driest months (with the least rainfall) are June and July (0mm).
Average rainfall days in September
Cassumbe, Angola
- Average rainfall days in September: 5.4 days
The month with the highest number of rainy days is December (30.5 days).
The month with the least rainy days is July (0.1 days).
Average daylight in September /
Average sunshine in September
Cassumbe, Angola
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is September (Average sunshine: 9h and 54min).
The months with the least sunshine are June and July (Average sunshine: 7h and 42min).
Average sunshine days in September
Cassumbe, Angola
- Average sunshine days in September: 22.3 days
The month with the most sunshine days is July (30.9 days).
The month with the least sunshine days is December (0.4 days).
Average UV index in September
Cassumbe, Angola
- Average UV index in September: 6
The months with the highest UV index are August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, November and December (UV index 5).
Average cloud cover in September
Cassumbe, Angola
- Average cloud cover in September: 6
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in September
Cassumbe, Angola
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The month with the lowest visibility is December (6km).
