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
September introduces a minor temperature shift, with average high-temperatures adjusting from August's pleasant 21.3°C (70.3°F) to a moderately hot 26.1°C (79°F). Despite higher daytime temperatures, nighttime averages fall to a cool 11.7°C (53.1°F) in September.Humidity
The least humid month is September, with an average relative humidity of 25%.Rainfall
The months with the least rainfall are August and September Rain falls for 2.8 days and accumulates 3mm (0.12") of rain.Daylight
The average length of the day in September in Valspan is 11h and 56min.On the first day of September in Valspan, sunrise is at 06:33 and sunset at 18:07. On the last day of the month, sunrise is at 06:00 and sunset at 18:20 SAST.
Sunshine
The average sunshine in September in Valspan is 9.8h.UV index
In September, the average daily maximum UV index in Valspan is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 during September translates into the following guidance:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What are September temperatures in Valspan?
What is the least humid month in Valspan?
What is the average humidity in September in Valspan?
What is the driest month in Valspan?
How many days does it rain in September in Valspan?
How many hours of daylight does Valspan have in September?
What time are sunrise and sunset in September in Valspan?
How many hours of sunshine does Valspan have in September?
How high is the UV index in September in Valspan?
Average temperature in September
Valspan, South Africa
- Average high temperature in September: 26.1°C
The warmest months (with the highest average high temperature) are January and December (32.3°C).
The month with the lowest average high temperature is June (17.6°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is January (21.6°C).
The coldest month (with the lowest average low temperature) is July (6.8°C).
Average pressure in September
Valspan, South Africa
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is July (1024.4mbar).
The month with the lowest atmospheric pressure is January (1010.5mbar).
Average wind speed in September
Valspan, South Africa
- Average wind speed in September: 16.2km/h
The windiest month (with the highest average wind speed) is November (18.2km/h).
The calmest month (with the lowest average wind speed) is May (12.3km/h).
Average humidity in September
Valspan, South Africa
- Average humidity in September: 25%
The month with the highest relative humidity is June (44%).
The month with the lowest relative humidity is September (25%).
Average rainfall in September
Valspan, South Africa
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is April (32mm).
The driest months (with the least rainfall) are August and September (3mm).
Average rainfall days in September
Valspan, South Africa
- Average rainfall days in September: 2.8 days
The month with the highest number of rainy days is February (10.3 days).
The month with the least rainy days is July (1.4 days).
Average daylight in September /
Average sunshine in September
Valspan, 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: 9h and 5min
The months with the most sunshine are January and November (Average sunshine: 11h and 54min).
The months with the least sunshine are May, June and July (Average sunshine: 7h and 36min).
Average sunshine days in September
Valspan, South Africa
- Average sunshine days in September: 26.3 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is February (15.6 days).
Average UV index in September
Valspan, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, February, November and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Valspan, South Africa
- Average cloud cover in September: 9
The month with the most cloud cover is February (Cloud cover 17).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in September
Valspan, 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).
Valspan, South Africa
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