September weather forecastRuacana, Namibia
September
Weather in September
September brings noticeable changes in Ruacana's weather. It is dominated by a spike in day temperatures reaching 34.6°C (94.3°F), the highest after the summer months. As the city warms up, the relative humidity remains low. Despite the heat, rains remain a rare occurrence, making the weather relatively dry. This month serves as a preface to the approaching summer and much-awaited rainfall it brings to Ruacana.Temperature
September's onset in Ruacana brings a subtle temperature rise, moving from 30.8°C (87.4°F) in August to a still tropical 34.6°C (94.3°F). Ruacana's nighttime average of 17.2°C (63°F) during September reflects a substantial decrease from the daytime temperature.Humidity
The least humid month is September, with an average relative humidity of 18%.Rainfall
Months with rainfall are January through April, September through December. September is the first month it rains. Throughout September, in the average 0.9 rainfall days, it receives 1mm (0.04") of precipitation. In Ruacana, during the entire year, the rain falls for 100.8 days and collects up to 379mm (14.92") of precipitation.Daylight
In September, the average length of the day is 12h and 1min.On the first day of the month, sunrise is at 07:08 and sunset at 18:55. On the last day of September, sunrise is at 06:44 and sunset at 18:59 CAT.
Sunshine
August and September, with an average of 10h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index in Ruacana are January, September through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ruacana, Namibia
- Average high temperature in September: 34.6°C
The warmest month (with the highest average high temperature) is October (35.7°C).
The month with the lowest average high temperature is June (26.7°C).
- Average low temperature in September: 17.2°C
The month with the highest average low temperature is November (23.3°C).
The coldest month (with the lowest average low temperature) is July (11.3°C).
Average pressure in September
Ruacana, Namibia
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1009.5mbar).
Average wind speed in September
Ruacana, Namibia
- Average wind speed in September: 12.6km/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 (9.4km/h).
Average humidity in September
Ruacana, Namibia
- Average humidity in September: 18%
The month with the highest relative humidity is March (55%).
The month with the lowest relative humidity is September (18%).
Average rainfall in September
Ruacana, Namibia
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is January (83mm).
The driest months (with the least rainfall) are May, June, July and August (0mm).
Average rainfall days in September
Ruacana, Namibia
- Average rainfall days in September: 0.9 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is July (0 days).
Average daylight in September /
Average sunshine in September
Ruacana, 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 months with the most sunshine are August and September (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 9h and 12min).
Average sunshine days in September
Ruacana, Namibia
- Average sunshine days in September: 28.6 days
The month with the most sunshine days is July (31 days).
The month with the least sunshine days is March (10 days).
Average UV index in September
Ruacana, Namibia
- Average UV index in September: 7
The months with the highest UV index are January, September, October, November and December (UV index 7).
The months with the lowest UV index are June and July (UV index 5).
Average cloud cover in September
Ruacana, Namibia
- Average cloud cover in September: 4
The month with the most cloud cover is March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in September
Ruacana, 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).
