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
September
Weather in September
Temperature
The beginning of September reveals an average high-temperature of an agreeable 20.1°C (68.2°F), showing minimal deviation from the previous month. During September, Boplaas records a consistent average nighttime temperature of 8.7°C (47.7°F).Humidity
In September, the average relative humidity in Boplaas is 62%.Rainfall
In Boplaas, in September, during 7 rainfall days, 14mm (0.55") of precipitation is typically accumulated. Throughout the year, there are 94.5 rainfall days, and 172mm (6.77") of precipitation is accumulated.Daylight
In September, the average length of the day is 11h and 54min.On the first day of the month, sunrise is at 06:48 and sunset at 18:13. On the last day of September, sunrise is at 06:08 and sunset at 18:33 SAST.
Sunshine
The average sunshine in September is 8.8h.UV index
The months with the lowest UV index are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Take precautions - Protection against sun damage is advised. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Boplaas in September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Boplaas have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Boplaas have in September?
When is the lowest UV index?
What is the UV index reading in September?
Average temperature in September
Boplaas, South Africa
- Average high temperature in September: 20.1°C
The warmest month (with the highest average high temperature) is February (28°C).
The month with the lowest average high temperature is June (16.8°C).
- Average low temperature in September: 8.7°C
The month with the highest average low temperature is February (16.3°C).
The coldest month (with the lowest average low temperature) is July (6.8°C).
Average pressure in September
Boplaas, South Africa
- Average pressure in September: 1018.9mbar
The month with the highest atmospheric pressure is July (1022.3mbar).
The month with the lowest atmospheric pressure is January (1013.3mbar).
Average wind speed in September
Boplaas, South Africa
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is June (11.5km/h).
The calmest month (with the lowest average wind speed) is April (9km/h).
Average humidity in September
Boplaas, South Africa
- Average humidity in September: 62%
The months with the highest relative humidity are January and March (64%).
The months with the lowest relative humidity are June and August (60%).
Average rainfall in September
Boplaas, South Africa
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is October (18mm).
The driest months (with the least rainfall) are March, May and December (11mm).
Average rainfall days in September
Boplaas, South Africa
- Average rainfall days in September: 7 days
The month with the highest number of rainy days is October (9.5 days).
The month with the least rainy days is July (6 days).
Average daylight in September /
Average sunshine in September
Boplaas, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are January and December (Average sunshine: 10h and 54min).
The months with the least sunshine are June and July (Average sunshine: 6h and 48min).
Average sunshine days in September
Boplaas, South Africa
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (17.8 days).
Average UV index in September
Boplaas, South Africa
- Average UV index in September: 4
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in September
Boplaas, South Africa
- Average cloud cover in September: 25
The month with the most cloud cover is October (Cloud cover 30).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Boplaas, South Africa
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (10km).
The months with the lowest visibility are May and July (9km).
