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
September's arrival brings an average high-temperature of a still pleasant 21.4°C (70.5°F), slightly deviating from August's 21.1°C (70°F). Southbroom notes an average temperature descent to a comfortable 16.4°C (61.5°F) in September, a small shift from its daytime peak.Humidity
The average relative humidity in September is 74%.Rainfall
In Southbroom, in September, it is raining for 14.5 days, with typically 34mm (1.34") of accumulated precipitation. In Southbroom, during the entire year, the rain falls for 188 days and collects up to 592mm (23.31") of precipitation.Daylight
In Southbroom, the average length of the day in September is 11h and 55min.On the first day of the month, sunrise is at 06:14 and sunset at 17:43. On the last day of September, sunrise is at 05:37 and sunset at 17:59 SAST.
Sunshine
The average sunshine in September is 6.9h.UV index
May through November, 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 health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Undertake precautions - Guarding against sun damage is counselled. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September in Southbroom?
How many hours of daylight does Southbroom have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in Southbroom?
What is the month with the lowest UV index?
What is the UV index intensity in September?
Average temperature in September
Southbroom, South Africa
- Average high temperature in September: 21.4°C
The warmest month (with the highest average high temperature) is February (25.7°C).
The month with the lowest average high temperature is July (20.4°C).
- Average low temperature in September: 16.4°C
The month with the highest average low temperature is February (20.9°C).
The coldest month (with the lowest average low temperature) is July (14.8°C).
Average pressure in September
Southbroom, South Africa
- Average pressure in September: 1018.8mbar
The month with the highest atmospheric pressure is July (1023mbar).
The month with the lowest atmospheric pressure is January (1014.1mbar).
Average wind speed in September
Southbroom, South Africa
- Average wind speed in September: 19km/h
The windiest month (with the highest average wind speed) is October (19.8km/h).
The calmest month (with the lowest average wind speed) is May (15.3km/h).
Average humidity in September
Southbroom, South Africa
- Average humidity in September: 74%
The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is June (62%).
Average rainfall in September
Southbroom, South Africa
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is June (14mm).
Average rainfall days in September
Southbroom, South Africa
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is December (22.1 days).
The month with the least rainy days is June (7.8 days).
Average daylight in September /
Average sunshine in September
Southbroom, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is February (Average sunshine: 8h and 42min).
The month with the least sunshine is April (Average sunshine: 6h and 0min).
Average sunshine days in September
Southbroom, South Africa
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is June (20.1 days).
The month with the least sunshine days is December (3.8 days).
Average UV index in September
Southbroom, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April and December (UV index 6).
The months with the lowest UV index are May, June, July, August, September, October and November (UV index 5).
Average cloud cover in September
Southbroom, South Africa
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in September
Southbroom, South Africa
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August and September (10km).
The months with the lowest visibility are January, October, November and December (9km).
