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
Weather in September
Temperature
The shift to September signals an average high-temperature of a still agreeable 21.2°C (70.2°F), subtly varied from August's 20.9°C (69.6°F). In Cwili, the September nights cool down to an average low of 15.2°C (59.4°F).Humidity
The average relative humidity in September in Cwili is 69%.Rainfall
In September, in Cwili, the rain falls for 10 days. Throughout September, 18mm (0.71") of precipitation is accumulated. Throughout the year, in Cwili, there are 140.9 rainfall days, and 352mm (13.86") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 54min.On the first day of the month, sunrise is at 06:23 and sunset at 17:49. On the last day of September, sunrise is at 05:44 and sunset at 18:08 SAST.
Sunshine
In Cwili, the average sunshine in September is 7.5h.UV index
The months with the lowest UV index in Cwili are March, May through November, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the usual temperature for Cwili in September?
What is the average humidity in September in Cwili?
How many days does it rain in September in Cwili?
How many hours of daylight does Cwili have in September?
When are sunrise and sunset in September in Cwili?
How many hours of sunshine does Cwili have in September?
What is the month with the lowest UV index in Cwili?
How high is the UV index in September in Cwili?
Average temperature in September
Cwili, 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
Cwili, 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
Cwili, 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
Cwili, 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
Cwili, 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
Cwili, 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
Cwili, 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
Cwili, 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
Cwili, 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
Cwili, 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
Cwili, 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).
Cwili, South Africa
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