September weather forecast
Omaruru, Namibia

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Weather in September

September marks an abrupt rise in temperatures, signifying the arrival of the warmer season. The dry spell is slightly broken with the city experiencing a rainfall of only 2mm (0.08") for the month. Despite the marginal increase in rainfall, the amount of sunshine remains consistent. The clear sky coupled with less wind than the previous month contributes to a haul of sunshine days in September. With the subtle changes in weather, Omaruru prepares to welcome the peak heat periods.

Temperature

A minor escalation in the average high-temperature is seen with the onset of September, moving from a moderately hot 26.9°C (80.4°F) in August to a hot 30.7°C (87.3°F). Despite a significant daily temperature range, Omaruru's temperature falls to a steady low-temperature average of 15.5°C (59.9°F) in September.

Humidity

The least humid month is September, with an average relative humidity of 21%.

Rainfall

Months with rainfall are January through May, September through December. September is the first month it rains. Throughout September, in the average 2.2 rainfall days, it receives 2mm (0.08") of precipitation. Throughout the year, there are 79.5 rainfall days, and 272mm (10.71") of precipitation is accumulated.

Daylight

In Omaruru, the average length of the day in September is 11h and 59min.
On the first day of September, sunrise is at 07:05 and sunset at 18:47. On the last day of the month, sunrise is at 06:37 and sunset at 18:54 CAT.

Sunshine

In Omaruru, the average sunshine in September is 9.9h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 6 during September translates into these guidelines:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

Is it hot in Omaruru during September?

The average high-temperature and low-temperature during September are 30.7°C (87.3°F) and 15.5°C (59.9°F) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in April is estimated at 28°C (82.4°F).

What is the least humid month?

September is the least humid month, with an average relative humidity of 21%.

What is the average humidity in September?

In September, the average relative humidity in Omaruru is 21%.

When does it start raining?

September is the first month it rains. Throughout September, in the average 2.2 rainfall days, it receives 2mm (0.08") of precipitation.

What is the average length of the day in September?

The average day length in September in Omaruru is 11h and 59min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 07:05 and sunset at 18:47. On the last day of the month, sunrise is at 06:37 and sunset at 18:54 CAT.

How long on average sun shines in September?

In Omaruru, the average sunshine duration in September is 9.9h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Average temperature in September
Omaruru, Namibia

Average temperature in September - Omaruru, Namibia
  • Average high temperature in September: 30.7°C

The warmest month (with the highest average high temperature) is October (32.4°C).
The month with the lowest average high temperature is June (23.6°C).

  • Average low temperature in September: 15.5°C

The month with the highest average low temperature is December (20.1°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).

Average pressure in September
Omaruru, Namibia

Average pressure in September - Omaruru, Namibia
  • Average pressure in September: 1014.9mbar

The month with the highest atmospheric pressure is July (1019.4mbar).
The month with the lowest atmospheric pressure is January (1010.9mbar).

Average wind speed in September
Omaruru, Namibia

Average wind speed in September - Omaruru, Namibia
  • Average wind speed in September: 11km/h

The windiest month (with the highest average wind speed) is July (13.1km/h).
The calmest month (with the lowest average wind speed) is February (9km/h).

Average humidity in September
Omaruru, Namibia

Average humidity in September - Omaruru, Namibia
  • Average humidity in September: 21%

The month with the highest relative humidity is March (51%).
The month with the lowest relative humidity is September (21%).

Average rainfall in September
Omaruru, Namibia

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

The wettest month (with the highest rainfall) is February (82mm).
The driest months (with the least rainfall) are June, July and August (0mm).

Average rainfall days in September
Omaruru, Namibia

Average rainfall days in September - Omaruru, Namibia
  • Average rainfall days in September: 2.2 days

The month with the highest number of rainy days is February (15.5 days).
The month with the least rainy days is July (0 days).

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

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

The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).

  • Average sunshine in September: 9h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 9h and 30min).

Average sunshine days in September
Omaruru, Namibia

Average sunshine days in September - Omaruru, Namibia
  • Average sunshine days in September: 27 days

The month with the most sunshine days is July (31 days).
The month with the least sunshine days is February (10.9 days).

Average UV index in September
Omaruru, Namibia

Average UV index in September - Omaruru, Namibia
  • Average UV index in September: 6

The months with the highest UV index are January, October, November and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 5).

Average cloud cover in September
Omaruru, Namibia

Average cloud cover in September - Omaruru, Namibia
  • Average cloud cover in September: 5

The month with the most cloud cover is February (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 1).

Average visibility in September
Omaruru, Namibia

Average visibility in September - Omaruru, 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).

Omaruru, Namibia

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