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 22.5°C (72.5°F) to a warm 26.5°C (79.7°F). Louisvale registers a marked temperature plunge to a fresh 12.7°C (54.9°F) during the cool September nights.Humidity
In September, the average relative humidity is 25%.Rainfall
In Louisvale, South Africa, in September, during 2.3 rainfall days, 3mm (0.12") of precipitation is typically accumulated. In Louisvale, during the entire year, the rain falls for 43.6 days and collects up to 89mm (3.5") of precipitation.Daylight
In Louisvale, South Africa, the average length of the day in September is 11h and 56min.On the first day of the month, sunrise is at 06:48 and sunset at 18:21. On the last day of September, in Louisvale, sunrise is at 06:14 and sunset at 18:35 SAST.
Sunshine
In September, the average sunshine in Louisvale is 9.7h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Louisvale in September?
What is the average humidity in September in Louisvale?
How much does it rain in Louisvale in September?
What is the average length of the day in September in Louisvale?
When is the sunrise / sunset in September in Louisvale?
How long on average sun shines in September in Louisvale?
What is the UV index reading in September in Louisvale?
Average temperature in September
Louisvale, South Africa
- Average high temperature in September: 26.5°C
The warmest month (with the highest average high temperature) is January (35°C).
The month with the lowest average high temperature is June (19.7°C).
- Average low temperature in September: 12.7°C
The months with the highest average low temperature are January and February (22.8°C).
The coldest month (with the lowest average low temperature) is July (8.4°C).
Average pressure in September
Louisvale, South Africa
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is July (1023.2mbar).
The month with the lowest atmospheric pressure is January (1009.7mbar).
Average wind speed in September
Louisvale, South Africa
- Average wind speed in September: 15.6km/h
The windiest month (with the highest average wind speed) is November (17.3km/h).
The calmest month (with the lowest average wind speed) is March (14km/h).
Average humidity in September
Louisvale, South Africa
- Average humidity in September: 25%
The month with the highest relative humidity is June (41%).
The month with the lowest relative humidity is November (21%).
Average rainfall in September
Louisvale, South Africa
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is February (21mm).
The driest month (with the least rainfall) is August (1mm).
Average rainfall days in September
Louisvale, South Africa
- Average rainfall days in September: 2.3 days
The month with the highest number of rainy days is February (8.2 days).
The month with the least rainy days is August (0.9 days).
Average daylight in September /
Average sunshine in September
Louisvale, South Africa
- 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 4min
The month with the most sunshine is December (Average sunshine: 12h and 6min).
The month with the least sunshine is June (Average sunshine: 7h and 30min).
Average sunshine days in September
Louisvale, South Africa
- Average sunshine days in September: 27.6 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is February (17.3 days).
Average UV index in September
Louisvale, South Africa
- Average UV index in September: 6
The month with the highest UV index is December (UV index 8).
The month with the lowest UV index is July (UV index 4).
Average cloud cover in September
Louisvale, South Africa
- Average cloud cover in September: 9
The month with the most cloud cover is February (Cloud cover 13).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in September
Louisvale, 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).
