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 onset brings a minor rise in the average high-temperature, moving from a pleasant 21.5°C (70.7°F) in August to a moderately hot 25.5°C (77.9°F). Nighttime temperatures throughout September in Dennilton register a significant deviation from the day's highs, averaging at a fresh 11.4°C (52.5°F).Humidity
September is the least humid month in Dennilton, with an average relative humidity of 39%.Rainfall
In Dennilton, during September, the rain falls for 4 days and regularly aggregates up to 11mm (0.43") of precipitation. In Dennilton, during the entire year, the rain falls for 120.5 days and collects up to 461mm (18.15") of precipitation.Daylight
The average length of the day in September is 11h and 57min.On the first day of September, sunrise is at 06:14 and sunset at 17:51. On the last day of the month, sunrise is at 05:43 and sunset at 18:02 SAST.
Sunshine
The average sunshine in September in Dennilton, South Africa, is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What are September temperatures in Dennilton?
What is the least humid month in Dennilton?
What is the average humidity in September in Dennilton?
How many days does it rain in September in Dennilton?
How many hours of daylight does Dennilton have in September?
What time are sunrise and sunset in September in Dennilton?
How long on average sun shines in September in Dennilton?
How high is the UV index in September in Dennilton?
Average temperature in September
Dennilton, South Africa
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is December (26.7°C).
The month with the lowest average high temperature is June (18.1°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is December (15.4°C).
The coldest month (with the lowest average low temperature) is July (5.1°C).
Average pressure in September
Dennilton, South Africa
- Average pressure in September: 1019.1mbar
The month with the highest atmospheric pressure is July (1024.7mbar).
The month with the lowest atmospheric pressure is January (1014mbar).
Average wind speed in September
Dennilton, South Africa
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is October (11.3km/h).
The calmest month (with the lowest average wind speed) is May (7.9km/h).
Average humidity in September
Dennilton, South Africa
- Average humidity in September: 39%
The months with the highest relative humidity are January and February (71%).
The month with the lowest relative humidity is September (39%).
Average rainfall in September
Dennilton, South Africa
- Average rainfall in September: 11mm
The wettest month (with the highest rainfall) is January (96mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Dennilton, South Africa
- Average rainfall days in September: 4 days
The month with the highest number of rainy days is December (20.9 days).
The months with the least rainy days are July and August (1.1 days).
Average daylight in September /
Average sunshine in September
Dennilton, South Africa
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is October (Average sunshine: 11h and 48min).
The month with the least sunshine is April (Average sunshine: 7h and 18min).
Average sunshine days in September
Dennilton, South Africa
- Average sunshine days in September: 25.1 days
The month with the most sunshine days is July (30.1 days).
The month with the least sunshine days is December (7.2 days).
Average UV index in September
Dennilton, South Africa
- Average UV index in September: 5
The months with the highest UV index are January, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Dennilton, South Africa
- Average cloud cover in September: 9
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Dennilton, South Africa
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March, April and December (9km).
Dennilton, South Africa
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