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 signifies a subtle uplift in the average high-temperature, adjusting from an agreeable 21.3°C (70.3°F) in August to a moderately hot 25.5°C (77.9°F). Glenvista anticipates a considerable daily temperature fluctuation in September, with low temperatures averaging a cool 11.5°C (52.7°F).Humidity
The least humid month in Glenvista is September, with an average relative humidity of 34%.Rainfall
In September, the rain falls for 3.5 days. Throughout September, 7mm (0.28") of precipitation is accumulated. Throughout the year, there are 104.3 rainfall days, and 393mm (15.47") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 57min.On the first day of September in Glenvista, 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
In September, the average sunshine is 9.5h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Glenvista?
What is the least humid month in Glenvista?
What is the average humidity in September in Glenvista?
How many days does it rain in September in Glenvista?
How many hours of daylight does Glenvista have in September?
When is the sunrise / sunset in September in Glenvista?
How many hours of sunshine does Glenvista have in September?
What is the UV index intensity in September in Glenvista?
Average temperature in September
Glenvista, South Africa
- Average high temperature in September: 25.5°C
The warmest months (with the highest average high temperature) are January and December (27.3°C).
The month with the lowest average high temperature is July (17.7°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is December (16°C).
The coldest month (with the lowest average low temperature) is July (5.8°C).
Average pressure in September
Glenvista, South Africa
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is July (1024.8mbar).
The month with the lowest atmospheric pressure is January (1013.3mbar).
Average wind speed in September
Glenvista, South Africa
- Average wind speed in September: 11.8km/h
The windiest months (with the highest average wind speed) are September, October and November (11.8km/h).
The calmest month (with the lowest average wind speed) is May (8km/h).
Average humidity in September
Glenvista, 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
Glenvista, South Africa
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is December (85mm).
The driest months (with the least rainfall) are June, July and August (1mm).
Average rainfall days in September
Glenvista, South Africa
- Average rainfall days in September: 3.5 days
The month with the highest number of rainy days is December (18.4 days).
The month with the least rainy days is July (0.8 days).
Average daylight in September /
Average sunshine in September
Glenvista, 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: 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 30min).
Average sunshine days in September
Glenvista, South Africa
- Average sunshine days in September: 26 days
The month with the most sunshine days is July (30.1 days).
The month with the least sunshine days is December (8.6 days).
Average UV index in September
Glenvista, 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
Glenvista, South Africa
- Average cloud cover in September: 9
The month with the most cloud cover is January (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Glenvista, South Africa
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February and March (9km).
