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's onset is marked by a subtle temperature increase, moving from a pleasant 21.1°C (70°F) in August to a moderately hot 25.8°C (78.4°F). Hennenman records a pronounced decline from the day's peak to an average nighttime low-temperature of 10.8°C (51.4°F) throughout September.Humidity
The least humid month in Hennenman, South Africa, is September, with an average relative humidity of 30%.Rainfall
In Hennenman, in September, it is raining for 3.1 days, with typically 6mm (0.24") of accumulated precipitation. In Hennenman, South Africa, during the entire year, the rain falls for 73.3 days and collects up to 192mm (7.56") of precipitation.Daylight
In September, the average length of the day is 11h and 56min.On the first day of the month, sunrise is at 06:25 and sunset at 17:58. On the last day of September, sunrise is at 05:51 and sunset at 18:12 SAST.
Sunshine
In September, the average sunshine is 9.8h.UV index
In Hennenman, South Africa, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Take precautions - Protection against sun damage is advised. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Hennenman?
What is the least humid month in Hennenman?
What is the average humidity in September in Hennenman?
How much does it rain in Hennenman in September?
How many hours of daylight does Hennenman have in September?
When are sunrise and sunset in September in Hennenman?
How many hours of sunshine does Hennenman have in September?
What is the UV index reading in September in Hennenman?
Average temperature in September
Hennenman, South Africa
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is January (30.2°C).
The month with the lowest average high temperature is June (17.3°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is January (18.6°C).
The coldest month (with the lowest average low temperature) is July (5.5°C).
Average pressure in September
Hennenman, South Africa
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is July (1025mbar).
The month with the lowest atmospheric pressure is January (1012.4mbar).
Average wind speed in September
Hennenman, South Africa
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is November (14.4km/h).
The calmest month (with the lowest average wind speed) is May (9km/h).
Average humidity in September
Hennenman, South Africa
- Average humidity in September: 30%
The month with the highest relative humidity is February (53%).
The month with the lowest relative humidity is September (30%).
Average rainfall in September
Hennenman, South Africa
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is January (33mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in September
Hennenman, South Africa
- Average rainfall days in September: 3.1 days
The month with the highest number of rainy days is January (11.9 days).
The month with the least rainy days is July (1.4 days).
Average daylight in September /
Average sunshine in September
Hennenman, 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 month with the most sunshine is November (Average sunshine: 11h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).
Average sunshine days in September
Hennenman, South Africa
- Average sunshine days in September: 26.3 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is February (15.3 days).
Average UV index in September
Hennenman, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Hennenman, South Africa
- Average cloud cover in September: 10
The months with the most cloud cover are January and February (Cloud cover 19).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in September
Hennenman, 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).
Hennenman, South Africa
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