September weather forecastOtavi, Namibia
September
Weather in September
As September progresses in Otavi, the city begins to warm up with a pronounced increase in daytime highs. The distinct lack of rainfall remains, while the nominal cloud cover results in hot and dry days. Higher daylight hours and returning warmer temperatures suggest the onset of the summer season. The wind gently gains pace, reinforcing the warmer weather. The Ultraviolet (UV) index begins to soar, indicating a sharp increase in solar intensity.Temperature
With the onset of September, Otavi's average high-temperature experiences a slight rise, moving from August's moderately hot 27.1°C (80.8°F) to a hot 31°C (87.8°F). Otavi marks a considerable descent from the daytime apex, as the average temperature dips to a refreshing 13.8°C (56.8°F) at night throughout September.Humidity
With an average relative humidity of 20%, September is the least humid month in Otavi, Namibia.Rainfall
Months with rainfall are January through May, September through December. September is the first month it rains. Throughout September, in the average 1.2 rainfall days, it receives 2mm (0.08") of precipitation. In Otavi, during the entire year, the rain falls for 120.9 days and collects up to 607mm (23.9") of precipitation.Daylight
In Otavi, the average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 06:58 and sunset at 18:42. On the last day of the month, sunrise is at 06:32 and sunset at 18:48 CAT.
Sunshine
The average sunshine in September is 9.9h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 6 in September transforms into this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Otavi, Namibia
- Average high temperature in September: 31°C
The warmest month (with the highest average high temperature) is October (32.8°C).
The month with the lowest average high temperature is July (22.6°C).
- Average low temperature in September: 13.8°C
The months with the highest average low temperature are November and December (20.5°C).
The coldest month (with the lowest average low temperature) is July (6.8°C).
Average pressure in September
Otavi, Namibia
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is January (1009.7mbar).
Average wind speed in September
Otavi, Namibia
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is October (11km/h).
The calmest month (with the lowest average wind speed) is April (8.5km/h).
Average humidity in September
Otavi, Namibia
- Average humidity in September: 20%
The month with the highest relative humidity is March (62%).
The month with the lowest relative humidity is September (20%).
Average rainfall in September
Otavi, Namibia
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is December (129mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in September
Otavi, Namibia
- Average rainfall days in September: 1.2 days
The month with the highest number of rainy days is December (22.2 days).
The months with the least rainy days are June and July (0 days).
Average daylight in September /
Average sunshine in September
Otavi, Namibia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 9h and 12min).
Average sunshine days in September
Otavi, Namibia
- Average sunshine days in September: 28.5 days
The month with the most sunshine days is July (31 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in September
Otavi, Namibia
- Average UV index in September: 6
The month with the highest UV index is October (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 5).
Average cloud cover in September
Otavi, Namibia
- Average cloud cover in September: 5
The months with the most cloud cover are February and March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in September
Otavi, Namibia
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
