September weather forecastButucu, Aruba
September
Weather in September
September signals the wettest period in Butucu, with rainfall spiking to a yearly high of 57mm (2.24"). The humidity and temperature persist, dipped in a tropical rhythm. Yet, the wind speed sees a significant drop, failing to alleviate the heat and humidity to a great extent. It's the month for rain lovers, providing a different perspective of Butucu. Remember to pack rain gear and enjoy the rainfall from a cozy local café or restaurant.Temperature
September is the warmest month, exhibiting average temperatures of 29°C (84.2°F) at the peak and 28.3°C (82.9°F) at the base.Heat index
The average heat index in September is estimated at a very hot 35°C (95°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
In September, the average relative humidity in Butucu, Aruba, is 80%.Rainfall
In September, in Butucu, the rain falls for 15.5 days. Throughout September, 57mm (2.24") of precipitation is accumulated. In Butucu, during the entire year, the rain falls for 184.2 days and collects up to 472mm (18.58") of precipitation.Daylight
The average length of the day in September in Butucu is 12h and 11min.On the first day of the month, sunrise is at 06:28 and sunset at 18:49. On the last day of September, in Butucu, Aruba, sunrise is at 06:28 and sunset at 18:30 AST.
Sunshine
In Butucu, the average sunshine in September is 9.4h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 7 in September suggests the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Butucu, Aruba
- Average high temperature in September: 29°C
The warmest month (with the highest average high temperature) is September (29°C).
The month with the lowest average high temperature is February (26.4°C).
- Average low temperature in September: 28.3°C
The month with the highest average low temperature is September (28.3°C).
The coldest month (with the lowest average low temperature) is February (25.8°C).
Average pressure in September
Butucu, Aruba
- Average pressure in September: 1010.1mbar
The month with the highest atmospheric pressure is January (1012.6mbar).
The month with the lowest atmospheric pressure is October (1009.6mbar).
Average wind speed in September
Butucu, Aruba
- Average wind speed in September: 29.1km/h
The windiest month (with the highest average wind speed) is June (37.5km/h).
The calmest month (with the lowest average wind speed) is November (26.1km/h).
Average humidity in September
Butucu, Aruba
- Average humidity in September: 80%
The month with the highest relative humidity is May (83%).
The month with the lowest relative humidity is November (78%).
Average rainfall in September
Butucu, Aruba
- Average rainfall in September: 57mm
The wettest month (with the highest rainfall) is October (110mm).
The driest month (with the least rainfall) is June (15mm).
Average rainfall days in September
Butucu, Aruba
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is November (23.9 days).
The month with the least rainy days is June (10.6 days).
Average daylight in September /
Average sunshine in September
Butucu, Aruba
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 8h and 12min).
Average sunshine days in September
Butucu, Aruba
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is August (14.8 days).
The month with the least sunshine days is November (2.1 days).
Average UV index in September
Butucu, Aruba
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Butucu, Aruba
- Average cloud cover in September: 26
The months with the most cloud cover are March and November (Cloud cover 42).
The month with the least cloud cover is September (Cloud cover 26).
Average visibility in September
Butucu, Aruba
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





