September weather forecastMuno, Guinea-Bissau
September
Weather in September
September, the first month of the autumn in Muno, is also a hot month, with an average temperature varying between 23.6°C (74.5°F) and 31.4°C (88.5°F).Temperature
Muno's weather in September displays an average high-temperature of a still hot 31.4°C (88.5°F), showing minor disparity from August's 30.5°C (86.9°F). During September, Muno records a consistent average nighttime temperature of 23.6°C (74.5°F).Heat index
The heat index in September is computed to be a blistering 44°C (111.2°F). Keep on guard: Heat exhaustion and heat cramps are probable. Heatstroke is a possible danger with ongoing physical activity.Keep in mind the heat index values are meant for areas in shade and with light wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
The months with the highest humidity in Muno are August and September, with an average relative humidity of 84%.Rainfall
In Muno, in September, it is raining for 24.5 days, with typically 153mm (6.02") of accumulated precipitation. Throughout the year, in Muno, Guinea-Bissau, there are 111.2 rainfall days, and 710mm (27.95") of precipitation is accumulated.Daylight
In Muno, the average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 06:51 and sunset at 19:12. On the last day of September, in Muno, sunrise is at 06:51 and sunset at 18:52 GMT.
Sunshine
The average sunshine in September in Muno is 7.2h.UV index
In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 7 in September translates into this advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Muno, Guinea-Bissau
- Average high temperature in September: 31.4°C
The warmest month (with the highest average high temperature) is April (40.3°C).
The month with the lowest average high temperature is August (30.5°C).
- Average low temperature in September: 23.6°C
The month with the highest average low temperature is June (25.3°C).
The coldest month (with the lowest average low temperature) is January (20.1°C).
Average pressure in September
Muno, Guinea-Bissau
- Average pressure in September: 1012.2mbar
The month with the highest atmospheric pressure is July (1012.7mbar).
The month with the lowest atmospheric pressure is April (1009.8mbar).
Average wind speed in September
Muno, Guinea-Bissau
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is June (10.1km/h).
The calmest month (with the lowest average wind speed) is October (6.5km/h).
Average humidity in September
Muno, Guinea-Bissau
- Average humidity in September: 84%
The months with the highest relative humidity are August and September (84%).
The month with the lowest relative humidity is January (22%).
Average rainfall in September
Muno, Guinea-Bissau
- Average rainfall in September: 153mm
The wettest month (with the highest rainfall) is August (245mm).
The driest months (with the least rainfall) are January, February, March and December (0mm).
Average rainfall days in September
Muno, Guinea-Bissau
- Average rainfall days in September: 24.5 days
The month with the highest number of rainy days is August (27 days).
The month with the least rainy days is January (0.1 days).
Average daylight in September /
Average sunshine in September
Muno, Guinea-Bissau
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in September: 7h and 12min
The month with the most sunshine is April (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 5h and 48min).
Average sunshine days in September
Muno, Guinea-Bissau
- Average sunshine days in September: 3.3 days
The month with the most sunshine days is January (30.8 days).
The month with the least sunshine days is August (2.8 days).
Average UV index in September
Muno, Guinea-Bissau
- Average UV index in September: 7
The months with the highest UV index are March and April (UV index 8).
The month with the lowest UV index is August (UV index 6).
Average cloud cover in September
Muno, Guinea-Bissau
- Average cloud cover in September: 48
The month with the most cloud cover is August (Cloud cover 59).
The month with the least cloud cover is March (Cloud cover 6).
Average visibility in September
Muno, Guinea-Bissau
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are August and September (8km).
