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
As August transitions into September, a subtle temperature shift is observed, with average highs adjusting from an agreeable 21.3°C (70.3°F) to a moderately hot 25.4°C (77.7°F). Throughout September nights, Primrose reports a steady thermal contrast from the day, with an average low-temperature of 11.6°C (52.9°F).Humidity
The least humid month in Primrose is September, with an average relative humidity of 34%.Rainfall
In Primrose, in September, during 3.8 rainfall days, 9mm (0.35") of precipitation is typically accumulated. Throughout the year, in Primrose, there are 117 rainfall days, and 425mm (16.73") of precipitation is accumulated.Daylight
The average length of the day in September in Primrose is 11h and 57min.On the first day of September in Primrose, sunrise is at 06:19 and sunset at 17:55. On the last day of the month, sunrise is at 05:47 and sunset at 18:07 SAST.
Sunshine
The average sunshine in September is 9.5h.UV index
In Primrose, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What are September temperatures in Primrose?
What is the least humid month in Primrose?
What is the average humidity in September in Primrose?
How many days does it rain in September in Primrose?
What is the average length of the day in September in Primrose?
When is the sunrise / sunset in September in Primrose?
How many hours of sunshine does Primrose have in September?
What is the UV index reading in September in Primrose?
Average temperature in September
Primrose, South Africa
- Average high temperature in September: 25.4°C
The warmest months (with the highest average high temperature) are January, February and December (27.2°C).
The month with the lowest average high temperature is July (17.6°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is January (16.2°C).
The coldest month (with the lowest average low temperature) is July (6°C).
Average pressure in September
Primrose, South Africa
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is July (1024.7mbar).
The month with the lowest atmospheric pressure is January (1013.3mbar).
Average wind speed in September
Primrose, South Africa
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is November (11.7km/h).
The calmest month (with the lowest average wind speed) is May (8km/h).
Average humidity in September
Primrose, South Africa
- Average humidity in September: 34%
The month with the highest relative humidity is February (65%).
The month with the lowest relative humidity is September (34%).
Average rainfall in September
Primrose, South Africa
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is December (86mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Primrose, South Africa
- Average rainfall days in September: 3.8 days
The month with the highest number of rainy days is January (19.8 days).
The month with the least rainy days is July (1.5 days).
Average daylight in September /
Average sunshine in September
Primrose, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in September: 9h and 3min
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
Primrose, South Africa
- Average sunshine days in September: 24.8 days
The months with the most sunshine days are July and August (28.8 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in September
Primrose, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, 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
Primrose, South Africa
- Average cloud cover in September: 9
The month with the most cloud cover is January (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Primrose, South Africa
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).
Primrose, South Africa
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