Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Mambiya notes an average high-temperature of a still moderately hot 28°C (82.4°F) in September, displaying minor variation from August. Mambiya experiences an average nighttime temperature of 20.8°C (69.4°F) in the month of September.Heat index
The heat index value for September is computed to be a hot 34°C (93.2°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Know that the heat index computations account for shaded terrains and slight winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In Mambiya, the average relative humidity in September is 92%.Rainfall
In September, the rain falls for 29.7 days. Throughout September, 254mm (10") of precipitation is accumulated. In Mambiya, during the entire year, the rain falls for 209.7 days and collects up to 1688mm (66.46") of precipitation.Daylight
In September, the average length of the day is 12h and 11min.On the first day of the month, sunrise is at 06:43 and sunset at 19:01. On the last day of September, sunrise is at 06:40 and sunset at 18:43 GMT.
Sunshine
In Mambiya, the average sunshine in September is 5.7h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the UV index of 6 transforms into the following advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Mambiya have in September?
What is the UV index intensity in September?
Average temperature in September
Mambiya, Guinea
- Average high temperature in September: 28°C
The warmest month (with the highest average high temperature) is March (39.2°C).
The month with the lowest average high temperature is August (26.8°C).
- Average low temperature in September: 20.8°C
The month with the highest average low temperature is May (22.8°C).
The coldest month (with the lowest average low temperature) is January (18.1°C).
Average pressure in September
Mambiya, Guinea
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is July (1014mbar).
The months with the lowest atmospheric pressure are March and April (1010.5mbar).
Average wind speed in September
Mambiya, Guinea
- Average wind speed in September: 4km/h
The windiest month (with the highest average wind speed) is April (5.5km/h).
The calmest month (with the lowest average wind speed) is October (3.4km/h).
Average humidity in September
Mambiya, 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 (43%).
Average rainfall in September
Mambiya, Guinea
- Average rainfall in September: 254mm
The wettest month (with the highest rainfall) is August (436mm).
The driest months (with the least rainfall) are January and February (1mm).
Average rainfall days in September
Mambiya, Guinea
- Average rainfall days in September: 29.7 days
The month with the highest number of rainy days is August (30.8 days).
The month with the least rainy days is February (0.8 days).
Average daylight in September /
Average sunshine in September
Mambiya, Guinea
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in September: 5h and 4min
The months with the most sunshine are January, February, March and December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 3h and 48min).
Average sunshine days in September
Mambiya, Guinea
- Average sunshine days in September: 0.1 days
The month with the most sunshine days is January (29.7 days).
The months with the least sunshine days are August and September (0.1 days).
Average UV index in September
Mambiya, Guinea
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April and November (UV index 7).
The months with the lowest UV index are July and August (UV index 5).
Average cloud cover in September
Mambiya, Guinea
- Average cloud cover in September: 71
The month with the most cloud cover is August (Cloud cover 82).
The month with the least cloud cover is February (Cloud cover 9).
Average visibility in September
Mambiya, Guinea
- Average visibility in September: 6km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are July, August and September (6km).
