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
Kos observes a slight ascent in average high-temperatures during September, adjusting from a moderately hot 23.6°C (74.5°F) in August to a still warm 27.3°C (81.1°F). Kos's daily high temperature significantly diverges from the consistently recorded temperature low averaging a fresh 12.7°C (54.9°F) in September.Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 19%.Rainfall
January through May, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 1.6 rainfall days, it receives 2mm (0.08") of precipitation. In Kos, Namibia, during the entire year, the rain falls for 80.2 days and collects up to 304mm (11.97") of precipitation.Daylight
In Kos, the average length of the day in September is 11h and 58min.On the first day of September, sunrise is at 07:05 and sunset at 18:45. On the last day of the month, sunrise is at 06:36 and sunset at 18:54 CAT.
Sunshine
In September, the average sunshine is 9.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Prioritize safety - Suggestions to prevent sun damage are offered. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the least humid month?
What is the average humidity in September in Kos?
When does it start raining?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in Kos?
How high is the UV index in September?
Average temperature in September
Kos, 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
Kos, 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
Kos, 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
Kos, 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
Kos, 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
Kos, 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
Kos, 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 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
Kos, 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
Kos, 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
Kos, 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
Kos, 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).
