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Switzerland
The weather in September in San Bernardo
Looking for sun? September isn’t a good month to be in San Bernardo. The temperature is nice, but there’s too much chance of rain.
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for San Bernardo, Switzerland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Daily weather in September for San Bernardo
Click on any day in September to get detailed info about the usual weather on that day in San Bernardo. Check out the historical temperatures and precipitation over the past 10 years on this day.
Average temperatures
It's pleasantly warm in September in San Bernardo with an average temperature of 19°C. Temperatures this month range from a low of 17°C to a high of 21°C. At night, you can expect temperatures between 9°C and 14°C.
Temperature records
With 29°C in 2023, San Bernardo reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 8°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 3°C to a highest value of 17°C.
Rainfall amount
In September, there is an average of 131 mm of precipitation, spread over 16 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
September weather comparison
| San Bernardo | New York | |
|---|---|---|
| Average temperature | 19°C | 27°C |
| Max. temperature | 21°C | 31°C |
| Min. temperature | 9°C | -5°C |
| Total precipitation | 131 mm | 57 mm |
| Rainy days | 16 days | 9 days |
Start of September
The month of September starts in San Bernardo with mild temps, averaging around 21°C during the day and nights around 13°C.
Mid September
By mid-September, daytime temps drop to around 20°C, with nights around 13°C. There’s a high chance of precipitation during this time.
End of September
By the end of September, the average daytime temperature in San Bernardo is around 18°C, while nighttime temps are about 11°C. A shower might pop up, but overall, the weather will be dry and sunny.
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of San Bernardo for all months and discover the best travel time
Curious about the weather in other parts of Switzerland? Check out the climate and weather for spots like Zurich, Geneva, Valais, or explore other destinations in Switzerland.
Temperature charts
These charts show the average temperatures in September in San Bernardo, Switzerland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in San Bernardo
Temperature in September in San Bernardo over the years
Precipitation charts
These charts show the average amount of precipitation in September in San Bernardo, Switzerland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in San Bernardo
Total precipitation in September in San Bernardo over the years
Daily UV index in September in San Bernardo
This chart shows the average daily UV index in September in San Bernardo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in San Bernardo
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Average weather in San Bernardo by month
Click on a month below to see detailed weather info for San Bernardo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.