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 sees a mild rise in the average high-temperature, transitioning from August's 30.8°C (87.4°F) to a still tropical 34.6°C (94.3°F). September nights are characterized by a significant departure from the daytime highs, dropping to an average temperature of 17.2°C (63°F).Humidity
The least humid month is September, with an average relative humidity of 18%.Rainfall
Months with rainfall are January through April, September through December. September is the first month it rains. Throughout September, in the average 0.9 rainfall days, it receives 1mm (0.04") of precipitation. Throughout the year, there are 100.8 rainfall days, and 379mm (14.92") of precipitation is accumulated.Daylight
In Otjinanwa, the average length of the day in September is 12h and 0min.On the first day of the month, sunrise is at 07:12 and sunset at 18:58. On the last day of September, sunrise is at 06:47 and sunset at 19:03 CAT.
Sunshine
August and September, with an average of 10h of sunshine, are months with the most 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 value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 7 suggests these recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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?
When does it start to rain?
How many hours of daylight does Otjinanwa have in September?
When is the sunrise / sunset in September?
What are the months with the most sunshine?
How many hours of sunshine does Otjinanwa have in September?
When is the highest UV index?
What is the UV index intensity in September?
Average temperature in September
Otjinanwa, Namibia
- Average high temperature in September: 34.6°C
The warmest month (with the highest average high temperature) is October (35.7°C).
The month with the lowest average high temperature is June (26.7°C).
- Average low temperature in September: 17.2°C
The month with the highest average low temperature is November (23.3°C).
The coldest month (with the lowest average low temperature) is July (11.3°C).
Average pressure in September
Otjinanwa, Namibia
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1009.5mbar).
Average wind speed in September
Otjinanwa, Namibia
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is July (13.1km/h).
The calmest month (with the lowest average wind speed) is February (9.4km/h).
Average humidity in September
Otjinanwa, Namibia
- Average humidity in September: 18%
The month with the highest relative humidity is March (55%).
The month with the lowest relative humidity is September (18%).
Average rainfall in September
Otjinanwa, Namibia
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is January (83mm).
The driest months (with the least rainfall) are May, June, July and August (0mm).
Average rainfall days in September
Otjinanwa, Namibia
- Average rainfall days in September: 0.9 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is July (0 days).
Average daylight in September /
Average sunshine in September
Otjinanwa, 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 0min).
- 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: 9h and 12min).
Average sunshine days in September
Otjinanwa, Namibia
- Average sunshine days in September: 28.6 days
The month with the most sunshine days is July (31 days).
The month with the least sunshine days is March (10 days).
Average UV index in September
Otjinanwa, 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
Otjinanwa, Namibia
- Average cloud cover in September: 4
The month with the most cloud cover is March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in September
Otjinanwa, 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).
