September weather forecast
Boko, Congo

September

Weather in September

The first month of the spring, September, is also a hot month in Boko, Congo, with an average temperature varying between 22.9°C (73.2°F) and 32.9°C (91.2°F).

Temperature

Boko experiences a minor change to a still tropical 32.9°C (91.2°F) in average high-temperature during September, closely reflecting August. During September, Boko's temperature averages to a pleasant 22.9°C (73.2°F) at night.

Heat index

For September, the heat index is computed to be a blistering 40°C (104°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The average relative humidity in September is 61%.

Rainfall

In Boko, during September, the rain falls for 13.7 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 197.9 rainfall days, and 837mm (32.95") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 5min.
On the first day of the month, sunrise is at 06:00 and sunset at 18:02. On the last day of September, sunrise is at 05:46 and sunset at 17:55 WAT.

Sunshine

In Boko, the average sunshine in September is 8.8h.

UV index

The months with the highest UV index are January, April through October and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

How hot does it get in September?
In September, in Boko, the average high-temperature is 32.9°C (91.2°F), and the average low-temperature is 22.9°C (73.2°F). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 40°C (104°F).
What is the average humidity in September?
The average relative humidity in September is 61%.
How many days does it rain in September?
In Boko, in September, during 13.7 rainfall days, 36mm (1.42") of precipitation is typically accumulated.
What is the average length of the day in September?
In Boko, the average day length in September is 12h and 5min.
When are sunrise and sunset in September?
On the first day of September, sunrise is at 06:00 and sunset at 18:02. On the last day of the month, sunrise is at 05:46 and sunset at 17:55 WAT.
How many hours of sunshine does Boko have in September?
The average sunshine duration in September is 8.8h.
When is the highest UV index?
The months with the highest UV index are January, April through October and December, with an average maximum UV index of 7.
How high is the UV index in September?
The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Boko, Congo
  • Average high temperature in September: 32.9°C

The warmest month (with the highest average high temperature) is August (33.3°C).
The month with the lowest average high temperature is December (29.5°C).

  • Average low temperature in September: 22.9°C

The month with the highest average low temperature is September (22.9°C).
The coldest months (with the lowest average low temperature) are June and July (20.9°C).

Average pressure in September
Boko, Congo
  • Average pressure in September: 1011.7mbar

The month with the highest atmospheric pressure is June (1013mbar).
The month with the lowest atmospheric pressure is February (1010.2mbar).

Average wind speed in September
Boko, Congo
  • Average wind speed in September: 7.4km/h

The windiest month (with the highest average wind speed) is August (8.1km/h).
The calmest months (with the lowest average wind speed) are April, May and December (4.5km/h).

Average humidity in September
Boko, Congo
  • Average humidity in September: 61%

The months with the highest relative humidity are November and December (84%).
The month with the lowest relative humidity is August (55%).

Average rainfall in September
Boko, Congo
  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is October (126mm).
The driest month (with the least rainfall) is July (2mm).

Average rainfall days in September
Boko, Congo
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is December (23.6 days).
The month with the least rainy days is July (2.8 days).

Average daylight in September /
Average sunshine in September
Boko, Congo
  • Average daylight in September: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is January (Average sunshine: 9h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).

Average sunshine days in September
Boko, Congo
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is January (6.2 days).

Average UV index in September
Boko, Congo
  • Average UV index in September: 7

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

Average cloud cover in September
Boko, Congo
  • Average cloud cover in September: 36

The month with the most cloud cover is November (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 18).

Average visibility in September
Boko, Congo
  • Average visibility in September: 10km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, March, April, November and December (8km).

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