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
Weather in September
Temperature
September's arrival signals a subtle increase in average high-temperatures, moving from August's 23.6°C (74.5°F) to a still moderately hot 27.3°C (81.1°F). Nightfall in September introduces a considerable dip in temperature, settling at an average of 12.7°C (54.9°F).Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 19%.Rainfall
Months with rainfall are January through May, September through December. September is the first month it rains. Throughout September, in the average 1.6 rainfall days, it receives 2mm (0.08") of precipitation. In Okahandja, during the entire year, the rain falls for 80.2 days and collects up to 304mm (11.97") of precipitation.Daylight
In Okahandja, the average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 07:01 and sunset at 18:42. On the last day of September, sunrise is at 06:33 and sunset at 18:50 CAT.
Sunshine
In Okahandja, the average sunshine in September is 9.9h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 during September translates into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What are the least humid months in Okahandja?
What is the average humidity in September?
When does it start raining?
How many hours of daylight does Okahandja have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Okahandja have in September?
What is the UV index reading in September?
Average temperature in September
Okahandja, Namibia
- Average high temperature in September: 27.3°C
The warmest months (with the highest average high temperature) are October and November (29.5°C).
The month with the lowest average high temperature is July (19.8°C).
- Average low temperature in September: 12.7°C
The month with the highest average low temperature is January (18.9°C).
The coldest month (with the lowest average low temperature) is July (6°C).
Average pressure in September
Okahandja, Namibia
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is July (1021.3mbar).
The month with the lowest atmospheric pressure is January (1010.7mbar).
Average wind speed in September
Okahandja, Namibia
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is October (12.6km/h).
The calmest month (with the lowest average wind speed) is March (9.3km/h).
Average humidity in September
Okahandja, Namibia
- Average humidity in September: 19%
The month with the highest relative humidity is March (51%).
The months with the lowest relative humidity are September and October (19%).
Average rainfall in September
Okahandja, Namibia
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is February (102mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in September
Okahandja, Namibia
- Average rainfall days in September: 1.6 days
The month with the highest number of rainy days is February (15.9 days).
The month with the least rainy days is August (0 days).
Average daylight in September /
Average sunshine in September
Okahandja, Namibia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is November (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 9h and 24min).
Average sunshine days in September
Okahandja, Namibia
- Average sunshine days in September: 27.9 days
The month with the most sunshine days is July (30.7 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in September
Okahandja, Namibia
- Average UV index in September: 5
The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 4).
Average cloud cover in September
Okahandja, Namibia
- Average cloud cover in September: 6
The month with the most cloud cover is February (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in September
Okahandja, 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).
Okahandja, Namibia
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