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 unfolding of September shows an average high-temperature of a still pleasant 21.2°C (70.2°F), indicating a slight variance from August's 20.9°C (69.6°F). Zwelitsha, during the month of September, experiences an average low-temperature of 15.2°C (59.4°F).Humidity
In September, the average relative humidity is 69%.Rainfall
In Zwelitsha, during September, the rain falls for 10 days and regularly aggregates up to 18mm (0.71") of precipitation. In Zwelitsha, during the entire year, the rain falls for 140.9 days and collects up to 352mm (13.86") of precipitation.Daylight
In September, the average length of the day is 11h and 54min.On the first day of the month, sunrise is at 06:26 and sunset at 17:53. On the last day of September, sunrise is at 05:48 and sunset at 18:12 SAST.
Sunshine
The average sunshine in September in Zwelitsha is 7.5h.UV index
The months with the lowest UV index are March, May through November, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Act with care - The need to guard against sun damage is communicated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Zwelitsha have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Zwelitsha have in September?
When is the lowest UV index?
What is the UV index intensity in September?
Average temperature in September
Zwelitsha, South Africa
- Average high temperature in September: 21.2°C
The warmest month (with the highest average high temperature) is February (25.7°C).
The month with the lowest average high temperature is July (20.8°C).
- Average low temperature in September: 15.2°C
The month with the highest average low temperature is February (20.3°C).
The coldest month (with the lowest average low temperature) is July (14.2°C).
Average pressure in September
Zwelitsha, South Africa
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is July (1022.5mbar).
The month with the lowest atmospheric pressure is January (1013.8mbar).
Average wind speed in September
Zwelitsha, South Africa
- Average wind speed in September: 20.5km/h
The windiest month (with the highest average wind speed) is October (20.7km/h).
The calmest month (with the lowest average wind speed) is May (16.8km/h).
Average humidity in September
Zwelitsha, South Africa
- Average humidity in September: 69%
The months with the highest relative humidity are January and December (78%).
The month with the lowest relative humidity is June (58%).
Average rainfall in September
Zwelitsha, South Africa
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is February (44mm).
The driest month (with the least rainfall) is May (14mm).
Average rainfall days in September
Zwelitsha, South Africa
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is December (15.9 days).
The month with the least rainy days is June (6.3 days).
Average daylight in September /
Average sunshine in September
Zwelitsha, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is November (Average sunshine: 8h and 42min).
The month with the least sunshine is April (Average sunshine: 6h and 18min).
Average sunshine days in September
Zwelitsha, South Africa
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is June (21.8 days).
The month with the least sunshine days is December (12.5 days).
Average UV index in September
Zwelitsha, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, February, April and December (UV index 6).
The months with the lowest UV index are March, May, June, July, August, September, October and November (UV index 5).
Average cloud cover in September
Zwelitsha, South Africa
- Average cloud cover in September: 36
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 20).
Average visibility in September
Zwelitsha, South Africa
- 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).
