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
The onset of September brings with it an average high-temperature of a still refreshing 19.2°C (66.6°F), showing a negligible variation from the month before. Alexandria registers a steady nighttime temperature averaging a mild 15°C (59°F) throughout September.Humidity
The average relative humidity in September in Alexandria is 73%.Rainfall
September and December are months with the least rain in Alexandria when the rain falls for 9.8 days and typically aggregates up to 22mm (0.87") of rain.Daylight
The average length of the day in September is 11h and 53min.On the first day of September, sunrise is at 06:31 and sunset at 17:56. On the last day of the month, sunrise is at 05:51 and sunset at 18:16 SAST.
Sunshine
The average sunshine in September in Alexandria, South Africa, is 8.4h.UV index
March through November, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: An average UV index of 5 in September transforms into this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Alexandria?
What is the average humidity in September in Alexandria?
What is the driest month in Alexandria?
How much does it rain in Alexandria in September?
How many hours of daylight does Alexandria have in September?
When are sunrise and sunset in September in Alexandria?
How long on average sun shines in September in Alexandria?
What is the month with the lowest UV index in Alexandria?
What is the UV index intensity in September in Alexandria?
Average temperature in September
Alexandria, South Africa
- Average high temperature in September: 19.2°C
The warmest months (with the highest average high temperature) are January and February (23.8°C).
The month with the lowest average high temperature is August (19.1°C).
- Average low temperature in September: 15°C
The month with the highest average low temperature is February (20.2°C).
The coldest month (with the lowest average low temperature) is August (14.6°C).
Average pressure in September
Alexandria, South Africa
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is July (1021.8mbar).
The months with the lowest atmospheric pressure are January and February (1013.6mbar).
Average wind speed in September
Alexandria, South Africa
- Average wind speed in September: 23.3km/h
The windiest month (with the highest average wind speed) is October (23.7km/h).
The calmest month (with the lowest average wind speed) is May (19.4km/h).
Average humidity in September
Alexandria, South Africa
- Average humidity in September: 73%
The months with the highest relative humidity are January and February (79%).
The month with the lowest relative humidity is June (64%).
Average rainfall in September
Alexandria, South Africa
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is June (33mm).
The driest months (with the least rainfall) are September and December (22mm).
Average rainfall days in September
Alexandria, South Africa
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is December (14.5 days).
The month with the least rainy days is June (9 days).
Average daylight in September /
Average sunshine in September
Alexandria, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is November (Average sunshine: 9h and 42min).
The month with the least sunshine is August (Average sunshine: 6h and 30min).
Average sunshine days in September
Alexandria, South Africa
- Average sunshine days in September: 18 days
The months with the most sunshine days are May and June (20 days).
The month with the least sunshine days is December (13.5 days).
Average UV index in September
Alexandria, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are March, April, May, June, July, August, September, October and November (UV index 5).
Average cloud cover in September
Alexandria, South Africa
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Alexandria, 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).
