September weather forecastDumadumana, Botswana
September
Weather in September
September, the first month of the spring in Dumadumana, is still a warm month, with an average temperature varying between 29.5°C (85.1°F) and 14.2°C (57.6°F).Temperature
The arrival of September signals a slight increase in the average high-temperature, moving from 25.3°C (77.5°F) in August to a still warm 29.5°C (85.1°F). Despite the significant gap from daytime peaks, Dumadumana experiences an average low-temperature of 14.2°C (57.6°F) in September.Humidity
With an average relative humidity of 31%, September is the least humid month in Dumadumana.Rainfall
January through July, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 1.8 rainfall days, it receives 2mm (0.08") of precipitation. Throughout the year, in Dumadumana, there are 81.7 rainfall days, and 242mm (9.53") of precipitation is accumulated.Daylight
In September, the average length of the day in Dumadumana is 11h and 58min.On the first day of September in Dumadumana, sunrise is at 06:27 and sunset at 18:05. On the last day of the month, sunrise is at 05:56 and sunset at 18:15 CAT.
Sunshine
In September, the average sunshine is 10h.UV index
In Dumadumana, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dumadumana, Botswana
- Average high temperature in September: 29.5°C
The warmest months (with the highest average high temperature) are October, November and December (31.5°C).
The month with the lowest average high temperature is July (20.9°C).
- Average low temperature in September: 14.2°C
The month with the highest average low temperature is January (21°C).
The coldest month (with the lowest average low temperature) is July (7.7°C).
Average pressure in September
Dumadumana, Botswana
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is July (1023.9mbar).
The month with the lowest atmospheric pressure is January (1011.3mbar).
Average wind speed in September
Dumadumana, Botswana
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is October (11.8km/h).
The calmest month (with the lowest average wind speed) is May (6.4km/h).
Average humidity in September
Dumadumana, Botswana
- Average humidity in September: 31%
The month with the highest relative humidity is February (56%).
The month with the lowest relative humidity is September (31%).
Average rainfall in September
Dumadumana, Botswana
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is January (52mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in September
Dumadumana, Botswana
- Average rainfall days in September: 1.8 days
The month with the highest number of rainy days is January (14.5 days).
The month with the least rainy days is August (0.5 days).
Average daylight in September /
Average sunshine in September
Dumadumana, Botswana
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is October (Average sunshine: 11h and 54min).
The months with the least sunshine are May, June and July (Average sunshine: 7h and 36min).
Average sunshine days in September
Dumadumana, Botswana
- Average sunshine days in September: 27.5 days
The month with the most sunshine days is August (29.3 days).
The months with the least sunshine days are January and December (12.9 days).
Average UV index in September
Dumadumana, Botswana
- Average UV index in September: 6
The months with the highest UV index are January, October and November (UV index 7).
The month with the lowest UV index is June (UV index 4).
Average cloud cover in September
Dumadumana, Botswana
- Average cloud cover in September: 7
The month with the most cloud cover is January (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Dumadumana, Botswana
- 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).





