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 onset of September brings a minor temperature shift, with the average high-temperature moving from a tropical 30.8°C (87.4°F) in August to a still hot 34.6°C (94.3°F). September presents a pronounced divergence from daily peak temperatures in Otjihende, Namibia, with the average low-temperature of 17.2°C (63°F).Humidity
With an average relative humidity of 18%, September is the least humid month.Rainfall
January through April, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 0.9 rainfall days, it receives 1mm (0.04") of precipitation. In Otjihende, during the entire year, the rain falls for 100.8 days and collects up to 379mm (14.92") of precipitation.Daylight
In September, the average length of the day is 12h and 1min.On the first day of the month, sunrise is at 07:15 and sunset at 19:02. On the last day of September, sunrise is at 06:51 and sunset at 19:06 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 reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 7 during September translates into these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. 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 does it get in 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 are sunrise and sunset in September?
What are the months with the most sunshine?
How many hours of sunshine does Otjihende have in September?
What are the months with the highest UV index?
What is the UV index reading in September?
Average temperature in September
Otjihende, 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
Otjihende, 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
Otjihende, 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
Otjihende, 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
Otjihende, 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
Otjihende, 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
Otjihende, 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: 9h and 12min).
Average sunshine days in September
Otjihende, 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
Otjihende, 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
Otjihende, 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
Otjihende, 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).
