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
With the transition into September, Cwa experiences a subtle uplift in average high-temperatures, adjusting from 30°C (86°F) in August to a still tropical 34.6°C (94.3°F). A striking difference from the daytime highs is registered during September nights, with an average temperature of 15.9°C (60.6°F).Humidity
The least humid month in Cwa, Namibia, is September, with an average relative humidity of 21%.Rainfall
Months with rainfall are January through June, September through December. September is the first month it rains. Throughout September, in the average 0.4 rainfall days, it receives 1mm (0.04") of precipitation. Throughout the year, in Cwa, there are 110.8 rainfall days, and 429mm (16.89") of precipitation is accumulated.Daylight
In Cwa, Namibia, the average length of the day in September is 12h and 0min.On the first day of September, sunrise is at 06:42 and sunset at 18:29. On the last day of the month, sunrise is at 06:18 and sunset at 18:33 CAT.
Sunshine
The average sunshine in September in Cwa is 10h.UV index
The months with the highest UV index in Cwa are September and October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 7 translates into these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
How hot does it get in Cwa in September?
What is the least humid month in Cwa?
What is the average humidity in September in Cwa?
When does it start raining in Cwa?
What is the average length of the day in September in Cwa?
When are sunrise and sunset in September in Cwa?
How long on average sun shines in September in Cwa?
What is the month with the highest UV index in Cwa?
What is the UV index intensity in September in Cwa?
Average temperature in September
Cwa, Namibia
- Average high temperature in September: 34.6°C
The warmest month (with the highest average high temperature) is October (36.7°C).
The months with the lowest average high temperature are June and July (25.5°C).
- Average low temperature in September: 15.9°C
The month with the highest average low temperature is November (22.2°C).
The coldest month (with the lowest average low temperature) is July (9.9°C).
Average pressure in September
Cwa, Namibia
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is January (1009mbar).
Average wind speed in September
Cwa, Namibia
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is September (10.5km/h).
The calmest months (with the lowest average wind speed) are January, March and December (8km/h).
Average humidity in September
Cwa, Namibia
- Average humidity in September: 21%
The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is September (21%).
Average rainfall in September
Cwa, Namibia
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is January (113mm).
The driest months (with the least rainfall) are July and August (0mm).
Average rainfall days in September
Cwa, Namibia
- Average rainfall days in September: 0.4 days
The months with the highest number of rainy days are January and December (22.1 days).
The month with the least rainy days is August (0 days).
Average daylight in September /
Average sunshine in September
Cwa, Namibia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is November (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 8h and 48min).
Average sunshine days in September
Cwa, Namibia
- Average sunshine days in September: 28.9 days
The month with the most sunshine days is August (31 days).
The month with the least sunshine days is December (7 days).
Average UV index in September
Cwa, Namibia
- Average UV index in September: 7
The months with the highest UV index are September and October (UV index 7).
The months with the lowest UV index are May, June and July (UV index 5).
Average cloud cover in September
Cwa, Namibia
- Average cloud cover in September: 2
The month with the most cloud cover is January (Cloud cover 34).
The months with the least cloud cover are August and September (Cloud cover 2).
Average visibility in September
Cwa, Namibia
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February and March (9km).
Cwa, Namibia
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