September weather forecastSan Javier, Chile
September
Weather in September
September, the first month of the spring in San Javier, is a comfortable month, with temperature in the range of an average high of 18.5°C (65.3°F) and an average low of 5.9°C (42.6°F).Temperature
In September, the average high-temperature marginally rises from a moderate 15.3°C (59.5°F) in August to a comfortable 18.5°C (65.3°F). Despite drastic daytime highs, San Javier logs an average low-temperature reading of 5.9°C (42.6°F) throughout September.Humidity
In San Javier, the average relative humidity in September is 73%.Rainfall
In September, the rain falls for 7.4 days. Throughout September, 37mm (1.46") of precipitation is accumulated. Throughout the year, in San Javier, there are 66 rainfall days, and 445mm (17.52") of precipitation is accumulated.Daylight
In San Javier, the average length of the day in September is 11h and 53min.On the first day of September, sunrise is at 07:05 and sunset at 18:28 -04. On the last day of the month, sunrise is at 07:23 and sunset at 19:49 -03.
Note: On Sunday, 08. September 2024, at 00:00, Daylight Saving Time starts, and the time zone changes from -04 to -03. Daylight Saving Time lasts until Sunday, 06. April 2025, at 00:00; consequently, the time zone reverts from -03 to -04.
Sunshine
In San Javier, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index in San Javier is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
San Javier, Chile
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is January (31.8°C).
The month with the lowest average high temperature is July (13.3°C).
- Average low temperature in September: 5.9°C
The month with the highest average low temperature is January (13°C).
The coldest month (with the lowest average low temperature) is July (4.8°C).
Average pressure in September
San Javier, Chile
- Average pressure in September: 1019.5mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is February (1013.9mbar).
Average wind speed in September
San Javier, Chile
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is January (9.6km/h).
The calmest month (with the lowest average wind speed) is May (6.9km/h).
Average humidity in September
San Javier, Chile
- Average humidity in September: 73%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (50%).
Average rainfall in September
San Javier, Chile
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is June (117mm).
The driest months (with the least rainfall) are January and February (2mm).
Average rainfall days in September
San Javier, Chile
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is July (10.6 days).
The month with the least rainy days is February (1.1 days).
Average daylight in September /
Average sunshine in September
San Javier, Chile
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is January (Average sunshine: 11h and 30min).
The month with the least sunshine is June (Average sunshine: 7h and 30min).
Average sunshine days in September
San Javier, Chile
- Average sunshine days in September: 21.7 days
The month with the most sunshine days is March (29.3 days).
The month with the least sunshine days is June (18.8 days).
Average UV index in September
San Javier, Chile
- 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 June and July (UV index 3).
Average cloud cover in September
San Javier, Chile
- Average cloud cover in September: 30
The months with the most cloud cover are June and August (Cloud cover 36).
The months with the least cloud cover are January and February (Cloud cover 7).
Average visibility in September
San Javier, Chile
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).
