September weather forecastMayama, Congo
September
Weather in September
September, the first month of the spring in Mayama, is also a hot month, with an average temperature ranging between min 22.9°C (73.2°F) and max 32.5°C (90.5°F).Temperature
The beginning of September reveals an average high-temperature of a still hot 32.5°C (90.5°F), showing minimal deviation from the previous month. Throughout September, an average low-temperature of 22.9°C (73.2°F) is expected.Heat index
September's mean heat index is computed to be a very hot 39°C (102.2°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In September, the average relative humidity in Mayama is 62%.Rainfall
In Mayama, in September, during 17.1 rainfall days, 41mm (1.61") of precipitation is typically accumulated. Throughout the year, there are 243.1 rainfall days, and 1109mm (43.66") of precipitation is accumulated.Daylight
The average length of the day in September in Mayama is 12h and 5min.On the first day of the month, sunrise is at 05:59 and sunset at 18:01. On the last day of September, sunrise is at 05:46 and sunset at 17:54 WAT.
Sunshine
In Mayama, the average sunshine in September is 8.7h.UV index
January, March through May, July through September, with an average maximum UV index of 7, are months with the highest UV index in Mayama. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 7 in September suggests the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mayama, Congo
- Average high temperature in September: 32.5°C
The warmest month (with the highest average high temperature) is August (33.1°C).
The month with the lowest average high temperature is November (29.5°C).
- Average low temperature in September: 22.9°C
The month with the highest average low temperature is September (22.9°C).
The coldest months (with the lowest average low temperature) are June and July (20.8°C).
Average pressure in September
Mayama, Congo
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is June (1013.1mbar).
The month with the lowest atmospheric pressure is February (1010.3mbar).
Average wind speed in September
Mayama, Congo
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is August (8.6km/h).
The calmest months (with the lowest average wind speed) are April and December (4.7km/h).
Average humidity in September
Mayama, Congo
- Average humidity in September: 62%
The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is August (55%).
Average rainfall in September
Mayama, Congo
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is November (173mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in September
Mayama, Congo
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is December (29 days).
The month with the least rainy days is July (2.9 days).
Average daylight in September /
Average sunshine in September
Mayama, 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: 8h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The months with the least sunshine are June, October and November (Average sunshine: 7h and 0min).
Average sunshine days in September
Mayama, Congo
- Average sunshine days in September: 10.6 days
The month with the most sunshine days is July (27.4 days).
The month with the least sunshine days is December (1.3 days).
Average UV index in September
Mayama, Congo
- Average UV index in September: 7
The months with the highest UV index are January, March, April, May, July, August and September (UV index 7).
The months with the lowest UV index are February, June, October, November and December (UV index 6).
Average cloud cover in September
Mayama, Congo
- Average cloud cover in September: 36
The month with the most cloud cover is November (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 19).
Average visibility in September
Mayama, Congo
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, March, April, November and December (8km).





