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 snowfall 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 signifies a subtle uplift in the average high-temperature, adjusting from a comfortable 18.2°C (64.8°F) in August to a pleasant 22.4°C (72.3°F). During September, De Aar notes a substantial drop from the daytime peak to an average minimum temperature of 9.9°C (49.8°F).Humidity
In De Aar, the average relative humidity in September is 30%.Rainfall
In De Aar, in September, it is raining for 2.7 days, with typically 4mm (0.16") of accumulated precipitation. Throughout the year, in De Aar, there are 59.7 rainfall days, and 168mm (6.61") of precipitation is accumulated.Snowfall
January through June, September through December are months without snowfall in De Aar.Daylight
In September, the average length of the day in De Aar is 11h and 55min.On the first day of September in De Aar, sunrise is at 06:38 and sunset at 18:08. On the last day of the month, sunrise is at 06:02 and sunset at 18:25 SAST.
Sunshine
In De Aar, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September in De Aar is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 5 in September transforms into this advice:
Exercise prevention - Precautions against solar damage are endorsed. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the temperature in September in De Aar?
What is the average humidity in September in De Aar?
How much does it rain in De Aar in September?
When it does not snow in De Aar?
Does it snow in De Aar in September?
How many hours of daylight does De Aar have in September?
When are sunrise and sunset in September in De Aar?
How long on average sun shines in September in De Aar?
What is the UV index reading in September in De Aar?
Average temperature in September
De Aar, South Africa
- Average high temperature in September: 22.4°C
The warmest month (with the highest average high temperature) is January (31.2°C).
The month with the lowest average high temperature is June (15.2°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is January (19.5°C).
The coldest month (with the lowest average low temperature) is July (4.9°C).
Average pressure in September
De Aar, South Africa
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is July (1024.1mbar).
The month with the lowest atmospheric pressure is January (1010.8mbar).
Average wind speed in September
De Aar, South Africa
- Average wind speed in September: 16.6km/h
The windiest month (with the highest average wind speed) is November (19km/h).
The calmest month (with the lowest average wind speed) is May (13.1km/h).
Average humidity in September
De Aar, South Africa
- Average humidity in September: 30%
The month with the highest relative humidity is June (50%).
The month with the lowest relative humidity is November (29%).
Average rainfall in September
De Aar, South Africa
- Average rainfall in September: 4mm
The wettest month (with the highest rainfall) is February (32mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in September
De Aar, South Africa
- Average rainfall days in September: 2.7 days
The month with the highest number of rainy days is February (9.3 days).
The month with the least rainy days is August (2.1 days).
Average snowfall days in September
De Aar, South Africa
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are July and August (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
De Aar, 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: 9h and 3min
The month with the most sunshine is December (Average sunshine: 12h and 0min).
The months with the least sunshine are May, June and July (Average sunshine: 7h and 30min).
Average sunshine days in September
De Aar, South Africa
- Average sunshine days in September: 26.7 days
The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is February (16.7 days).
Average UV index in September
De Aar, South Africa
- Average UV index in September: 5
The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
De Aar, South Africa
- Average cloud cover in September: 12
The month with the most cloud cover is April (Cloud cover 15).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in September
De Aar, 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).
De Aar, South Africa
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