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's arrival coincides with a marginal rise in the average high-temperature, moving from August's pleasant 20.8°C (69.4°F) to a moderately hot 25.1°C (77.2°F). Balfour experiences a significant contrast between daily highs and an average nighttime temperature of 11.2°C (52.2°F) during September.Humidity
The least humid month in Balfour is September, with an average relative humidity of 35%.Rainfall
In Balfour, during September, the rain falls for 4 days and regularly aggregates up to 10mm (0.39") of precipitation. In Balfour, during the entire year, the rain falls for 120.9 days and collects up to 449mm (17.68") of precipitation.Daylight
In September, the average length of the day is 11h and 56min.On the first day of September, sunrise is at 06:17 and sunset at 17:53. On the last day of the month, sunrise is at 05:45 and sunset at 18:05 SAST.
Sunshine
In Balfour, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 5 during September translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Balfour in September?
What is the least humid month in Balfour?
What is the average humidity in September in Balfour?
How many days does it rain in September in Balfour?
How many hours of daylight does Balfour have in September?
What time are sunrise and sunset in September in Balfour?
How many hours of sunshine does Balfour have in September?
How high is the UV index in September in Balfour?
Average temperature in September
Balfour, South Africa
- Average high temperature in September: 25.1°C
The warmest month (with the highest average high temperature) is January (26.6°C).
The month with the lowest average high temperature is July (17.3°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is December (15.5°C).
The coldest month (with the lowest average low temperature) is July (5.2°C).
Average pressure in September
Balfour, South Africa
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is July (1024.8mbar).
The month with the lowest atmospheric pressure is January (1013.6mbar).
Average wind speed in September
Balfour, South Africa
- Average wind speed in September: 12.1km/h
The windiest months (with the highest average wind speed) are September and October (12.1km/h).
The calmest months (with the lowest average wind speed) are March and May (8.3km/h).
Average humidity in September
Balfour, South Africa
- Average humidity in September: 35%
The months with the highest relative humidity are January and February (68%).
The month with the lowest relative humidity is September (35%).
Average rainfall in September
Balfour, South Africa
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is December (93mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Balfour, South Africa
- Average rainfall days in September: 4 days
The month with the highest number of rainy days is January (20.4 days).
The month with the least rainy days is June (1.5 days).
Average daylight in September /
Average sunshine in September
Balfour, 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 2min
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 24min).
Average sunshine days in September
Balfour, South Africa
- Average sunshine days in September: 25.2 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in September
Balfour, 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
Balfour, South Africa
- Average cloud cover in September: 10
The month with the most cloud cover is January (Cloud cover 30).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in September
Balfour, South Africa
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March and December (9km).
Balfour, South Africa
Weather forecast for your location
2. Allow the app to use your location