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
Annadale's transition into September sees a mild rise in the average high-temperature, edging from a pleasant 22.7°C (72.9°F) in August to a warm 26.2°C (79.2°F). A sharp divergence from daytime highs is noted during the month of September, with the average nighttime temperature settling at a fresh 12.7°C (54.9°F).Humidity
With an average relative humidity of 46%, September is the least humid month.Rainfall
In Annadale, in September, it is raining for 3.6 days, with typically 6mm (0.24") of accumulated precipitation. Throughout the year, in Annadale, South Africa, there are 124.8 rainfall days, and 509mm (20.04") of precipitation is accumulated.Daylight
In September, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 06:12 and sunset at 17:51. On the last day of September, in Annadale, sunrise is at 05:42 and sunset at 18:01 SAST.
Sunshine
The average sunshine in September in Annadale, South Africa, is 8.8h.UV index
January through March, September through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 suggests this advice:
Shun overexposure. Protection from sun ravages is indispensable. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. 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 is the usual temperature for Annadale in September?
What is the least humid month in Annadale?
What is the average humidity in September in Annadale?
How many days does it rain in September in Annadale?
How many hours of daylight does Annadale have in September?
What time are sunrise and sunset in September in Annadale?
How many hours of sunshine does Annadale have in September?
What are the months with the highest UV index in Annadale?
What is the UV index intensity in September in Annadale?
Average temperature in September
Annadale, South Africa
- Average high temperature in September: 26.2°C
The warmest month (with the highest average high temperature) is October (27.2°C).
The month with the lowest average high temperature is July (19.3°C).
- Average low temperature in September: 12.7°C
The month with the highest average low temperature is December (17.4°C).
The coldest month (with the lowest average low temperature) is July (7.1°C).
Average pressure in September
Annadale, South Africa
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is July (1024.1mbar).
The month with the lowest atmospheric pressure is January (1012.7mbar).
Average wind speed in September
Annadale, South Africa
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is October (12.8km/h).
The calmest month (with the lowest average wind speed) is May (7.2km/h).
Average humidity in September
Annadale, South Africa
- Average humidity in September: 46%
The months with the highest relative humidity are January and February (72%).
The month with the lowest relative humidity is September (46%).
Average rainfall in September
Annadale, South Africa
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is December (129mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
Annadale, South Africa
- Average rainfall days in September: 3.6 days
The month with the highest number of rainy days is January (21.8 days).
The month with the least rainy days is August (0.8 days).
Average daylight in September /
Average sunshine in September
Annadale, South Africa
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is October (Average sunshine: 11h and 54min).
The month with the least sunshine is April (Average sunshine: 7h and 12min).
Average sunshine days in September
Annadale, South Africa
- Average sunshine days in September: 25 days
The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is December (7 days).
Average UV index in September
Annadale, South Africa
- Average UV index in September: 6
The months with the highest UV index are January, February, March, September, October, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 4).
Average cloud cover in September
Annadale, South Africa
- Average cloud cover in September: 11
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Annadale, South Africa
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March, April, May and December (9km).
