September weather forecast
Greyton, South Africa

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Weather in September

September, the first month of the spring in Greyton, is an enjoyable month, with an average temperature varying between 6.3°C (43.3°F) and 17.7°C (63.9°F).

Temperature

The dawn of September sees an average high-temperature of a still refreshing 17.7°C (63.9°F), subtly contrasting with August's 15.6°C (60.1°F). Nighttime temperatures in Greyton hover around an average low of 6.3°C (43.3°F) in September.

Humidity

In September, the average relative humidity is 71%.

Rainfall

In Greyton, in September, during 8.7 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, in Greyton, there are 101.2 rainfall days, and 310mm (12.2") of precipitation is accumulated.

Daylight

In Greyton, the average length of the day in September is 11h and 53min.
On the first day of the month, sunrise is at 06:59 and sunset at 18:23. On the last day of September, in Greyton, sunrise is at 06:18 and sunset at 18:43 SAST.

Sunshine

The average sunshine in September in Greyton is 8.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 4 in September translates into this advice:
Heed the precautions - It is counselled to guard against solar damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What are September temperatures in Greyton?

September temperatures in Greyton, South Africa, vary between a high-temperature of 17.7°C (63.9°F) and a low-temperature of 6.3°C (43.3°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in February is estimated at 30°C (86°F).

What is the average humidity in September in Greyton?

The average relative humidity in September is 71%.

How many days does it rain in September in Greyton?

In Greyton, South Africa, in September, it is raining for 8.7 days, with typically 22mm (0.87") of accumulated precipitation.

How many hours of daylight does Greyton have in September?

In September, the average day length in Greyton, South Africa, is 11h and 53min.

What time are sunrise and sunset in September in Greyton?

On the first day of September in Greyton, South Africa, sunrise is at 06:59 and sunset at 18:23. On the last day of the month, sunrise is at 06:18 and sunset at 18:43 SAST.

How many hours of sunshine does Greyton have in September?

The average sunshine duration in September in Greyton is 8.4h.

How high is the UV index in September in Greyton?

The average daily maximum UV index in September in Greyton is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Greyton, South Africa

Average temperature in September - Greyton, South Africa
  • Average high temperature in September: 17.7°C

The warmest month (with the highest average high temperature) is February (28.3°C).
The month with the lowest average high temperature is June (15.1°C).

  • Average low temperature in September: 6.3°C

The month with the highest average low temperature is February (14.9°C).
The coldest month (with the lowest average low temperature) is August (5.1°C).

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Average pressure in September
Greyton, South Africa

Average pressure in September - Greyton, South Africa
  • Average pressure in September: 1019.4mbar

The month with the highest atmospheric pressure is July (1022.2mbar).
The month with the lowest atmospheric pressure is February (1013.1mbar).

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Average wind speed in September
Greyton, South Africa

Average wind speed in September - Greyton, South Africa
  • Average wind speed in September: 10km/h

The windiest month (with the highest average wind speed) is November (10.8km/h).
The calmest month (with the lowest average wind speed) is April (9.3km/h).

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Average humidity in September
Greyton, South Africa

Average humidity in September - Greyton, South Africa
  • Average humidity in September: 71%

The month with the highest relative humidity is August (72%).
The month with the lowest relative humidity is February (59%).

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Average rainfall in September
Greyton, South Africa

Average rainfall in September - Greyton, South Africa
  • Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is June (66mm).
The driest month (with the least rainfall) is February (8mm).

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Average rainfall days in September
Greyton, South Africa

Average rainfall days in September - Greyton, South Africa
  • Average rainfall days in September: 8.7 days

The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is February (5.5 days).

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Average daylight in September /
Average sunshine in September
Greyton, South Africa

Average daylight in September / Average sunshine in September - Greyton, South Africa
  • Average daylight in September: 11h and 5min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is December (Average sunshine: 11h and 30min).
The month with the least sunshine is June (Average sunshine: 6h and 6min).

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Average sunshine days in September
Greyton, South Africa

Average sunshine days in September - Greyton, South Africa
  • Average sunshine days in September: 17.7 days

The month with the most sunshine days is March (21.6 days).
The month with the least sunshine days is June (15.7 days).

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Average UV index in September
Greyton, South Africa

Average UV index in September - Greyton, South Africa
  • Average UV index in September: 4

The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are June and July (UV index 3).

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Average cloud cover in September
Greyton, South Africa

Average cloud cover in September - Greyton, South Africa
  • Average cloud cover in September: 31

The month with the most cloud cover is June (Cloud cover 33).
The month with the least cloud cover is February (Cloud cover 17).

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Average visibility in September
Greyton, South Africa

Average visibility in September - Greyton, South Africa
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (9km).

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Greyton, South Africa

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