September weather forecastMorawhanna, Guyana
September
Weather in September
September, the first month of the autumn in Morawhanna, is still a hot month, with temperature in the range of an average high of 31.5°C (88.7°F) and an average low of 24.4°C (75.9°F).Temperature
September is the warmest month, with an average high-temperature of 31.5°C (88.7°F) and an average low-temperature of 24.4°C (75.9°F).Heat index
September's heat index is appraised at an extremely hot 42°C (107.6°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.Consider that heat index readings are for situations in the shade and light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
In Morawhanna, the average relative humidity in September is 79%.Rainfall
In Morawhanna, during September, the rain falls for 23.4 days and regularly aggregates up to 92mm (3.62") of precipitation. Throughout the year, in Morawhanna, there are 305.1 rainfall days, and 1386mm (54.57") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 10min.On the first day of the month, sunrise is at 05:50 and sunset at 18:06. On the last day of September, sunrise is at 05:47 and sunset at 17:50 -04.
Sunshine
The average sunshine in September in Morawhanna, Guyana, is 10h.UV index
The months with the highest UV index in Morawhanna are March through October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 7 during September, leads to the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Morawhanna, Guyana
- Average high temperature in September: 31.5°C
The warmest month (with the highest average high temperature) is September (31.5°C).
The month with the lowest average high temperature is February (28.7°C).
- Average low temperature in September: 24.4°C
The month with the highest average low temperature is October (24.7°C).
The coldest month (with the lowest average low temperature) is January (22.6°C).
Average pressure in September
Morawhanna, Guyana
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is June (1013.3mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in September
Morawhanna, Guyana
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is April (11.5km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in September
Morawhanna, Guyana
- Average humidity in September: 79%
The months with the highest relative humidity are July and December (83%).
The months with the lowest relative humidity are March and April (78%).
Average rainfall in September
Morawhanna, Guyana
- Average rainfall in September: 92mm
The wettest month (with the highest rainfall) is July (191mm).
The driest month (with the least rainfall) is March (53mm).
Average rainfall days in September
Morawhanna, Guyana
- Average rainfall days in September: 23.4 days
The month with the highest number of rainy days is July (29.8 days).
The month with the least rainy days is March (22.1 days).
Average daylight in September /
Average sunshine in September
Morawhanna, Guyana
- 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: 10h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Morawhanna, Guyana
- Average sunshine days in September: 3.1 days
The month with the most sunshine days is March (5.6 days).
The month with the least sunshine days is July (0.3 days).
Average UV index in September
Morawhanna, Guyana
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 6).
Average cloud cover in September
Morawhanna, Guyana
- Average cloud cover in September: 27
The month with the most cloud cover is May (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 27).
Average visibility in September
Morawhanna, Guyana
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May and September (10km).
The months with the lowest visibility are June, July, August, October, November and December (9km).





