September weather forecastSan Rafael, Chile
September
Weather in September
The first month of the spring, September, is a refreshing month in San Rafael, Chile, with temperature in the range of an average low of 5.9°C (42.6°F) and an average high of 18.5°C (65.3°F).Temperature
With the onset of September, San Rafael's average high-temperature experiences a slight rise, moving from August's 15.3°C (59.5°F) to a still refreshing 18.5°C (65.3°F). Despite high daytime temperatures, the average temperature lowers to a wintry 5.9°C (42.6°F) during September nights.Humidity
In September, the average relative humidity in San Rafael is 73%.Rainfall
In San Rafael, in September, it is raining for 7.4 days, with typically 37mm (1.46") of accumulated precipitation. Throughout the year, there are 66 rainfall days, and 445mm (17.52") of precipitation is accumulated.Daylight
In San Rafael, the average length of the day in September is 11h and 53min.On the first day of September in San Rafael, Chile, sunrise is at 07:04 and sunset at 18:27 -04. On the last day of the month, sunrise is at 07:22 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 Rafael, Chile, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index in San Rafael 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: An average UV index of 4 in September transforms into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
San Rafael, 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 Rafael, 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 Rafael, 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 Rafael, 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 Rafael, 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 Rafael, 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 Rafael, 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 Rafael, 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 Rafael, 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 Rafael, 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 Rafael, 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).





