September weather forecastDukestown, Guyana
September
Weather in September
September, the first month of the autumn in Dukestown, is still a tropical month, with an average temperature fluctuating between 30.8°C (87.4°F) and 25.9°C (78.6°F).Temperature
Dukestown notes the warmest temperatures in September, with a high average of 30.8°C (87.4°F) and a low of 25.9°C (78.6°F).Heat index
For September, the heat index is estimated at a fiery hot 39°C (102.2°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
September is the least humid month in Dukestown, with an average relative humidity of 76%.Rainfall
In Dukestown, during September, the rain falls for 24.5 days and regularly aggregates up to 141mm (5.55") of precipitation. In Dukestown, 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 is 12h and 9min.On the first day of September in Dukestown, sunrise is at 05:41 and sunset at 17:55. On the last day of the month, sunrise is at 05:36 and sunset at 17:40 -04.
Sunshine
With an average of 9.3h of sunshine, September has the most sunshine of the year in Dukestown, Guyana.UV index
January, February, April, June through December, with an average maximum UV index of 7, are months with the highest UV index in Dukestown. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 7 in September leads to these recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. 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
Average temperature in September
Dukestown, 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
Dukestown, 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
Dukestown, 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
Dukestown, 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
Dukestown, 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
Dukestown, 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
Dukestown, 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
Dukestown, 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
Dukestown, 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
Dukestown, 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
Dukestown, 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).
