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 start of September signals a slight increase in the average high-temperature, moving from a warm 25.6°C (78.1°F) in August to a still moderately hot 29.2°C (84.6°F). A dramatic downturn marks the September nights in Okonyoka, with lows averaging at a fresh 12.6°C (54.7°F).Humidity
With an average relative humidity of 20%, September is the least humid month.Rainfall
Months with rainfall in Okonyoka, Namibia, are January through May, September through December. September is the first month it rains. Throughout September, in the average 1.5 rainfall days, it receives 3mm (0.12") of precipitation. Throughout the year, there are 75.2 rainfall days, and 233mm (9.17") of precipitation is accumulated.Daylight
In September, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 06:51 and sunset at 18:30. On the last day of September, in Okonyoka, sunrise is at 06:21 and sunset at 18:39 CAT.
Sunshine
The average sunshine in September in Okonyoka is 9.7h.UV index
In September, the average daily maximum UV index in Okonyoka is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the least humid month?
What is the average humidity in September?
When does it start to rain?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Okonyoka?
Average temperature in September
Okonyoka, Namibia
- Average high temperature in September: 29.2°C
The warmest month (with the highest average high temperature) is November (31.3°C).
The month with the lowest average high temperature is July (21.3°C).
- Average low temperature in September: 12.6°C
The month with the highest average low temperature is December (21.2°C).
The coldest month (with the lowest average low temperature) is July (7°C).
Average pressure in September
Okonyoka, Namibia
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is July (1022.4mbar).
The month with the lowest atmospheric pressure is January (1010.3mbar).
Average wind speed in September
Okonyoka, Namibia
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is July (14.4km/h).
The calmest month (with the lowest average wind speed) is March (11.2km/h).
Average humidity in September
Okonyoka, Namibia
- Average humidity in September: 20%
The month with the highest relative humidity is February (49%).
The month with the lowest relative humidity is September (20%).
Average rainfall in September
Okonyoka, Namibia
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is February (60mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in September
Okonyoka, Namibia
- Average rainfall days in September: 1.5 days
The month with the highest number of rainy days is February (14.3 days).
The month with the least rainy days is July (0.2 days).
Average daylight in September /
Average sunshine in September
Okonyoka, Namibia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is November (Average sunshine: 11h and 36min).
The months with the least sunshine are February and October (Average sunshine: 9h and 24min).
Average sunshine days in September
Okonyoka, Namibia
- Average sunshine days in September: 27.8 days
The month with the most sunshine days is July (30.8 days).
The month with the least sunshine days is February (12.1 days).
Average UV index in September
Okonyoka, Namibia
- Average UV index in September: 6
The months with the highest UV index are January, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 4).
Average cloud cover in September
Okonyoka, Namibia
- Average cloud cover in September: 7
The month with the most cloud cover is February (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility in September
Okonyoka, 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).
