September weather forecastLeeds, Guyana
September
Weather in September
September, the first month of the autumn in Leeds, is still a hot month, with an average temperature ranging between max 30.8°C (87.4°F) and min 25.9°C (78.6°F).Temperature
September brings the highest temperatures, with an average high of 30.8°C (87.4°F) and an average low of 25.9°C (78.6°F).Heat index
The average heat index in September is appraised at a sweltering 39°C (102.2°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.Evaluating the heat index requires understanding its values in the shade and with gentle winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
The least humid month in Leeds is September, with an average relative humidity of 76%.Rainfall
In Leeds, in September, it is raining for 24.5 days, with typically 141mm (5.55") of accumulated precipitation. In Leeds, during the entire year, the rain falls for 312.6 days and collects up to 2298mm (90.47") of precipitation.Daylight
The average length of the day in September in Leeds is 12h and 9min.On the first day of the month, sunrise is at 05:41 and sunset at 17:55. On the last day of September, in Leeds, sunrise is at 05:36 and sunset at 17:40 -04.
Sunshine
The month with the most sunshine in Leeds is September, with an average of 9.3h of sunshine.UV index
The months with the highest UV index are January, February, April, June through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 7 during September, leads to the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leeds, Guyana
- Average high temperature in September: 30.8°C
The warmest month (with the highest average high temperature) is September (30.8°C).
The months with the lowest average high temperature are January and February (28°C).
- Average low temperature in September: 25.9°C
The months with the highest average low temperature are September and October (25.9°C).
The coldest months (with the lowest average low temperature) are January, February and July (24.8°C).
Average pressure in September
Leeds, Guyana
- Average pressure in September: 1011.4mbar
The month with the highest atmospheric pressure is June (1012.9mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in September
Leeds, Guyana
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is March (16.7km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).
Average humidity in September
Leeds, Guyana
- Average humidity in September: 76%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is September (76%).
Average rainfall in September
Leeds, Guyana
- Average rainfall in September: 141mm
The wettest month (with the highest rainfall) is June (314mm).
The driest month (with the least rainfall) is March (97mm).
Average rainfall days in September
Leeds, Guyana
- Average rainfall days in September: 24.5 days
The month with the highest number of rainy days is July (29.9 days).
The month with the least rainy days is October (23.5 days).
Average daylight in September /
Average sunshine in September
Leeds, Guyana
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is April (Average sunshine: 7h and 0min).
Average sunshine days in September
Leeds, Guyana
- Average sunshine days in September: 3.4 days
The month with the most sunshine days is October (5 days).
The month with the least sunshine days is July (0.3 days).
Average UV index in September
Leeds, Guyana
- Average UV index in September: 7
The months with the highest UV index are January, February, April, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are March and May (UV index 6).
Average cloud cover in September
Leeds, Guyana
- Average cloud cover in September: 24
The months with the most cloud cover are February and April (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 24).
Average visibility in September
Leeds, Guyana
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, September, October and December (10km).
The months with the lowest visibility are May, June, July, August and November (9km).
