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
Weather in September
Temperature
San Justo's September reports an average high-temperature of a still comfortable 17.8°C (64°F), exhibiting a minor difference from August. San Justo, during the month of September, experiences an average low-temperature of 10.4°C (50.7°F).Humidity
The average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall in San Justo. Rain falls for 7.5 days and accumulates 36mm (1.42") of precipitation.Daylight
In September, the average length of the day is 11h and 53min.On the first day of the month, sunrise is at 07:11 and sunset at 18:36. On the last day of September, in San Justo, sunrise is at 06:31 and sunset at 18:56 -03.
Sunshine
In September, the average sunshine in San Justo is 7.7h.UV index
In San Justo, Argentina, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What are September temperatures in San Justo?
What is the average humidity in September in San Justo?
What is the driest month in San Justo?
How much does it rain in San Justo in September?
What is the average length of the day in September in San Justo?
What time are sunrise and sunset in September in San Justo?
How long on average sun shines in September in San Justo?
What is the UV index reading in September in San Justo?
Average temperature in September
San Justo, Argentina
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is January (30.3°C).
The month with the lowest average high temperature is July (13.8°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is January (20.2°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).
Average pressure in September
San Justo, Argentina
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in September
San Justo, Argentina
- Average wind speed in September: 16.4km/h
The windiest month (with the highest average wind speed) is September (16.4km/h).
The calmest month (with the lowest average wind speed) is March (13.8km/h).
Average humidity in September
San Justo, Argentina
- Average humidity in September: 74%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is January (57%).
Average rainfall in September
San Justo, Argentina
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is November (70mm).
The driest month (with the least rainfall) is September (36mm).
Average rainfall days in September
San Justo, Argentina
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is August (5.8 days).
Average daylight in September /
Average sunshine in September
San Justo, Argentina
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is December (Average sunshine: 11h and 12min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in September
San Justo, Argentina
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is February (18.3 days).
Average UV index in September
San Justo, Argentina
- Average UV index in September: 4
The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 3).
Average cloud cover in September
San Justo, Argentina
- Average cloud cover in September: 33
The month with the most cloud cover is July (Cloud cover 36).
The month with the least cloud cover is January (Cloud cover 16).
Average visibility in September
San Justo, 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).
San Justo, Argentina
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