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 25.6°C (78.1°F) in August to a still moderately hot 29.2°C (84.6°F). September nights show a substantial disparity from the daytime peak with an average low-temperature of 12.6°C (54.7°F).Humidity
With an average relative humidity of 20%, September is the least humid month.Rainfall
January through May, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 1.5 rainfall days, it receives 3mm (0.12") of precipitation. Throughout the year, there are 75.2 rainfall days, and 233mm (9.17") of precipitation is accumulated.Daylight
In Otjoruharwi, Namibia, the average length of the day in September is 11h and 58min.On the first day of the month, sunrise is at 06:52 and sunset at 18:31. On the last day of September, sunrise is at 06:22 and sunset at 18:40 CAT.
Sunshine
In Otjoruharwi, the average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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 raining?
How many hours of daylight does Otjoruharwi have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Otjoruharwi have in September?
What is the UV index reading in September?
Average temperature in September
Otjoruharwi, Namibia
- Average high temperature in September: 29.2°C
The warmest month (with the highest average high temperature) is November (31.3°C).
The month with the lowest average high temperature is July (21.3°C).
- Average low temperature in September: 12.6°C
The month with the highest average low temperature is December (21.2°C).
The coldest month (with the lowest average low temperature) is July (7°C).
Average pressure in September
Otjoruharwi, Namibia
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is July (1022.4mbar).
The month with the lowest atmospheric pressure is January (1010.3mbar).
Average wind speed in September
Otjoruharwi, Namibia
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is July (14.4km/h).
The calmest month (with the lowest average wind speed) is March (11.2km/h).
Average humidity in September
Otjoruharwi, Namibia
- Average humidity in September: 20%
The month with the highest relative humidity is February (49%).
The month with the lowest relative humidity is September (20%).
Average rainfall in September
Otjoruharwi, Namibia
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is February (60mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in September
Otjoruharwi, Namibia
- Average rainfall days in September: 1.5 days
The month with the highest number of rainy days is February (14.3 days).
The month with the least rainy days is July (0.2 days).
Average daylight in September /
Average sunshine in September
Otjoruharwi, 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 42min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is November (Average sunshine: 11h and 36min).
The months with the least sunshine are February and October (Average sunshine: 9h and 24min).
Average sunshine days in September
Otjoruharwi, Namibia
- Average sunshine days in September: 27.8 days
The month with the most sunshine days is July (30.8 days).
The month with the least sunshine days is February (12.1 days).
Average UV index in September
Otjoruharwi, Namibia
- Average UV index in September: 6
The months with the highest UV index are January, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 4).
Average cloud cover in September
Otjoruharwi, Namibia
- Average cloud cover in September: 7
The month with the most cloud cover is February (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility in September
Otjoruharwi, 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).
