September weather forecast
Irogo, Congo

September

Weather in September

September, the first month of the spring in Irogo, is still a warm month, with temperature in the range of an average low of 21.2°C (70.2°F) and an average high of 29.3°C (84.7°F).

Temperature

The shift into September records an average high-temperature of a moderately hot 29.3°C (84.7°F), subtly varied from August's 30.2°C (86.4°F). In September, the nighttime temperature lowers to an average of 21.2°C (70.2°F).

Heat index

The heat index in September is computed to be a torrid 35°C (95°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Factoring in the heat index, values are geared towards shaded areas with light breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In September, the average relative humidity in Irogo, Congo, is 77%.

Rainfall

In Irogo, in September, it is raining for 18.1 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, there are 274.1 rainfall days, and 1640mm (64.57") of precipitation is accumulated.

Daylight

In Irogo, Congo, the average length of the day in September is 12h and 6min.
On the first day of the month, sunrise is at 06:10 and sunset at 18:14. On the last day of September, sunrise is at 05:58 and sunset at 18:06 WAT.

Sunshine

In Irogo, Congo, the average sunshine in September is 4.9h.

UV index

The months with the highest UV index in Irogo are January through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: During September, 6 as the daily maximum UV index converts into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

How hot does it get in Irogo in September?
The high-temperature, in September, in Irogo, records 29.3°C (84.7°F), while the low-temperature is 21.2°C (70.2°F). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 35°C (95°F).
What is the average humidity in September in Irogo?
In Irogo, Congo, the average relative humidity in September is 77%.
How many days does it rain in September in Irogo?
In Irogo, Congo, in September, it is raining for 18.1 days, with typically 44mm (1.73") of accumulated precipitation.
How many hours of daylight does Irogo have in September?
In September, the average day length in Irogo is 12h and 6min.
When is the sunrise / sunset in September in Irogo?
On the first day of September, sunrise is at 06:10 and sunset at 18:14. On the last day of the month, sunrise is at 05:58 and sunset at 18:06 WAT.
How many hours of sunshine does Irogo have in September?
The average sunshine duration in September in Irogo is 4.9h.
What are the months with the highest UV index in Irogo?
January through September, with an average maximum UV index of 6, are months with the highest UV index.
What is the UV index reading in September in Irogo?
The average daily maximum UV index in September in Irogo is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
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 - Irogo, Congo
Average temperature in September
Irogo, Congo
  • Average high temperature in September: 29.3°C

The warmest month (with the highest average high temperature) is March (30.6°C).
The month with the lowest average high temperature is November (28.3°C).

  • Average low temperature in September: 21.2°C

The month with the highest average low temperature is March (21.9°C).
The coldest month (with the lowest average low temperature) is July (18.6°C).

Average pressure in September - Irogo, Congo
Average pressure in September
Irogo, Congo
  • Average pressure in September: 1013.2mbar

The month with the highest atmospheric pressure is July (1014.4mbar).
The months with the lowest atmospheric pressure are February and March (1010.3mbar).

Average wind speed in September - Irogo, Congo
Average wind speed in September
Irogo, Congo
  • Average wind speed in September: 6.1km/h

The windiest month (with the highest average wind speed) is August (6.5km/h).
The calmest months (with the lowest average wind speed) are January and December (4km/h).

Average humidity in September - Irogo, Congo
Average humidity in September
Irogo, Congo
  • Average humidity in September: 77%

The month with the highest relative humidity is November (91%).
The month with the lowest relative humidity is August (72%).

Average rainfall in September - Irogo, Congo
Average rainfall in September
Irogo, Congo
  • Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is November (267mm).
The driest month (with the least rainfall) is July (4mm).

Average rainfall days in September - Irogo, Congo
Average rainfall days in September
Irogo, Congo
  • Average rainfall days in September: 18.1 days

The month with the highest number of rainy days is December (30.2 days).
The month with the least rainy days is July (6.3 days).

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

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 12h and 0min).

  • Average sunshine in September: 4h and 5min

The month with the most sunshine is July (Average sunshine: 7h and 18min).
The month with the least sunshine is October (Average sunshine: 4h and 42min).

Average sunshine days in September - Irogo, Congo
Average sunshine days in September
Irogo, Congo
  • Average sunshine days in September: 6.9 days

The month with the most sunshine days is July (20.7 days).
The months with the least sunshine days are November and December (0.5 days).

Average UV index in September - Irogo, Congo
Average UV index in September
Irogo, Congo
  • Average UV index in September: 6

The months with the highest UV index are January, February, March, April, May, June, July, August and September (UV index 6).
The months with the lowest UV index are October, November and December (UV index 5).

Average cloud cover in September - Irogo, Congo
Average cloud cover in September
Irogo, Congo
  • Average cloud cover in September: 70

The month with the most cloud cover is October (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 50).

Average visibility in September - Irogo, Congo
Average visibility in September
Irogo, Congo
  • Average visibility in September: 9km

The month with the highest visibility is August (10km).
The month with the lowest visibility is November (5km).

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