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
The shift from August to September introduces a subtle increase in the average high-temperature, moving from an agreeable 21.3°C (70.3°F) to a warm 24.8°C (76.6°F). Throughout September, Newcastle registers a distinct decrease from daytime highs, reaching an average low of 10.5°C (50.9°F).Humidity
The least humid month is September, with an average relative humidity of 42%.Rainfall
In September, the rain falls for 6.1 days. Throughout September, 14mm (0.55") of precipitation is accumulated. In Newcastle, during the entire year, the rain falls for 117.9 days and collects up to 347mm (13.66") of precipitation.Daylight
The average length of the day in September in Newcastle is 11h and 56min.On the first day of the month, sunrise is at 06:12 and sunset at 17:46. On the last day of September, in Newcastle, sunrise is at 05:39 and sunset at 18:00 SAST.
Sunshine
In September, the average sunshine is 8.5h.UV index
The average daily maximum UV index in September in Newcastle is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What is the temperature in September in Newcastle?
What is the least humid month in Newcastle?
What is the average humidity in September in Newcastle?
How much does it rain in Newcastle in September?
What is the average length of the day in September in Newcastle?
When are sunrise and sunset in September in Newcastle?
How many hours of sunshine does Newcastle have in September?
What is the UV index intensity in September in Newcastle?
Average temperature in September
Newcastle, South Africa
- Average high temperature in September: 24.8°C
The warmest month (with the highest average high temperature) is December (26.7°C).
The months with the lowest average high temperature are June and July (18°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is January (14.3°C).
The coldest month (with the lowest average low temperature) is July (4.5°C).
Average pressure in September
Newcastle, South Africa
- Average pressure in September: 1019.4mbar
The month with the highest atmospheric pressure is July (1024.7mbar).
The month with the lowest atmospheric pressure is December (1014.8mbar).
Average wind speed in September
Newcastle, South Africa
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is September (10.7km/h).
The calmest month (with the lowest average wind speed) is March (7.2km/h).
Average humidity in September
Newcastle, South Africa
- Average humidity in September: 42%
The months with the highest relative humidity are January and February (74%).
The month with the lowest relative humidity is September (42%).
Average rainfall in September
Newcastle, South Africa
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in September
Newcastle, South Africa
- Average rainfall days in September: 6.1 days
The month with the highest number of rainy days is December (18 days).
The month with the least rainy days is July (2.1 days).
Average daylight in September /
Average sunshine in September
Newcastle, South Africa
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is October (Average sunshine: 11h and 24min).
The month with the least sunshine is April (Average sunshine: 7h and 6min).
Average sunshine days in September
Newcastle, South Africa
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is July (27.1 days).
The month with the least sunshine days is December (9.2 days).
Average UV index in September
Newcastle, South Africa
- Average UV index in September: 5
The months with the highest UV index are 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
Newcastle, South Africa
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 8).
Average visibility in September
Newcastle, South Africa
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February and March (8km).
Newcastle, South Africa
Weather forecast for your location
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