September weather forecastYendé-Millimou, Guinea

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Yendé-Millimou, Guinea, with an average temperature varying between 26.8°C (80.2°F) and 19.2°C (66.6°F).

Temperature

Yendé-Millimou experiences a recorded average high-temperature of a still warm 26.8°C (80.2°F) in September, closely aligned with August's 25.4°C (77.7°F). In September, Yendé-Millimou reports a consistent average low-temperature of 19.2°C (66.6°F) during the nights.

Humidity

The average relative humidity in September is 92%.

Rainfall

September is the month with the most rainfall. Rain falls for 29.1 days and accumulates 279mm (10.98") of precipitation.

Daylight

In Yendé-Millimou, the average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 06:32 and sunset at 18:48. On the last day of September, sunrise is at 06:28 and sunset at 18:31 GMT.

Sunshine

In September, the average sunshine is 5h.

UV index

In Yendé-Millimou, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 6 during September translates into these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Updated: Aug 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in September, in Yendé-Millimou, is 26.8°C (80.2°F), while the average low-temperature is 19.2°C (66.6°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in June is appraised at 36°C (96.8°F).

In September, the average relative humidity is 92%.

The month with the most rainfall is September, when the rain falls for 29.1 days and typically aggregates up to 279mm (10.98") of precipitation.

In Yendé-Millimou, during September, the rain falls for 29.1 days and regularly aggregates up to 279mm (10.98") of precipitation.

In September, the average day length is 12h and 10min.

On the first day of September, sunrise is at 06:32 and sunset at 18:48. On the last day of the month, sunrise is at 06:28 and sunset at 18:31 GMT.

In September, the average sunshine duration is 5h.

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

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

25.4°C

26.8°C

28.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.8km/h

4.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

0.3

0.4

2.1

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Yendé-Millimou, Guinea

Average high temperature in September: 26.8°C

The warmest months (with the highest average high temperature) are February and March (34.8°C).
The month with the lowest average high temperature is August (25.4°C).

Average low temperature in September: 19.2°C

The month with the highest average low temperature is April (20.5°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).

Average pressure in September
Yendé-Millimou, Guinea

Average pressure in September: 1013.5mbar

The month with the highest atmospheric pressure is July (1014.4mbar).
The month with the lowest atmospheric pressure is March (1010.7mbar).

Average wind speed in September
Yendé-Millimou, Guinea

Average wind speed in September: 4.4km/h

The windiest month (with the highest average wind speed) is August (5.4km/h).
The calmest months (with the lowest average wind speed) are October and November (3.9km/h).

Average humidity in September
Yendé-Millimou, Guinea

Average humidity in September: 92%

The month with the highest relative humidity is August (94%).
The month with the lowest relative humidity is January (38%).

Average rainfall in September
Yendé-Millimou, Guinea

Average rainfall in September: 279mm

The wettest month (with the highest rainfall) is September (279mm).
The driest month (with the least rainfall) is December (1mm).

Average rainfall days in September
Yendé-Millimou, Guinea

Average rainfall days in September: 29.1 days

The month with the highest number of rainy days is August (29.9 days).
The month with the least rainy days is December (2.1 days).

Average daylight in September /
Average sunshine in September
Yendé-Millimou, Guinea

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: 5h and 0min

The month with the most sunshine is December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 3h and 12min).