September weather forecastLaine, Guinea
September
Weather in September
September stands out as the month with the highest precipitation with a significantly high average of 250mm (9.84"). This month also indicates a shift in the season as temperatures increase to a high of 27.4°C (81.3°F). Continuing from the weather trend established in August, the city gradually experiences longer daylight hours, similar to daylight hours in March. Notwithstanding the high rainfall, the start of a new season brings about distinct weather changes. Gradual changes in the city’s weather indicate the onset of the dry season.Temperature
September's presence records an average high-temperature of a still warm 27.4°C (81.3°F), closely mirroring August's climate. Throughout September, Laine records an average temperature of 20°C (68°F) at night.Heat index
The heat index value for September is evaluated at a tropical 32°C (89.6°F). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The months with the highest humidity are August and September, with an average relative humidity of 92%.Rainfall
The month with the most rainfall is September, when the rain falls for 29.8 days and typically aggregates up to 250mm (9.84") of precipitation.Daylight
In Laine, the average length of the day in September is 12h and 10min.On the first day of September, sunrise is at 06:25 and sunset at 18:41. On the last day of the month, sunrise is at 06:22 and sunset at 18:25 GMT.
Sunshine
In Laine, the average sunshine in September is 5.4h.UV index
The months with the lowest UV index are May through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Make use of precautions - Suggestions to resist sunburn are communicated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Laine, Guinea
- Average high temperature in September: 27.4°C
The warmest month (with the highest average high temperature) is February (34.7°C).
The month with the lowest average high temperature is August (26.1°C).
- Average low temperature in September: 20°C
The months with the highest average low temperature are April and May (21.3°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure in September
Laine, Guinea
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is July (1014.5mbar).
The months with the lowest atmospheric pressure are February and March (1010.8mbar).
Average wind speed in September
Laine, Guinea
- Average wind speed in September: 4.5km/h
The windiest month (with the highest average wind speed) is August (5.7km/h).
The calmest months (with the lowest average wind speed) are October and November (3.8km/h).
Average humidity in September
Laine, Guinea
- Average humidity in September: 92%
The months with the highest relative humidity are August and September (92%).
The month with the lowest relative humidity is January (47%).
Average rainfall in September
Laine, Guinea
- Average rainfall in September: 250mm
The wettest month (with the highest rainfall) is September (250mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in September
Laine, Guinea
- Average rainfall days in September: 29.8 days
The month with the highest number of rainy days is August (30.5 days).
The month with the least rainy days is December (3 days).
Average daylight in September /
Average sunshine in September
Laine, 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 42min).
- Average sunshine in September: 5h and 24min
The months with the most sunshine are January and December (Average sunshine: 9h and 48min).
The month with the least sunshine is August (Average sunshine: 3h and 48min).
Average sunshine days in September
Laine, Guinea
- Average sunshine days in September: 0.1 days
The month with the most sunshine days is December (26.7 days).
The month with the least sunshine days is September (0.1 days).
Average UV index in September
Laine, Guinea
- Average UV index in September: 5
The months with the highest UV index are January, February and March (UV index 7).
The months with the lowest UV index are May, June, July, August and September (UV index 5).
Average cloud cover in September
Laine, Guinea
- Average cloud cover in September: 76
The month with the most cloud cover is August (Cloud cover 84).
The month with the least cloud cover is December (Cloud cover 14).
Average visibility in September
Laine, Guinea
- Average visibility in September: 6km
The months with the highest visibility are January, February and December (9km).
The months with the lowest visibility are May, June, July, August, September and October (6km).
