September weather forecastMendoza, Argentina
September
Weather in September
September marks the onset of spring in the city of Mendoza. It serves as an inviting period for visitors and locals alike with its spring-like weather. Post the cold months of winter, the city witnesses a steady increase in temperature during September. While the days are welcomed with warm mornings, the evenings are still cool with temperatures hovering around 17.5°C (63.5°F) and 7.5°C (45.5°F) for highs and lows respectively. It's a time full of vibrance and life, making it a suitable time for sightseeing and outdoor activities.Temperature
September commences with an average high-temperature of a still refreshing 17.5°C (63.5°F), showing little deviation from August's 14.6°C (58.3°F). An average low-temperature of 7.5°C (45.5°F) is noted during the nights in September.Humidity
The average relative humidity in September is 43%.Rainfall
In Mendoza, during September, the rain falls for 4.5 days and regularly aggregates up to 6mm (0.24") of precipitation. Throughout the year, there are 92.6 rainfall days, and 324mm (12.76") of precipitation is accumulated.Snowfall
Months with snowfall are June through September. September is the last month it regularly snows. During 0.7 snowfall days, in September, Mendoza aggregates 7mm (0.28") of snow. In Mendoza, during the entire year, snow falls for 2.3 days and aggregates up to 31mm (1.22") of snow.Daylight
In Mendoza, Argentina, the average length of the day in September is 11h and 55min.On the first day of the month, sunrise is at 07:51 and sunset at 19:18. On the last day of September, sunrise is at 07:12 and sunset at 19:37 -03.
Sunshine
The months with the most sunshine in Mendoza are January, September and December, with an average of 9.7h of sunshine.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mendoza, Argentina
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is January (28.3°C).
The month with the lowest average high temperature is July (11.2°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is January (18.5°C).
The coldest month (with the lowest average low temperature) is July (3.2°C).
Average pressure in September
Mendoza, Argentina
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is July (1018.6mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in September
Mendoza, Argentina
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is November (12.8km/h).
The calmest month (with the lowest average wind speed) is June (7.7km/h).
Average humidity in September
Mendoza, Argentina
- Average humidity in September: 43%
The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is December (39%).
Average rainfall in September
Mendoza, Argentina
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is January (69mm).
The driest months (with the least rainfall) are May and July (5mm).
Average rainfall days in September
Mendoza, Argentina
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is January (13.8 days).
The month with the least rainy days is July (2.5 days).
Average snowfall in September
Mendoza, Argentina
- Average snowfall in September: 7mm
The month with the highest snowfall is July (17mm).
The months with the least snowfall are January, February, March, April, May, October, November and December (0mm).
Average snowfall days in September
Mendoza, Argentina
- Average snowfall days in September: 0.7 days
The month with the highest number of snowfall days is July (0.8 days).
The months with the least snowfall days are January, February, March, April, May, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Mendoza, Argentina
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 42min
The months with the most sunshine are January, September and December (Average sunshine: 9h and 42min).
The months with the least sunshine are April and May (Average sunshine: 9h and 24min).
Average sunshine days in September
Mendoza, Argentina
- Average sunshine days in September: 23.9 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in September
Mendoza, Argentina
- Average UV index in September: 4
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover in September
Mendoza, Argentina
- Average cloud cover in September: 13
The months with the most cloud cover are April, May and October (Cloud cover 16).
The month with the least cloud cover is June (Cloud cover 11).
Average visibility in September
Mendoza, Argentina
- 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).
