September weather forecastBawbaw, Sierra Leone

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Bawbaw, Sierra Leone, with an average temperature ranging between min 24.4°C (75.9°F) and max 28.1°C (82.6°F).

Temperature

As August transitions into September, the average high-temperature rests at a still moderately hot 28.1°C (82.6°F), maintaining a close resemblance to the previous month. During September, the nighttime temperatures align closely with the daytime averages, measuring a still warm 24.4°C (75.9°F).

Heat index

The heat index for September is evaluated at a tropical 33°C (91.4°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

The average relative humidity in September in Bawbaw is 85%.

Rainfall

In September, in Bawbaw, the rain falls for 28.6 days. Throughout September, 220mm (8.66") of precipitation is accumulated. In Bawbaw, Sierra Leone, during the entire year, the rain falls for 205.9 days and collects up to 1507mm (59.33") of precipitation.

Daylight

In September, the average length of the day in Bawbaw is 12h and 10min.
On the first day of September in Bawbaw, sunrise is at 06:44 and sunset at 19:00. On the last day of the month, sunrise is at 06:41 and sunset at 18:44 GMT.

Sunshine

In Bawbaw, the average sunshine in September is 6.7h.

UV index

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 7 during September leads to these instructions:
Deflect overexposure. Sun protection is a necessity. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

An average high-temperature, in September, in Bawbaw, is 28.1°C (82.6°F) and the average low-temperature is 24.4°C (75.9°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 33°C (91.4°F).

The average relative humidity in September in Bawbaw is 85%.

In September, in Bawbaw, Sierra Leone, the rain falls for 28.6 days. Throughout September, 220mm (8.66") of precipitation is accumulated.

The average day length in September in Bawbaw is 12h and 10min.

On the first day of September in Bawbaw, sunrise is at 06:44 and sunset at 19:00. On the last day of the month, sunrise is at 06:41 and sunset at 18:44 GMT.

In September, the average sunshine duration in Bawbaw, Sierra Leone, is 6.7h.

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Bawbaw, Sierra Leone.

In Bawbaw, Sierra Leone, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bawbaw, Sierra Leone

  • Average high temperature in September: 28.1°C

The warmest month (with the highest average high temperature) is January (31.4°C).
The month with the lowest average high temperature is August (27.3°C).

  • Average low temperature in September: 24.4°C

The month with the highest average low temperature is May (26.2°C).
The coldest month (with the lowest average low temperature) is August (23.9°C).

Average pressure in September
Bawbaw, Sierra Leone

  • Average pressure in September: 1012.8mbar

The month with the highest atmospheric pressure is July (1013.8mbar).
The months with the lowest atmospheric pressure are February and March (1010.4mbar).

Average wind speed in September
Bawbaw, Sierra Leone

  • Average wind speed in September: 9.5km/h

The windiest month (with the highest average wind speed) is August (12km/h).
The calmest month (with the lowest average wind speed) is November (6.8km/h).

Average humidity in September
Bawbaw, Sierra Leone

  • Average humidity in September: 85%

The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (68%).

Average rainfall in September
Bawbaw, Sierra Leone

  • Average rainfall in September: 220mm

The wettest month (with the highest rainfall) is August (391mm).
The driest month (with the least rainfall) is February (1mm).

Average rainfall days in September
Bawbaw, Sierra Leone

  • Average rainfall days in September: 28.6 days

The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is February (0.8 days).

Average daylight in September /
Average sunshine in September
Bawbaw, Sierra Leone

  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).

  • Average sunshine in September: 6h and 42min

The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 4h and 48min).

Average sunshine days in September
Bawbaw, Sierra Leone

  • Average sunshine days in September: 0.8 days

The month with the most sunshine days is January (29 days).
The month with the least sunshine days is August (0.5 days).

Average UV index in September
Bawbaw, Sierra Leone

  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).

Average cloud cover in September
Bawbaw, Sierra Leone

  • Average cloud cover in September: 55

The month with the most cloud cover is August (Cloud cover 67).
The month with the least cloud cover is February (Cloud cover 11).

Average visibility in September
Bawbaw, Sierra Leone

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).