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
The shift from August to September is marked by a slight increase in the average high-temperature, moving from 25.3°C (77.5°F) to a still moderately hot 29.8°C (85.6°F). Lephepe, after an intense day, registers a significant cooling to an average low-temperature of 14.5°C (58.1°F) throughout September.Humidity
With an average relative humidity of 31%, September is the least humid month.Rainfall
Months with rainfall are January through July, September through December. 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, there are 86.3 rainfall days, and 294mm (11.57") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 58min.On the first day of the month, sunrise is at 06:26 and sunset at 18:06. On the last day of September, sunrise is at 05:57 and sunset at 18:15 CAT.
Sunshine
The average sunshine in September is 10h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 6 translates into these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. 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
Is it hot during September?
What is the least humid month?
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 many hours of sunshine does Lephepe have in September?
What is the UV index intensity in September?
Average temperature in September
Lephepe, Botswana
- Average high temperature in September: 29.8°C
The warmest month (with the highest average high temperature) is October (31.7°C).
The month with the lowest average high temperature is July (21.1°C).
- Average low temperature in September: 14.5°C
The month with the highest average low temperature is December (21.1°C).
The coldest month (with the lowest average low temperature) is July (8.2°C).
Average pressure in September
Lephepe, Botswana
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is July (1023.7mbar).
The month with the lowest atmospheric pressure is January (1011.2mbar).
Average wind speed in September
Lephepe, Botswana
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is October (13km/h).
The calmest month (with the lowest average wind speed) is May (7.4km/h).
Average humidity in September
Lephepe, 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
Lephepe, Botswana
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is December (68mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in September
Lephepe, Botswana
- Average rainfall days in September: 1.8 days
The month with the highest number of rainy days is January (15.7 days).
The month with the least rainy days is August (0.3 days).
Average daylight in September /
Average sunshine in September
Lephepe, 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 42min).
- 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
Lephepe, Botswana
- Average sunshine days in September: 27.3 days
The month with the most sunshine days is August (30.3 days).
The month with the least sunshine days is December (10.4 days).
Average UV index in September
Lephepe, Botswana
- Average UV index in September: 6
The months with the highest UV index are January, October, November and December (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 5).
Average cloud cover in September
Lephepe, 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 4).
Average visibility in September
Lephepe, 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).
