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 slight uplift of average high-temperatures is noted in September, with temperatures adjusting from a moderately hot 27.1°C (80.8°F) in August to a hot 31°C (87.8°F). A noticeable downturn in temperature characterizes the September nights, averaging at a refreshing 13.8°C (56.8°F).Humidity
September is the least humid month, with an average relative humidity of 20%.Rainfall
Months with rainfall are January through May, September through December. September is the first month it rains. Throughout September, in the average 1.2 rainfall days, it receives 2mm (0.08") of precipitation. Throughout the year, there are 120.9 rainfall days, and 607mm (23.9") of precipitation is accumulated.Daylight
In September, the average length of the day is 11h and 59min.On the first day of the month, sunrise is at 06:57 and sunset at 18:40. On the last day of September, sunrise is at 06:30 and sunset at 18:47 CAT.
Sunshine
In Omaihi, the average sunshine in September is 9.9h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, a regular UV index of 6 translates into these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is 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 Omaihi have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Omaihi, Namibia
- Average high temperature in September: 31°C
The warmest month (with the highest average high temperature) is October (32.8°C).
The month with the lowest average high temperature is July (22.6°C).
- Average low temperature in September: 13.8°C
The months with the highest average low temperature are November and December (20.5°C).
The coldest month (with the lowest average low temperature) is July (6.8°C).
Average pressure in September
Omaihi, Namibia
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is January (1009.7mbar).
Average wind speed in September
Omaihi, Namibia
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is October (11km/h).
The calmest month (with the lowest average wind speed) is April (8.5km/h).
Average humidity in September
Omaihi, Namibia
- Average humidity in September: 20%
The month with the highest relative humidity is March (62%).
The month with the lowest relative humidity is September (20%).
Average rainfall in September
Omaihi, Namibia
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is December (129mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in September
Omaihi, Namibia
- Average rainfall days in September: 1.2 days
The month with the highest number of rainy days is December (22.2 days).
The months with the least rainy days are June and July (0 days).
Average daylight in September /
Average sunshine in September
Omaihi, Namibia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 9h and 12min).
Average sunshine days in September
Omaihi, Namibia
- Average sunshine days in September: 28.5 days
The month with the most sunshine days is July (31 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in September
Omaihi, Namibia
- Average UV index in September: 6
The month with the highest UV index is October (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 5).
Average cloud cover in September
Omaihi, Namibia
- Average cloud cover in September: 5
The months with the most cloud cover are February and March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in September
Omaihi, Namibia
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
