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
Serowe's transition into September is noticed by a slight rise in the average high-temperature, advancing from a warm 25.4°C (77.7°F) in August to a still moderately hot 29.5°C (85.1°F). Serowe documents a substantial shift from daytime warmth, recording an average nighttime temperature of 15.5°C (59.9°F) in September.Humidity
September is the least humid month, with an average relative humidity of 34%.Rainfall
January through July, 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. In Serowe, during the entire year, the rain falls for 88.8 days and collects up to 328mm (12.91") of precipitation.Daylight
In Serowe, Botswana, the average length of the day in September is 11h and 58min.On the first day of September, sunrise is at 06:22 and sunset at 18:03. On the last day of the month, sunrise is at 05:54 and sunset at 18:11 CAT.
Sunshine
The average sunshine in September is 10.2h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 6 suggests this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is 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 Serowe have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Serowe have in September?
How high is the UV index in September?
Average temperature in September
Serowe, Botswana
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is October (31.4°C).
The month with the lowest average high temperature is July (21.3°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is December (20.8°C).
The coldest month (with the lowest average low temperature) is July (8.8°C).
Average pressure in September
Serowe, Botswana
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is July (1023.5mbar).
The month with the lowest atmospheric pressure is January (1011.3mbar).
Average wind speed in September
Serowe, Botswana
- Average wind speed in September: 14.5km/h
The windiest month (with the highest average wind speed) is October (16.1km/h).
The calmest month (with the lowest average wind speed) is May (9km/h).
Average humidity in September
Serowe, Botswana
- Average humidity in September: 34%
The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is September (34%).
Average rainfall in September
Serowe, Botswana
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is December (85mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in September
Serowe, Botswana
- Average rainfall days in September: 1.5 days
The month with the highest number of rainy days is December (17.3 days).
The month with the least rainy days is August (0.3 days).
Average daylight in September /
Average sunshine in September
Serowe, Botswana
- 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: 10h and 1min
The month with the most sunshine is October (Average sunshine: 11h and 48min).
The months with the least sunshine are May, June and July (Average sunshine: 7h and 36min).
Average sunshine days in September
Serowe, Botswana
- Average sunshine days in September: 27.7 days
The month with the most sunshine days is August (30 days).
The month with the least sunshine days is December (11.2 days).
Average UV index in September
Serowe, Botswana
- Average UV index in September: 6
The months with the highest UV index are January, October and November (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 5).
Average cloud cover in September
Serowe, Botswana
- Average cloud cover in September: 8
The month with the most cloud cover is January (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Serowe, 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).
