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 snowfall in September
- Average snowfall 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 brings a slight rise in Modderpoort's average high-temperature, moving from an enjoyable 17.1°C (62.8°F) in August to a pleasant 21.2°C (70.2°F). Despite the significant gap from daytime peaks, Modderpoort experiences an average low-temperature of 7.7°C (45.9°F) in September.Humidity
The least humid month is September, with an average relative humidity of 35%.Rainfall
In Modderpoort, in September, it is raining for 5.2 days, with typically 9mm (0.35") of accumulated precipitation. Throughout the year, there are 106.2 rainfall days, and 387mm (15.24") of precipitation is accumulated.Snowfall
In Modderpoort, South Africa, snow does not fall in January through May, September through December.Daylight
The average length of the day in September is 11h and 56min.On the first day of September, sunrise is at 06:24 and sunset at 17:56. On the last day of the month, sunrise is at 05:49 and sunset at 18:10 SAST.
Sunshine
In Modderpoort, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Exercise prevention - Precautions against solar damage are endorsed. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the least humid month?
What is the average humidity in September?
How much does it rain in Modderpoort in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September in Modderpoort?
When is the sunrise / sunset in September?
How many hours of sunshine does Modderpoort have in September?
How high is the UV index in September?
Average temperature in September
Modderpoort, South Africa
- Average high temperature in September: 21.2°C
The warmest month (with the highest average high temperature) is January (26.1°C).
The month with the lowest average high temperature is June (13.6°C).
- Average low temperature in September: 7.7°C
The month with the highest average low temperature is January (14.8°C).
The coldest month (with the lowest average low temperature) is June (2.1°C).
Average pressure in September
Modderpoort, South Africa
- Average pressure in September: 1019.1mbar
The month with the highest atmospheric pressure is July (1025.3mbar).
The month with the lowest atmospheric pressure is December (1013.5mbar).
Average wind speed in September
Modderpoort, South Africa
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is November (11.1km/h).
The calmest month (with the lowest average wind speed) is May (7km/h).
Average humidity in September
Modderpoort, South Africa
- Average humidity in September: 35%
The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is September (35%).
Average rainfall in September
Modderpoort, South Africa
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is December (71mm).
The driest months (with the least rainfall) are July and August (7mm).
Average rainfall days in September
Modderpoort, South Africa
- Average rainfall days in September: 5.2 days
The month with the highest number of rainy days is January (15.9 days).
The month with the least rainy days is June (2.8 days).
Average snowfall in September
Modderpoort, South Africa
- Average snowfall in September: 0mm
The month with the highest snowfall is July (7mm).
The months with the least snowfall are January, February, March, April, May, September, October, November and December (0mm).
Average snowfall days in September
Modderpoort, South Africa
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is June (0.8 days).
The months with the least snowfall days are January, February, March, April, May, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Modderpoort, 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: 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
Modderpoort, South Africa
- Average sunshine days in September: 23.9 days
The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is January (11 days).
Average UV index in September
Modderpoort, South Africa
- Average UV index in September: 4
The months with the highest UV index are January, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover in September
Modderpoort, South Africa
- Average cloud cover in September: 12
The month with the most cloud cover is February (Cloud cover 20).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in September
Modderpoort, 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).
