September weather forecast
Serowe, Botswana

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Weather in September

September presents a steady evolution in Serowe's climate. Although temperatures remain moderate, the city begins to feel warmer as both the day and night temperatures leap reasonably from the previous month. Correspondingly, clear, sunny days become more typical as September records the lowest average cloud coverage in the year. Equally moderate winds grace the city, adding to the agreeable ambience. The overall scenario in September is one of increasing warmth with nominal rainfall and substantial sunny days.

Temperature

September in Serowe showcases a minor temperature ascent, adjusting from August's 25.4°C (77.7°F) to a still moderately hot 29.5°C (85.1°F). Serowe logs a considerable temperature decrease from the daytime highs during the nights in September, with an average reading of 15.5°C (59.9°F).

Humidity

September is the least humid month in Serowe, Botswana, with an average relative humidity of 34%.

Rainfall

January through July, September through December are months with rainfall in Serowe, Botswana. 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 September, the average length of the day 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 in Serowe is 10.2h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A typical high UV index of 6 in September suggests the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 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. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Jan 29, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How hot is September in Serowe?

In Serowe, 29.5°C (85.1°F) is the average high-temperature and 15.5°C (59.9°F) is the average low-temperature during September. In March, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 31°C (87.8°F).

What is the least humid month in Serowe?

September is the least humid month in Serowe, with an average relative humidity of 34%.

What is the average humidity in September in Serowe?

In Serowe, the average relative humidity in September is 34%.

When does it start to rain in Serowe?

September is the first month it rains in Serowe. Throughout September, in the average 1.5 rainfall days, it receives 3mm (0.12") of precipitation.

What is the average length of the day in September in Serowe?

The average day length in September in Serowe is 11h and 58min.

When are sunrise and sunset in September in Serowe?

On the first day of September in Serowe, 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.

How long on average sun shines in September in Serowe?

In Serowe, the average sunshine duration in September is 10.2h.

How high is the UV index in September in Serowe?

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in September
Serowe, Botswana

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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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).

Serowe, Botswana

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