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 is marked by an average high-temperature of a still pleasant 21.9°C (71.4°F), almost identical to the preceding month. In Umbumbulu, September nights cool down to an average of 16°C (60.8°F).Humidity
In September, the average relative humidity in Umbumbulu is 74%.Rainfall
In Umbumbulu, in September, during 13.8 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, there are 177.7 rainfall days, and 573mm (22.56") of precipitation is accumulated.Daylight
In September, the average length of the day in Umbumbulu, South Africa, is 11h and 55min.On the first day of the month, sunrise is at 06:11 and sunset at 17:42. On the last day of September, in Umbumbulu, sunrise is at 05:36 and sunset at 17:58 SAST.
Sunshine
The average sunshine in September is 6.8h.UV index
In September, the average daily maximum UV index in Umbumbulu is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Umbumbulu in September?
What is the average humidity in September in Umbumbulu?
How many days does it rain in September in Umbumbulu?
How many hours of daylight does Umbumbulu have in September?
When are sunrise and sunset in September in Umbumbulu?
How many hours of sunshine does Umbumbulu have in September?
What is the UV index intensity in September in Umbumbulu?
Average temperature in September
Umbumbulu, South Africa
- Average high temperature in September: 21.9°C
The warmest month (with the highest average high temperature) is February (26.2°C).
The month with the lowest average high temperature is July (20.9°C).
- Average low temperature in September: 16°C
The month with the highest average low temperature is February (20.6°C).
The coldest month (with the lowest average low temperature) is July (14.3°C).
Average pressure in September
Umbumbulu, South Africa
- Average pressure in September: 1018.9mbar
The month with the highest atmospheric pressure is July (1023.1mbar).
The month with the lowest atmospheric pressure is January (1014.2mbar).
Average wind speed in September
Umbumbulu, South Africa
- Average wind speed in September: 15.5km/h
The windiest month (with the highest average wind speed) is October (16.6km/h).
The calmest month (with the lowest average wind speed) is May (12.8km/h).
Average humidity in September
Umbumbulu, 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 (63%).
Average rainfall in September
Umbumbulu, South Africa
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is November (80mm).
The driest month (with the least rainfall) is June (12mm).
Average rainfall days in September
Umbumbulu, South Africa
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is June (6.1 days).
Average daylight in September /
Average sunshine in September
Umbumbulu, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 0min).
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 36min).
The month with the least sunshine is April (Average sunshine: 5h and 54min).
Average sunshine days in September
Umbumbulu, South Africa
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is June (21.3 days).
The month with the least sunshine days is December (5.7 days).
Average UV index in September
Umbumbulu, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, February, March and December (UV index 6).
The month with the lowest UV index is October (UV index 4).
Average cloud cover in September
Umbumbulu, South Africa
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in September
Umbumbulu, 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).
Umbumbulu, South Africa
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