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
September
Weather in September
Temperature
September introduces a minor temperature shift, with average high-temperatures adjusting from August's agreeable 20.7°C (69.3°F) to a moderately hot 24.7°C (76.5°F). Ariamsvlei anticipates a considerable drop in temperature at night in September, with an average low of 11.3°C (52.3°F).Humidity
In September, the average relative humidity is 31%.Rainfall
The months with the least rainfall are July through September Rain falls for 1.1 days and accumulates 1mm (0.04") of rain.Daylight
In Ariamsvlei, the average length of the day in September is 11h and 56min.On the first day of the month, sunrise is at 06:53 and sunset at 18:27. On the last day of September, sunrise is at 06:20 and sunset at 18:40 CAT.
Sunshine
In Ariamsvlei, the average sunshine in September is 9.8h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
How many hours of daylight does Ariamsvlei have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Ariamsvlei have in September?
What is the UV index intensity in September?
Average temperature in September
Ariamsvlei, Namibia
- Average high temperature in September: 24.7°C
The warmest month (with the highest average high temperature) is January (34.3°C).
The month with the lowest average high temperature is June (18.3°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is February (21.1°C).
The coldest month (with the lowest average low temperature) is July (7.4°C).
Average pressure in September
Ariamsvlei, Namibia
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is July (1022.8mbar).
The month with the lowest atmospheric pressure is January (1010.8mbar).
Average wind speed in September
Ariamsvlei, Namibia
- Average wind speed in September: 14.5km/h
The windiest month (with the highest average wind speed) is November (16.5km/h).
The calmest month (with the lowest average wind speed) is May (12km/h).
Average humidity in September
Ariamsvlei, Namibia
- Average humidity in September: 31%
The month with the highest relative humidity is June (46%).
The month with the lowest relative humidity is November (25%).
Average rainfall in September
Ariamsvlei, Namibia
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is February (12mm).
The driest months (with the least rainfall) are July, August and September (1mm).
Average rainfall days in September
Ariamsvlei, Namibia
- Average rainfall days in September: 1.1 days
The month with the highest number of rainy days is February (5.1 days).
The month with the least rainy days is November (0.8 days).
Average daylight in September /
Average sunshine in September
Ariamsvlei, Namibia
- 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 months with the most sunshine are November and December (Average sunshine: 12h and 6min).
The month with the least sunshine is June (Average sunshine: 7h and 24min).
Average sunshine days in September
Ariamsvlei, Namibia
- Average sunshine days in September: 28.7 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is February (21.7 days).
Average UV index in September
Ariamsvlei, Namibia
- Average UV index in September: 5
The months with the highest UV index are January, February, November 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
Ariamsvlei, Namibia
- Average cloud cover in September: 8
The month with the most cloud cover is June (Cloud cover 11).
The month with the least cloud cover is December (Cloud cover 5).
Average visibility in September
Ariamsvlei, Namibia
- 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).
