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
Steynsdorp notes an average high-temperature of a warm 25.1°C (77.2°F) in September, displaying minor variation from August. Despite the high peak temperatures, Steynsdorp witnesses an average nighttime cooling to a fresh 12.5°C (54.5°F) in September.Humidity
In Steynsdorp, the average relative humidity in September is 59%.Rainfall
In September, in Steynsdorp, the rain falls for 8.3 days. Throughout September, 20mm (0.79") of precipitation is accumulated. In Steynsdorp, during the entire year, the rain falls for 167.8 days and collects up to 715mm (28.15") of precipitation.Daylight
In Steynsdorp, the average length of the day in September is 11h and 57min.On the first day of the month, sunrise is at 06:07 and sunset at 17:43. On the last day of September, in Steynsdorp, sunrise is at 05:36 and sunset at 17:55 SAST.
Sunshine
In Steynsdorp, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 5 in September leads to these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the usual temperature for Steynsdorp in September?
What is the average humidity in September in Steynsdorp?
How much does it rain in Steynsdorp in September?
What is the average length of the day in September in Steynsdorp?
What time are sunrise and sunset in September in Steynsdorp?
How many hours of sunshine does Steynsdorp have in September?
How high is the UV index in September in Steynsdorp?
Average temperature in September
Steynsdorp, South Africa
- Average high temperature in September: 25.1°C
The warmest month (with the highest average high temperature) is December (26.2°C).
The months with the lowest average high temperature are June and July (20.3°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is January (16.6°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).
Average pressure in September
Steynsdorp, South Africa
- Average pressure in September: 1019.3mbar
The month with the highest atmospheric pressure is July (1024.2mbar).
The month with the lowest atmospheric pressure is January (1014mbar).
Average wind speed in September
Steynsdorp, South Africa
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is September (8.3km/h).
The calmest month (with the lowest average wind speed) is March (6.2km/h).
Average humidity in September
Steynsdorp, South Africa
- Average humidity in September: 59%
The months with the highest relative humidity are January, February and March (83%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Steynsdorp, South Africa
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is December (134mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in September
Steynsdorp, South Africa
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is December (24 days).
The month with the least rainy days is June (3.4 days).
Average daylight in September /
Average sunshine in September
Steynsdorp, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is November (Average sunshine: 9h and 0min).
The month with the least sunshine is April (Average sunshine: 6h and 24min).
Average sunshine days in September
Steynsdorp, South Africa
- Average sunshine days in September: 18 days
The month with the most sunshine days is June (25.7 days).
The month with the least sunshine days is December (4.5 days).
Average UV index in September
Steynsdorp, South Africa
- Average UV index in September: 5
The months with the highest UV index are January and November (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Steynsdorp, South Africa
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in September
Steynsdorp, South Africa
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (6km).
Steynsdorp, South Africa
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