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 beginning of September records an average high-temperature of a still pleasant 22.6°C (72.7°F), marking a negligible difference from August's 22.3°C (72.1°F). Throughout September, Glenwood experiences a low-temperature average of 15.2°C (59.4°F).Humidity
In September, the average relative humidity in Glenwood is 73%.Rainfall
In Glenwood, South Africa, in September, during 12.9 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Glenwood, South Africa, during the entire year, the rain falls for 172.9 days and collects up to 545mm (21.46") of precipitation.Daylight
In Glenwood, the average length of the day in September is 11h and 55min.On the first day of the month, sunrise is at 06:10 and sunset at 17:41. On the last day of September, in Glenwood, South Africa, sunrise is at 05:34 and sunset at 17:56 SAST.
Sunshine
The average sunshine in September in Glenwood, South Africa, is 7.1h.UV index
April through November, with an average maximum UV index of 5, are months with the lowest UV index in Glenwood. 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: In September, a regular UV index of 5 translates into these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Glenwood?
What is the average humidity in September in Glenwood?
How many days does it rain in September in Glenwood?
What is the average length of the day in September in Glenwood?
When is the sunrise / sunset in September in Glenwood?
How many hours of sunshine does Glenwood have in September?
When is the lowest UV index in Glenwood?
What is the UV index reading in September in Glenwood?
Average temperature in September
Glenwood, South Africa
- Average high temperature in September: 22.6°C
The warmest month (with the highest average high temperature) is February (26.6°C).
The month with the lowest average high temperature is July (21.2°C).
- Average low temperature in September: 15.2°C
The month with the highest average low temperature is February (20°C).
The coldest month (with the lowest average low temperature) is July (13.2°C).
Average pressure in September
Glenwood, South Africa
- Average pressure in September: 1019mbar
The month with the highest atmospheric pressure is July (1023.2mbar).
The month with the lowest atmospheric pressure is January (1014.2mbar).
Average wind speed in September
Glenwood, South Africa
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is October (13.9km/h).
The calmest month (with the lowest average wind speed) is May (10.7km/h).
Average humidity in September
Glenwood, South Africa
- Average humidity in September: 73%
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are June and July (64%).
Average rainfall in September
Glenwood, South Africa
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (78mm).
The driest month (with the least rainfall) is June (10mm).
Average rainfall days in September
Glenwood, South Africa
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is December (21.7 days).
The month with the least rainy days is June (5.8 days).
Average daylight in September /
Average sunshine in September
Glenwood, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is April (Average sunshine: 6h and 0min).
Average sunshine days in September
Glenwood, South Africa
- Average sunshine days in September: 14.2 days
The months with the most sunshine days are June and July (22.1 days).
The month with the least sunshine days is December (6.5 days).
Average UV index in September
Glenwood, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September, October and November (UV index 5).
Average cloud cover in September
Glenwood, South Africa
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in September
Glenwood, South Africa
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
