September weather forecastNganzi, Angola
September
Weather in September
The first month of the spring, September, is still a warm month in Nganzi, Angola, with an average temperature fluctuating between 25.4°C (77.7°F) and 22.4°C (72.3°F).Temperature
Nganzi's transition from August to September introduces an average high-temperature of a still moderately hot 25.4°C (77.7°F), marking an insignificant variation from the 24.3°C (75.7°F). During September, Nganzi's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at a pleasant 22.4°C (72.3°F).Humidity
The months with the highest humidity are May through October and December, with an average relative humidity of 83%.Rainfall
In September, the rain falls for 13.8 days. Throughout September, 19mm (0.75") of precipitation is accumulated. Throughout the year, there are 205.6 rainfall days, and 861mm (33.9") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 5min.On the first day of the month, sunrise is at 06:10 and sunset at 18:10. On the last day of September, in Nganzi, Angola, sunrise is at 05:55 and sunset at 18:05 WAT.
Sunshine
September has the least sunshine of the year, with an average of 6.5h of sunshine.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 unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nganzi, Angola
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is March (29.8°C).
The month with the lowest average high temperature is August (24.3°C).
- Average low temperature in September: 22.4°C
The month with the highest average low temperature is March (26.2°C).
The coldest month (with the lowest average low temperature) is July (20.9°C).
Average pressure in September
Nganzi, Angola
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is July (1014.4mbar).
The months with the lowest atmospheric pressure are February and March (1009.8mbar).
Average wind speed in September
Nganzi, Angola
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is October (12.8km/h).
The calmest month (with the lowest average wind speed) is January (9.9km/h).
Average humidity in September
Nganzi, Angola
- Average humidity in September: 83%
The months with the highest relative humidity are May, June, July, August, September, October and December (83%).
The months with the lowest relative humidity are February and March (81%).
Average rainfall in September
Nganzi, Angola
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is December (160mm).
The driest months (with the least rainfall) are June and July (3mm).
Average rainfall days in September
Nganzi, Angola
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is December (24.8 days).
The month with the least rainy days is June (4.3 days).
Average daylight in September /
Average sunshine in September
Nganzi, Angola
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in September: 6h and 30min
The month with the most sunshine is May (Average sunshine: 8h and 36min).
The month with the least sunshine is September (Average sunshine: 6h and 30min).
Average sunshine days in September
Nganzi, Angola
- Average sunshine days in September: 8.9 days
The month with the most sunshine days is June (21.1 days).
The month with the least sunshine days is November (3.6 days).
Average UV index in September
Nganzi, Angola
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April and November (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in September
Nganzi, Angola
- Average cloud cover in September: 56
The month with the most cloud cover is October (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 37).
Average visibility in September
Nganzi, Angola
- 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).





