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
September's arrival coincides with a subtle temperature rise, moving from August's 30.8°C (87.4°F) to a still hot 34.8°C (94.6°F). Ondobe's September nights bring a significant temperature shift, averaging at a refreshing 17.6°C (63.7°F).Humidity
The least humid month is September, with an average relative humidity of 17%.Rainfall
May through September are months without rainfall.Daylight
In Ondobe, the average length of the day in September is 12h and 0min.On the first day of September, sunrise is at 07:02 and sunset at 18:49. On the last day of the month, sunrise is at 06:38 and sunset at 18:53 CAT.
Sunshine
The months with the most sunshine are August and September, with an average of 10h of sunshine.UV index
January, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 7 during September translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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 is the month with the most sunshine?
How many hours of sunshine does Ondobe have in September?
What are the months with the highest UV index?
What is the UV index intensity in September?
Average temperature in September
Ondobe, 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
Ondobe, 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
Ondobe, 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
Ondobe, 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
Ondobe, 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
Ondobe, 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
Ondobe, 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
Ondobe, 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
Ondobe, 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
Ondobe, 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
Ondobe, 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).
