September weather forecastSan Justo, Spain
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in San Justo, Spain, with an average temperature varying between 24.2°C (75.6°F) and 11.5°C (52.7°F).Temperature
San Justo experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from 28.3°C (82.9°F) in August to a still moderately hot 24.2°C (75.6°F). San Justo anticipates a considerable cooling off from the daytime high to an average minimum temperature of 11.5°C (52.7°F) in September.Humidity
In San Justo, the average relative humidity in September is 57%.Rainfall
In San Justo, during September, the rain falls for 6.9 days and regularly aggregates up to 27mm (1.06") of precipitation. In San Justo, during the entire year, the rain falls for 141.4 days and collects up to 527mm (20.75") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in San Justo is 12h and 29min.On the first day of September in San Justo, Spain, sunrise is at 07:52 and sunset at 21:00. On the last day of the month, sunrise is at 08:22 and sunset at 20:09 CEST.
Sunshine
In San Justo, the average sunshine in September is 9.8h.UV index
The average daily maximum UV index in September in San Justo, Spain, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
San Justo, Spain
- Average high temperature in September: 24.2°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in September
San Justo, Spain
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
San Justo, Spain
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity in September
San Justo, Spain
- Average humidity in September: 57%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
San Justo, Spain
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in September
San Justo, Spain
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in September
San Justo, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
San Justo, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
San Justo, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
San Justo, Spain
- Average sunshine days in September: 20.8 days
The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is April (10.8 days).
Average UV index in September
San Justo, Spain
- Average UV index in September: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
San Justo, Spain
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in September
San Justo, Spain
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).
