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
A subtle rise in the average high-temperature is observed during September, adjusting from a tropical 30.8°C (87.4°F) in August to a still hot 34.8°C (94.6°F). Oniipa demonstrates a significant disparity from daytime highs throughout the month of September, with an average nighttime temperature of 17.6°C (63.7°F).Humidity
The least humid month is September, with an average relative humidity of 17%.Rainfall
In Oniipa, rain does not fall in May through September.Daylight
In Oniipa, the average length of the day in September is 12h and 0min.On the first day of the month, sunrise is at 07:02 and sunset at 18:48. On the last day of September, sunrise is at 06:38 and sunset at 18:53 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 estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 7 in September leads to these guidelines:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the least humid month?
What is the average humidity in September?
What is the driest month in Oniipa?
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?
How long on average sun shines in September?
What is the month with the highest UV index?
What is the UV index intensity in September?
Average temperature in September
Oniipa, 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
Oniipa, 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
Oniipa, 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
Oniipa, 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
Oniipa, 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
Oniipa, 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
Oniipa, 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
Oniipa, 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
Oniipa, 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
Oniipa, 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
Oniipa, 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).
