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
September
Weather in September
Temperature
The beginning of September signals a minor rise in the average high-temperature, moving from 30.8°C (87.4°F) in August to a still tropical 34.8°C (94.6°F). In the month of September, Onambutu witnesses a marked temperature drop at night, averaging a low of 17.6°C (63.7°F).Humidity
With an average relative humidity of 17%, September is the least humid month.Rainfall
May through September are months without rainfall.Daylight
In September, the average length of the day is 12h and 0min.On the first day of September, sunrise is at 07:01 and sunset at 18:48. On the last day of the month, sunrise is at 06:37 and sunset at 18:52 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 are January, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 7 transforms into these recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the least humid month?
What is the average humidity in September?
What is the driest month?
Does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
What are the months with the most sunshine in Onambutu?
How many hours of sunshine does Onambutu have in September?
What are the months with the highest UV index?
How high is the UV index in September?
Average temperature in September
Onambutu, Namibia
- Average high temperature in September: 34.8°C
The warmest month (with the highest average high temperature) is October (35.8°C).
The month with the lowest average high temperature is June (26.7°C).
- Average low temperature in September: 17.6°C
The month with the highest average low temperature is December (23.3°C).
The coldest month (with the lowest average low temperature) is July (11.3°C).
Average pressure in September
Onambutu, Namibia
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is July (1018.7mbar).
The months with the lowest atmospheric pressure are January and December (1009.4mbar).
Average wind speed in September
Onambutu, Namibia
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is July (13.4km/h).
The calmest month (with the lowest average wind speed) is February (9.6km/h).
Average humidity in September
Onambutu, Namibia
- Average humidity in September: 17%
The month with the highest relative humidity is March (55%).
The month with the lowest relative humidity is September (17%).
Average rainfall in September
Onambutu, Namibia
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is January (62mm).
The driest months (with the least rainfall) are May, June, July, August and September (0mm).
Average rainfall days in September
Onambutu, Namibia
- Average rainfall days in September: 0.5 days
The month with the highest number of rainy days is March (17.5 days).
The months with the least rainy days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Onambutu, 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: 8h and 54min).
Average sunshine days in September
Onambutu, Namibia
- Average sunshine days in September: 29.5 days
The months with the most sunshine days are July and August (31 days).
The month with the least sunshine days is February (11.2 days).
Average UV index in September
Onambutu, 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
Onambutu, Namibia
- Average cloud cover in September: 4
The months with the most cloud cover are January, February and March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in September
Onambutu, 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).
