September weather forecastSumampa, Argentina
September
Weather in September
The first month of the spring, September, is still a warm month in Sumampa, Argentina, with temperature in the range of an average high of 25.6°C (78.1°F) and an average low of 13.9°C (57°F).Temperature
Sumampa's average high-temperature in September is a still moderately hot 25.6°C (78.1°F), indicating a subtle variation from August. Sumampa records a consistent low-temperature of 13.9°C (57°F) during September nights.Humidity
The average relative humidity in September is 56%.Rainfall
In Sumampa, in September, during 5.5 rainfall days, 19mm (0.75") of precipitation is typically accumulated. In Sumampa, during the entire year, the rain falls for 96.4 days and collects up to 504mm (19.84") of precipitation.Daylight
In September, the average length of the day in Sumampa is 11h and 56min.On the first day of the month, sunrise is at 07:27 and sunset at 18:59. On the last day of September, in Sumampa, sunrise is at 06:52 and sunset at 19:14 -03.
Sunshine
In Sumampa, Argentina, the average sunshine in September is 8.6h.UV index
In Sumampa, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 in September translates into this advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sumampa, Argentina
- Average high temperature in September: 25.6°C
The warmest month (with the highest average high temperature) is January (33.7°C).
The month with the lowest average high temperature is July (19°C).
- Average low temperature in September: 13.9°C
The month with the highest average low temperature is January (21.8°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).
Average pressure in September
Sumampa, Argentina
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is July (1018.4mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).
Average wind speed in September
Sumampa, Argentina
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is October (14.4km/h).
The calmest month (with the lowest average wind speed) is April (10.6km/h).
Average humidity in September
Sumampa, Argentina
- Average humidity in September: 56%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (55%).
Average rainfall in September
Sumampa, Argentina
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is January (88mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in September
Sumampa, Argentina
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is December (11.5 days).
The month with the least rainy days is August (2.8 days).
Average daylight in September /
Average sunshine in September
Sumampa, Argentina
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is May (Average sunshine: 7h and 0min).
Average sunshine days in September
Sumampa, Argentina
- Average sunshine days in September: 23.4 days
The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is February (16.8 days).
Average UV index in September
Sumampa, Argentina
- Average UV index in September: 6
The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are May and June (UV index 4).
Average cloud cover in September
Sumampa, Argentina
- Average cloud cover in September: 23
The month with the most cloud cover is May (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Sumampa, Argentina
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).





