September weather forecast
Rehoboth, Namibia

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Weather in September

As Rehoboth greets spring in September, a noticeable rise in temperature to 27.3°C (81.1°F) is felt. Though the dry spell is maintained, September experiences an exceptionally low humidity percentage compared to other months at 19%. A surge in wind speed is noticeable, though manageable, giving the weather a windy characteristic. With improved visibility, this month makes outdoor tourism more appealing with beautiful scenic views to capture.

Temperature

As Rehoboth transitions into September, the average high-temperature is observed to slightly rise from a moderately hot 23.6°C (74.5°F) in August to a still warm 27.3°C (81.1°F). The anticipated average low-temperature for September, a fresh 12.7°C (54.9°F), shows a substantial deviation from the daytime maximums.

Humidity

The months with the lowest humidity in Rehoboth are September and October, with an average relative humidity of 19%.

Rainfall

January through May, September through December are months with rainfall in Rehoboth. September is the first month it rains. Throughout September, in the average 1.6 rainfall days, it receives 2mm (0.08") of precipitation. In Rehoboth, during the entire year, the rain falls for 80.2 days and collects up to 304mm (11.97") of precipitation.

Daylight

The average length of the day in September in Rehoboth, Namibia, is 11h and 58min.
On the first day of September, sunrise is at 07:01 and sunset at 18:41. On the last day of the month, sunrise is at 06:32 and sunset at 18:50 CAT.

Sunshine

In September, the average sunshine is 9.9h.

UV index

The average daily maximum UV index in September in Rehoboth, Namibia, is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a regular UV index of 5 translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What are the temperatures in Rehoboth in September?

During September, Rehoboth experiences an average high-temperature of 27.3°C (81.1°F) and a low-temperature of 12.7°C (54.9°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in February is computed to be 28°C (82.4°F).

What is the least humid month in Rehoboth?

September and October, with an average relative humidity of 19%, are the least humid months in Rehoboth, Namibia.

What is the average humidity in September in Rehoboth?

In September, the average relative humidity in Rehoboth is 19%.

When does it start to rain in Rehoboth?

September is the first month it rains. Throughout September, in the average 1.6 rainfall days, it receives 2mm (0.08") of precipitation.

How many hours of daylight does Rehoboth have in September?

In Rehoboth, the average day length in September is 11h and 58min.

What time are sunrise and sunset in September in Rehoboth?

On the first day of September in Rehoboth, sunrise is at 07:01 and sunset at 18:41. On the last day of the month, sunrise is at 06:32 and sunset at 18:50 CAT.

How many hours of sunshine does Rehoboth have in September?

The average sunshine duration in September is 9.9h.

What is the UV index reading in September in Rehoboth?

In Rehoboth, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.

Average temperature in September
Rehoboth, Namibia

Average temperature in September - Rehoboth, Namibia
  • Average high temperature in September: 27.3°C

The warmest months (with the highest average high temperature) are October and November (29.5°C).
The month with the lowest average high temperature is July (19.8°C).

  • Average low temperature in September: 12.7°C

The month with the highest average low temperature is January (18.9°C).
The coldest month (with the lowest average low temperature) is July (6°C).

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Average pressure in September
Rehoboth, Namibia

Average pressure in September - Rehoboth, Namibia
  • Average pressure in September: 1016.2mbar

The month with the highest atmospheric pressure is July (1021.3mbar).
The month with the lowest atmospheric pressure is January (1010.7mbar).

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Average wind speed in September
Rehoboth, Namibia

Average wind speed in September - Rehoboth, Namibia
  • Average wind speed in September: 11.7km/h

The windiest month (with the highest average wind speed) is October (12.6km/h).
The calmest month (with the lowest average wind speed) is March (9.3km/h).

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Average humidity in September
Rehoboth, Namibia

Average humidity in September - Rehoboth, Namibia
  • Average humidity in September: 19%

The month with the highest relative humidity is March (51%).
The months with the lowest relative humidity are September and October (19%).

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Average rainfall in September
Rehoboth, Namibia

Average rainfall in September - Rehoboth, Namibia
  • Average rainfall in September: 2mm

The wettest month (with the highest rainfall) is February (102mm).
The driest months (with the least rainfall) are June, July and August (0mm).

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Average rainfall days in September
Rehoboth, Namibia

Average rainfall days in September - Rehoboth, Namibia
  • Average rainfall days in September: 1.6 days

The month with the highest number of rainy days is February (15.9 days).
The month with the least rainy days is August (0 days).

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Average daylight in September /
Average sunshine in September
Rehoboth, Namibia

Average daylight in September / Average sunshine in September - Rehoboth, Namibia
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 42min).

  • Average sunshine in September: 9h and 5min

The month with the most sunshine is November (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 9h and 24min).

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Average sunshine days in September
Rehoboth, Namibia

Average sunshine days in September - Rehoboth, Namibia
  • Average sunshine days in September: 27.9 days

The month with the most sunshine days is July (30.7 days).
The month with the least sunshine days is February (9.8 days).

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Average UV index in September
Rehoboth, Namibia

Average UV index in September - Rehoboth, Namibia
  • Average UV index in September: 5

The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 4).

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Average cloud cover in September
Rehoboth, Namibia

Average cloud cover in September - Rehoboth, Namibia
  • Average cloud cover in September: 6

The month with the most cloud cover is February (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 1).

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Average visibility in September
Rehoboth, Namibia

Average visibility in September - Rehoboth, Namibia
  • 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).

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Rehoboth, Namibia

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