South AfricaThe weather in September in Blue Lagoon
It's warm in September in Blue Lagoon with an average temperature of 23°C. Temperatures this month range from a low of 20°C to a high of 26°C. At night, you can expect temperatures between 13°C and 16°C.
Looking for great weather? September is a good time to be in Blue Lagoon. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Blue Lagoon, South Africa. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 38°C in 2022, Blue Lagoon reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 14°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 21°C.
Rainfall amount
In September, there is an average of 69 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in September for Blue Lagoon
Click on any day in September to get detailed info about the usual weather on that day in Blue Lagoon. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Blue Lagoon | New York | |
|---|---|---|
| Average temperature | 23°C | 27°C |
| Max. temperature | 26°C | 31°C |
| Min. temperature | 13°C | -5°C |
| Total precipitation | 69 mm | 57 mm |
| Rainy days | 11 days | 9 days |
Start of September
The month of September starts in Blue Lagoon with warm temps, averaging around 24°C during the day and nights around 14°C.
Mid September
By mid-September, daytime temps stay steady at around 24°C, with nights around 15°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in Blue Lagoon is around 24°C, while nighttime temps are about 15°C. A shower might pop up, but overall, the weather will be dry and sunny.
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Blue Lagoon for all months and discover the best travel time
Curious about the weather in other parts of South Africa? Check out the climate and weather for spots like Cape Town, Krugerpark, Johannesburg, or explore other destinations in South Africa.
Temperature charts
These charts show the average temperatures in September in Blue Lagoon, South Africa. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Blue Lagoon
Temperature in September in Blue Lagoon over the years
Precipitation charts
These charts show the average amount of precipitation in September in Blue Lagoon, South Africa. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Blue Lagoon
Total precipitation in September in Blue Lagoon over the years
Daily UV index in September in Blue Lagoon
This chart shows the average daily UV index in September in Blue Lagoon, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Blue Lagoon
Have you been to Blue Lagoon in September?
Share your weather experience in September in Blue Lagoon.
Average weather in Blue Lagoon by month
Click on a month below to see detailed weather info for Blue Lagoon. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.