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 onset is marked by a subtle temperature increase, moving from a warm 27.1°C (80.8°F) in August to a tropical 31°C (87.8°F). Tsumeb records a consistent low-temperature average of 13.8°C (56.8°F) during September, indicating a significant difference from the daytime heat.Humidity
With an average relative humidity of 20%, September is the least humid month.Rainfall
Months with rainfall are January through May, September through December. September is the first month it rains in Tsumeb. Throughout September, in the average 1.2 rainfall days, it receives 2mm (0.08") of precipitation. In Tsumeb, during the entire year, the rain falls for 120.9 days and collects up to 607mm (23.9") of precipitation.Daylight
In September, the average length of the day is 11h and 59min.On the first day of the month, sunrise is at 06:56 and sunset at 18:41. On the last day of September, sunrise is at 06:31 and sunset at 18:46 CAT.
Sunshine
The average sunshine in September is 9.9h.UV index
In Tsumeb, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 6 during September leads to these advisories:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the least humid month in Tsumeb?
What is the average humidity in September?
When does it start raining?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Tsumeb, 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
Tsumeb, 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
Tsumeb, 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
Tsumeb, 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
Tsumeb, 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
Tsumeb, 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
Tsumeb, Namibia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- 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
Tsumeb, 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
Tsumeb, 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
Tsumeb, 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
Tsumeb, 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).
