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 marginal temperature uplift, with average high-temperatures adjusting from August's agreeable 21.3°C (70.3°F) to a moderately hot 25.5°C (77.9°F). Wemmer reports a considerable drop from daytime temperatures in September, recording an average nighttime figure of 11.8°C (53.2°F).Humidity
September is the least humid month in Wemmer, with an average relative humidity of 34%.Rainfall
In Wemmer, South Africa, in September, it is raining for 2.6 days, with typically 6mm (0.24") of accumulated precipitation. Throughout the year, there are 77.6 rainfall days, and 262mm (10.31") of precipitation is accumulated.Daylight
In Wemmer, the average length of the day in September is 11h and 57min.On the first day of the month, sunrise is at 06:19 and sunset at 17:55. On the last day of September, in Wemmer, sunrise is at 05:47 and sunset at 18:07 SAST.
Sunshine
In Wemmer, the average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September in Wemmer is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What are September temperatures in Wemmer?
What is the least humid month in Wemmer?
What is the average humidity in September in Wemmer?
How many days does it rain in September in Wemmer?
What is the average length of the day in September in Wemmer?
When is the sunrise / sunset in September in Wemmer?
How long on average sun shines in September in Wemmer?
How high is the UV index in September in Wemmer?
Average temperature in September
Wemmer, South Africa
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is December (27.5°C).
The month with the lowest average high temperature is July (17.9°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is January (16.6°C).
The coldest month (with the lowest average low temperature) is July (6.1°C).
Average pressure in September
Wemmer, South Africa
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).
Average wind speed in September
Wemmer, South Africa
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is November (11.6km/h).
The calmest month (with the lowest average wind speed) is May (7.8km/h).
Average humidity in September
Wemmer, South Africa
- Average humidity in September: 34%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is September (34%).
Average rainfall in September
Wemmer, South Africa
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is January (57mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Wemmer, South Africa
- Average rainfall days in September: 2.6 days
The month with the highest number of rainy days is January (13.2 days).
The month with the least rainy days is July (1.4 days).
Average daylight in September /
Average sunshine in September
Wemmer, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is October (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).
Average sunshine days in September
Wemmer, South Africa
- Average sunshine days in September: 26.5 days
The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is January (16.3 days).
Average UV index in September
Wemmer, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, February, October and November (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Wemmer, South Africa
- Average cloud cover in September: 9
The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Wemmer, South Africa
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Wemmer, South Africa
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