September weather forecastPosadas, Argentina
September
Weather in September
Posadas welcomes spring in September. With daily highest temperatures rising to 24.8°C (76.6°F), the city greets warmer weather. Outdoor enthusiasts start to take advantage of the city’s increasing warmth and delight in panoramic views. Humidity continues to decrease lightly whilst wind patterns remain relatively consistent during this period. It's an opportunity for locals and tourists to embrace the changing landscape.Temperature
With September's arrival, Posadas's weather records an average high-temperature of a moderately hot 24.8°C (76.6°F), marking little difference from August's 22.6°C (72.7°F). The average temperature during September nights dips to a moderate 14.5°C (58.1°F).Humidity
In Posadas, the average relative humidity in September is 78%.Rainfall
In Posadas, in September, during 11.4 rainfall days, 52mm (2.05") of precipitation is typically accumulated. Throughout the year, there are 152.6 rainfall days, and 981mm (38.62") of precipitation is accumulated.Daylight
The average length of the day in September in Posadas is 11h and 57min.On the first day of the month, sunrise is at 06:56 and sunset at 18:30. On the last day of September, in Posadas, sunrise is at 06:22 and sunset at 18:43 -03.
Sunshine
In September, the average sunshine in Posadas, Argentina, is 8h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.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. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Posadas, Argentina
- Average high temperature in September: 24.8°C
The warmest month (with the highest average high temperature) is January (32.4°C).
The month with the lowest average high temperature is July (19.5°C).
- Average low temperature in September: 14.5°C
The months with the highest average low temperature are January and February (20.8°C).
The coldest month (with the lowest average low temperature) is July (11°C).
Average pressure in September
Posadas, Argentina
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is July (1018.2mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in September
Posadas, Argentina
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is August (10.3km/h).
The calmest month (with the lowest average wind speed) is March (7.8km/h).
Average humidity in September
Posadas, Argentina
- Average humidity in September: 78%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is December (72%).
Average rainfall in September
Posadas, Argentina
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is October (117mm).
The driest month (with the least rainfall) is August (41mm).
Average rainfall days in September
Posadas, Argentina
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is January (16.1 days).
The month with the least rainy days is August (7.8 days).
Average daylight in September /
Average sunshine in September
Posadas, Argentina
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is November (Average sunshine: 10h and 18min).
The month with the least sunshine is June (Average sunshine: 5h and 18min).
Average sunshine days in September
Posadas, Argentina
- Average sunshine days in September: 17 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in September
Posadas, Argentina
- Average UV index in September: 6
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are May and June (UV index 4).
Average cloud cover in September
Posadas, Argentina
- Average cloud cover in September: 34
The month with the most cloud cover is May (Cloud cover 49).
The month with the least cloud cover is November (Cloud cover 27).
Average visibility in September
Posadas, Argentina
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, November and December (9km).
The months with the lowest visibility are May, June and July (7km).
