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 sea temperature 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 onset of September manifests an average high-temperature of a still refreshing 18.5°C (65.3°F), demonstrating a minor variation from the preceding month. An average low-temperature of 12.5°C (54.5°F) is observed during the September nights.Humidity
In September, the average relative humidity in Vleesbaai is 72%.Rainfall
In Vleesbaai, in September, during 10.5 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, there are 131.2 rainfall days, and 289mm (11.38") of precipitation is accumulated.Sea temperature
In Vleesbaai, the average seawater temperature in September is 16.5°C (61.7°F).Note: For most people, a water temperature of 16.5°C (61.7°F) is not conducive to enjoyable swimming. Breathing control becomes harder as the water temperature dips below 21°C (69.8°F).
Daylight
In Vleesbaai, the average length of the day in September is 11h and 53min.On the first day of September, sunrise is at 06:50 and sunset at 18:14. On the last day of the month, sunrise is at 06:09 and sunset at 18:34 SAST.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Vleesbaai, South Africa, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Take necessary precautions - Defending against sun damage is advocated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What are September temperatures in Vleesbaai?
What is the average humidity in September in Vleesbaai?
How much does it rain in Vleesbaai in September?
What is the sea water temperature in September in Vleesbaai?
How many hours of daylight does Vleesbaai have in September?
When are sunrise and sunset in September in Vleesbaai?
How long on average sun shines in September in Vleesbaai?
What is the UV index intensity in September in Vleesbaai?
Average temperature in September
Vleesbaai, South Africa
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is February (23.8°C).
The month with the lowest average high temperature is July (17.6°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is February (18.6°C).
The coldest months (with the lowest average low temperature) are July and August (11.8°C).
Average pressure in September
Vleesbaai, South Africa
- Average pressure in September: 1018.9mbar
The month with the highest atmospheric pressure is July (1021.9mbar).
The month with the lowest atmospheric pressure is February (1013.7mbar).
Average wind speed in September
Vleesbaai, South Africa
- Average wind speed in September: 15.9km/h
The windiest months (with the highest average wind speed) are October and November (16.8km/h).
The calmest month (with the lowest average wind speed) is May (13.3km/h).
Average humidity in September
Vleesbaai, South Africa
- Average humidity in September: 72%
The month with the highest relative humidity is February (77%).
The months with the lowest relative humidity are June and July (67%).
Average rainfall in September
Vleesbaai, South Africa
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is June (38mm).
The driest month (with the least rainfall) is December (13mm).
Average rainfall days in September
Vleesbaai, South Africa
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is October (12.5 days).
The month with the least rainy days is May (9.2 days).
Average sea temperature in September
Vleesbaai, South Africa
- Average sea temperature in September: 16.5°C
The best month for swimming (with the highest average sea temperature) is January (21°C).
The coldest month (with the lowest average sea temperature) is July (16°C).
Average daylight in September /
Average sunshine in September
Vleesbaai, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are January and November (Average sunshine: 10h and 0min).
The months with the least sunshine are June and July (Average sunshine: 6h and 36min).
Average sunshine days in September
Vleesbaai, South Africa
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is May (18.9 days).
The month with the least sunshine days is February (15 days).
Average UV index in September
Vleesbaai, South Africa
- Average UV index in September: 5
The months with the highest UV index are February and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in September
Vleesbaai, South Africa
- Average cloud cover in September: 30
The month with the most cloud cover is October (Cloud cover 36).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in September
Vleesbaai, 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).
Vleesbaai, South Africa
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