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 brings a slight increase in the average high-temperature, progressing from an agreeable 21.3°C (70.3°F) in August to a warm 26.1°C (79°F). Geysdorp experiences a dramatic descent in temperature during September, with the average nighttime reading settling at a cool 11.1°C (52°F).Humidity
With an average relative humidity of 29%, September is the least humid month in Geysdorp.Rainfall
In Geysdorp, during September, the rain falls for 2.6 days and regularly aggregates up to 3mm (0.12") of precipitation. Throughout the year, in Geysdorp, there are 94 rainfall days, and 337mm (13.27") of precipitation is accumulated.Daylight
In September, the average length of the day is 11h and 56min.On the first day of the month, sunrise is at 06:30 and sunset at 18:06. On the last day of September, sunrise is at 05:58 and sunset at 18:18 SAST.
Sunshine
In September, the average sunshine in Geysdorp is 10h.UV index
The average daily maximum UV index in September in Geysdorp is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 during September leads to these advisories:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the average September temperature in Geysdorp?
What is the least humid month in Geysdorp?
What is the average humidity in September in Geysdorp?
How many days does it rain in September in Geysdorp?
How many hours of daylight does Geysdorp have in September?
When are sunrise and sunset in September in Geysdorp?
How many hours of sunshine does Geysdorp have in September?
What is the UV index intensity in September in Geysdorp?
Average temperature in September
Geysdorp, South Africa
- Average high temperature in September: 26.1°C
The warmest month (with the highest average high temperature) is December (29.3°C).
The month with the lowest average high temperature is June (17.8°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is December (18.3°C).
The coldest month (with the lowest average low temperature) is July (5.6°C).
Average pressure in September
Geysdorp, South Africa
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is July (1024.5mbar).
The month with the lowest atmospheric pressure is January (1011.7mbar).
Average wind speed in September
Geysdorp, South Africa
- Average wind speed in September: 15km/h
The windiest months (with the highest average wind speed) are September and November (15km/h).
The calmest month (with the lowest average wind speed) is March (10.3km/h).
Average humidity in September
Geysdorp, South Africa
- Average humidity in September: 29%
The month with the highest relative humidity is February (58%).
The month with the lowest relative humidity is September (29%).
Average rainfall in September
Geysdorp, South Africa
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is December (74mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
Geysdorp, South Africa
- Average rainfall days in September: 2.6 days
The month with the highest number of rainy days is January (16.4 days).
The months with the least rainy days are July and August (1.2 days).
Average daylight in September /
Average sunshine in September
Geysdorp, 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: 10h and 0min
The months with the most sunshine are October and November (Average sunshine: 11h and 48min).
The months with the least sunshine are May and June (Average sunshine: 7h and 36min).
Average sunshine days in September
Geysdorp, South Africa
- Average sunshine days in September: 26.5 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is January (11.3 days).
Average UV index in September
Geysdorp, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, February, March, 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
Geysdorp, South Africa
- Average cloud cover in September: 8
The month with the most cloud cover is January (Cloud cover 21).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in September
Geysdorp, 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).
Geysdorp, South Africa
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