Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Unión signifies an average high-temperature of a still moderately hot 27.7°C (81.9°F) in September, closely mirroring the 25.3°C (77.5°F) of August. September nights are marked by an average low-temperature of 15.9°C (60.6°F).Heat index
The heat index for September is computed to be a tropical 30°C (86°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Know that the heat index computations account for shaded terrains and slight winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values remain especially vital 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.
Humidity
September is the least humid month in Unión, with an average relative humidity of 71%.Rainfall
In Unión, in September, it is raining for 8.5 days, with typically 35mm (1.38") of accumulated precipitation. In Unión, Paraguay, during the entire year, the rain falls for 166 days and collects up to 911mm (35.87") of precipitation.Daylight
In Unión, the average length of the day in September is 11h and 58min.On the first day of the month, sunrise is at 05:56 and sunset at 17:34. On the last day of September, in Unión, sunrise is at 05:26 and sunset at 17:45 -04.
Sunshine
In September, the average sunshine in Unión, Paraguay, is 8.5h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a regular UV index of 6 translates into these guidelines:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Unión?
What is the least humid month in Unión?
What is the average humidity in September in Unión?
How much does it rain in Unión in September?
What is the average length of the day in September in Unión?
When are sunrise and sunset in September in Unión?
How many hours of sunshine does Unión have in September?
How high is the UV index in September in Unión?
Average temperature in September
Unión, Paraguay
- Average high temperature in September: 27.7°C
The warmest month (with the highest average high temperature) is January (32.7°C).
The month with the lowest average high temperature is July (22°C).
- Average low temperature in September: 15.9°C
The month with the highest average low temperature is January (22.1°C).
The coldest month (with the lowest average low temperature) is July (12.8°C).
Average pressure in September
Unión, Paraguay
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is July (1017.5mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed in September
Unión, Paraguay
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is August (10.1km/h).
The calmest months (with the lowest average wind speed) are February and March (7.2km/h).
Average humidity in September
Unión, Paraguay
- Average humidity in September: 71%
The month with the highest relative humidity is May (86%).
The month with the lowest relative humidity is September (71%).
Average rainfall in September
Unión, Paraguay
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is November (128mm).
The driest month (with the least rainfall) is August (22mm).
Average rainfall days in September
Unión, Paraguay
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is December (20.5 days).
The month with the least rainy days is August (6 days).
Average daylight in September /
Average sunshine in September
Unión, Paraguay
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is November (Average sunshine: 10h and 30min).
The month with the least sunshine is June (Average sunshine: 6h and 42min).
Average sunshine days in September
Unión, Paraguay
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in September
Unión, Paraguay
- Average UV index in September: 6
The months with the highest UV index are January and December (UV index 7).
The month with the lowest UV index is May (UV index 4).
Average cloud cover in September
Unión, Paraguay
- Average cloud cover in September: 31
The month with the most cloud cover is May (Cloud cover 53).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in September
Unión, Paraguay
- Average visibility in September: 9km
The months with the highest visibility are August and September (9km).
The month with the lowest visibility is May (6km).
