September weather forecastOrinduik, Guyana
September
Weather in September
Come September, Orinduik enters a phase of receding rains, with average precipitation dropping to 139mm (5.47"). However, this respite does not lead to a drop in humidity and temperature, keeping up with the tropical character of the city. The city sees more sunshine and less clouds, making the days noticeably brighter. Average wind speed picks up pace, aiding in drying out environments. September marks a gradual retreat from the intense rains of the past months.Temperature
The introduction of September in Orinduik sees an average high-temperature of a still warm 29.6°C (85.3°F), hardly deviating from August. Orinduik's nighttime temperature in September falls to an average of 18.2°C (64.8°F).Heat index
The heat index in September is calculated to be a torrid 37°C (98.6°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Heat index details are generally centered around shaded locations and a mild breeze. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
The months with the lowest humidity are March, April, September and October, with an average relative humidity of 83%.Rainfall
In Orinduik, in September, during 27.4 rainfall days, 139mm (5.47") of precipitation is typically accumulated. In Orinduik, during the entire year, the rain falls for 310.6 days and collects up to 1432mm (56.38") of precipitation.Daylight
In Orinduik, Guyana, the average length of the day in September is 12h and 8min.On the first day of September, sunrise is at 05:53 and sunset at 18:05. On the last day of the month, sunrise is at 05:47 and sunset at 17:52 -04.
Sunshine
The month with the most sunshine in Orinduik is September, with an average of 9.8h of sunshine.UV index
March through November, with an average maximum UV index of 6, are months with the highest UV index in Orinduik, Guyana. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 during September translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Orinduik, Guyana
- Average high temperature in September: 29.6°C
The warmest month (with the highest average high temperature) is October (29.7°C).
The months with the lowest average high temperature are February, June and December (27.3°C).
- Average low temperature in September: 18.2°C
The month with the highest average low temperature is May (18.9°C).
The coldest month (with the lowest average low temperature) is January (17.8°C).
Average pressure in September
Orinduik, Guyana
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is June (1014.4mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in September
Orinduik, Guyana
- Average wind speed in September: 4.2km/h
The windiest month (with the highest average wind speed) is March (5.2km/h).
The calmest months (with the lowest average wind speed) are July, August, November and December (4km/h).
Average humidity in September
Orinduik, Guyana
- Average humidity in September: 83%
The months with the highest relative humidity are June and July (89%).
The months with the lowest relative humidity are March, April, September and October (83%).
Average rainfall in September
Orinduik, Guyana
- Average rainfall in September: 139mm
The wettest month (with the highest rainfall) is July (237mm).
The driest month (with the least rainfall) is March (38mm).
Average rainfall days in September
Orinduik, Guyana
- Average rainfall days in September: 27.4 days
The months with the highest number of rainy days are July and August (30.3 days).
The month with the least rainy days is March (21.8 days).
Average daylight in September /
Average sunshine in September
Orinduik, Guyana
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is September (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Orinduik, Guyana
- Average sunshine days in September: 1.6 days
The month with the most sunshine days is March (6.6 days).
The month with the least sunshine days is July (0.3 days).
Average UV index in September
Orinduik, Guyana
- Average UV index in September: 6
The months with the highest UV index are March, April, May, June, July, August, September, October and November (UV index 6).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in September
Orinduik, Guyana
- Average cloud cover in September: 50
The month with the most cloud cover is February (Cloud cover 76).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in September
Orinduik, Guyana
- Average visibility in September: 7km
The months with the highest visibility are March, August, September and October (7km).
The months with the lowest visibility are January, February, April, May, June, July, November and December (6km).





