September weather forecastMassala, Congo

September

Weather in September

The first month of the spring, September, is still a warm month in Massala, Congo, with an average temperature ranging between max 25.2°C (77.4°F) and min 22.6°C (72.7°F).

Temperature

September records an average high-temperature of a still moderately hot 25.2°C (77.4°F), indicating a minor variation from the preceding month. Throughout September nights, Massala records a consistent low-temperature averaging an agreeable 22.6°C (72.7°F).

Humidity

In September, the average relative humidity is 85%.

Rainfall

In Massala, in September, during 16.8 rainfall days, 22mm (0.87") of precipitation is typically accumulated. In Massala, during the entire year, the rain falls for 242 days and collects up to 1179mm (46.42") of precipitation.

Daylight

The average length of the day in September is 12h and 5min.
On the first day of September, sunrise is at 06:13 and sunset at 18:16. On the last day of the month, sunrise is at 06:00 and sunset at 18:09 WAT.

Sunshine

With an average of 5.7h of sunshine, September has the least sunshine of the year in Massala.

UV index

The months with the lowest UV index in Massala are February, May through October, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. 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. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

An average high-temperature, in September, in Massala, is 25.2°C (77.4°F) and the average low-temperature is 22.6°C (72.7°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in May is calculated to be 32°C (89.6°F).

In Massala, Congo, the average relative humidity in September is 85%.

In Massala, Congo, in September, during 16.8 rainfall days, 22mm (0.87") of precipitation is typically accumulated.

The average day length in September in Massala is 12h and 5min.

In September, on the first day of the month, sunrise is at 06:13 and sunset at 18:16. On the last day of the month, in Massala, Congo, sunrise is at 06:00 and sunset at 18:09 WAT.

The month with the least sunshine in Massala is September, with an average of 5.7h of sunshine.

In September, the average sunshine duration in Massala is 5.7h.

February, May through October, with an average maximum UV index of 6, are months with the lowest UV index in Massala.

In Massala, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Massala, Congo

  • Average high temperature in September: 25.2°C

The warmest months (with the highest average high temperature) are March and April (29°C).
The months with the lowest average high temperature are July and August (24.3°C).

  • Average low temperature in September: 22.6°C

The months with the highest average low temperature are February and April (25.5°C).
The coldest month (with the lowest average low temperature) is July (20.5°C).

Average pressure in September
Massala, Congo

  • Average pressure in September: 1013.4mbar

The month with the highest atmospheric pressure is July (1014.5mbar).
The months with the lowest atmospheric pressure are February and March (1010.1mbar).

Average wind speed in September
Massala, Congo

  • Average wind speed in September: 11.4km/h

The windiest month (with the highest average wind speed) is October (11.6km/h).
The calmest month (with the lowest average wind speed) is January (8.4km/h).

Average humidity in September
Massala, Congo

  • Average humidity in September: 85%

The months with the highest relative humidity are May, October and November (86%).
The months with the lowest relative humidity are February and March (82%).

Average rainfall in September
Massala, Congo

  • Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is November (225mm).
The driest month (with the least rainfall) is July (3mm).

Average rainfall days in September
Massala, Congo

  • Average rainfall days in September: 16.8 days

The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is July (4.7 days).

Average daylight in September /
Average sunshine in September
Massala, Congo

  • Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).

  • Average sunshine in September: 5h and 42min

The month with the most sunshine is June (Average sunshine: 8h and 18min).
The month with the least sunshine is September (Average sunshine: 5h and 42min).

Average sunshine days in September
Massala, Congo

  • Average sunshine days in September: 5.5 days

The month with the most sunshine days is July (22.4 days).
The month with the least sunshine days is November (0.9 days).

Average UV index in September
Massala, Congo

  • Average UV index in September: 6

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

Average cloud cover in September
Massala, Congo

  • Average cloud cover in September: 67

The month with the most cloud cover is October (Cloud cover 69).
The month with the least cloud cover is June (Cloud cover 40).

Average visibility in September
Massala, Congo

  • Average visibility in September: 10km

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