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 shift into September reveals an average high-temperature of a moderately hot 23.3°C (73.9°F), closely mirroring August's climate. An average nighttime temperature of 19.3°C (66.7°F) marks September.Humidity
In September, the average relative humidity in Saint Lucia Estuary is 74%.Rainfall
In Saint Lucia Estuary, South Africa, during September, the rain falls for 13.3 days and regularly aggregates up to 31mm (1.22") of precipitation. In Saint Lucia Estuary, during the entire year, the rain falls for 196.2 days and collects up to 699mm (27.52") of precipitation.Sea temperature
In Saint Lucia Estuary, South Africa, the average seawater temperature in September is 22.6°C (72.7°F).Note: If someone is sensitive to cold, the enjoyment of swimming in 22.6°C (72.7°F) water hinges on factors like sunshine, wind, and the current air temperature. (For context: Olympic swimming competitions are held in water temperatures of 25°C (77°F) to 28°C (82.4°F).)
Daylight
In September, the average length of the day in Saint Lucia Estuary, South Africa, is 11h and 56min.On the first day of September, sunrise is at 06:03 and sunset at 17:36. On the last day of the month, sunrise is at 05:29 and sunset at 17:50 SAST.
Sunshine
The average sunshine in September is 6.9h.UV index
July, September and October, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Attention! The combination of sand and water reflections enhances UV ray intensity.
Frequently asked questions
What are September temperatures in Saint Lucia Estuary?
What is the average humidity in September in Saint Lucia Estuary?
How many days does it rain in September in Saint Lucia Estuary?
What is the water temperature in September in Saint Lucia Estuary?
What is the average length of the day in September in Saint Lucia Estuary?
When are sunrise and sunset in September in Saint Lucia Estuary?
How long on average sun shines in September in Saint Lucia Estuary?
What is the month with the lowest UV index in Saint Lucia Estuary?
How high is the UV index in September in Saint Lucia Estuary?
Average temperature in September
Saint Lucia Estuary, South Africa
- Average high temperature in September: 23.3°C
The warmest month (with the highest average high temperature) is February (27.2°C).
The month with the lowest average high temperature is July (21.9°C).
- Average low temperature in September: 19.3°C
The month with the highest average low temperature is February (23.7°C).
The coldest month (with the lowest average low temperature) is July (18°C).
Average pressure in September
Saint Lucia Estuary, South Africa
- Average pressure in September: 1019mbar
The month with the highest atmospheric pressure is July (1023mbar).
The month with the lowest atmospheric pressure is January (1013.4mbar).
Average wind speed in September
Saint Lucia Estuary, South Africa
- Average wind speed in September: 24.9km/h
The windiest month (with the highest average wind speed) is October (25.2km/h).
The calmest month (with the lowest average wind speed) is March (20.2km/h).
Average humidity in September
Saint Lucia Estuary, South Africa
- Average humidity in September: 74%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is June (68%).
Average rainfall in September
Saint Lucia Estuary, South Africa
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is December (90mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in September
Saint Lucia Estuary, South Africa
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is December (21.8 days).
The month with the least rainy days is June (9.6 days).
Average sea temperature in September
Saint Lucia Estuary, South Africa
- Average sea temperature in September: 22.6°C
The best month for swimming (with the highest average sea temperature) is February (27.2°C).
The coldest month (with the lowest average sea temperature) is August (21.7°C).
Average daylight in September /
Average sunshine in September
Saint Lucia Estuary, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is February (Average sunshine: 8h and 48min).
The month with the least sunshine is April (Average sunshine: 5h and 48min).
Average sunshine days in September
Saint Lucia Estuary, South Africa
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is June (18.3 days).
The month with the least sunshine days is November (6.4 days).
Average UV index in September
Saint Lucia Estuary, South Africa
- Average UV index in September: 5
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are July, September and October (UV index 5).
Average cloud cover in September
Saint Lucia Estuary, South Africa
- Average cloud cover in September: 41
The months with the most cloud cover are November and December (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 22).
Average visibility in September
Saint Lucia Estuary, 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).
Saint Lucia Estuary, South Africa
Weather forecast for your location
2. Allow the app to use your location
