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 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
In Riet Vlei, the onset of September comes with a modest high-temperature shift, transitioning from August's enjoyable 18.2°C (64.8°F) to a pleasant 22.3°C (72.1°F). Riet Vlei experiences a significant reduction from daytime highs with an average low-temperature of 8.4°C (47.1°F) in September.Humidity
The least humid month is September, with an average relative humidity of 33%.Rainfall
In Riet Vlei, during September, the rain falls for 4.9 days and regularly aggregates up to 10mm (0.39") of precipitation. In Riet Vlei, during the entire year, the rain falls for 107.2 days and collects up to 417mm (16.42") of precipitation.Snowfall
In Riet Vlei, snow does not fall in January through May, July through December.Daylight
In Riet Vlei, the average length of the day in September is 11h and 55min.On the first day of September in Riet Vlei, sunrise is at 06:25 and sunset at 17:55. On the last day of the month, sunrise is at 05:49 and sunset at 18:11 SAST.
Sunshine
The average sunshine in September in Riet Vlei is 9.5h.UV index
In Riet Vlei, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What are September temperatures in Riet Vlei?
What is the least humid month in Riet Vlei?
What is the average humidity in September in Riet Vlei?
How much does it rain in Riet Vlei in September?
When it does not snow in Riet Vlei?
How many hours of daylight does Riet Vlei have in September?
When is the sunrise / sunset in September in Riet Vlei?
How many hours of sunshine does Riet Vlei have in September?
How high is the UV index in September in Riet Vlei?
Average temperature in September
Riet Vlei, Lesotho
- Average high temperature in September: 22.3°C
The warmest month (with the highest average high temperature) is January (28°C).
The month with the lowest average high temperature is June (14.7°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is January (16.7°C).
The coldest month (with the lowest average low temperature) is July (3.1°C).
Average pressure in September
Riet Vlei, Lesotho
- Average pressure in September: 1018.8mbar
The month with the highest atmospheric pressure is July (1025.2mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in September
Riet Vlei, Lesotho
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is November (13.3km/h).
The calmest month (with the lowest average wind speed) is May (8.1km/h).
Average humidity in September
Riet Vlei, Lesotho
- Average humidity in September: 33%
The months with the highest relative humidity are February and April (55%).
The month with the lowest relative humidity is September (33%).
Average rainfall in September
Riet Vlei, Lesotho
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is December (72mm).
The driest months (with the least rainfall) are July and August (6mm).
Average rainfall days in September
Riet Vlei, Lesotho
- Average rainfall days in September: 4.9 days
The month with the highest number of rainy days is January (16.1 days).
The month with the least rainy days is July (3 days).
Average snowfall in September
Riet Vlei, Lesotho
- Average snowfall in September: 0mm
The month with the highest snowfall is June (2mm).
The months with the least snowfall are January, February, March, April, May, July, August, September, October, November and December (0mm).
Average snowfall days in September
Riet Vlei, Lesotho
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is June (0.4 days).
The months with the least snowfall days are January, February, March, April, May, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Riet Vlei, Lesotho
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 0min).
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 November (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).
Average sunshine days in September
Riet Vlei, Lesotho
- Average sunshine days in September: 23.5 days
The month with the most sunshine days is July (27.4 days).
The month with the least sunshine days is January (11.4 days).
Average UV index in September
Riet Vlei, Lesotho
- Average UV index in September: 4
The months with the highest UV index are January, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover in September
Riet Vlei, Lesotho
- Average cloud cover in September: 13
The month with the most cloud cover is February (Cloud cover 20).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in September
Riet Vlei, Lesotho
- 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).
Riet Vlei, Lesotho
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