United StatesThe weather in September in Folsom
It's hot in September in Folsom with an average temperature of 31°C. Temperatures this month range from a low of 27°C to a high of 36°C. At night, you can expect temperatures between 13°C and 17°C.
September is a good month to be in Folsom for sunny weather. You’ll have high temperatures and not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Folsom, California. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 45°C in 2022, Folsom reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 18°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 25°C.
Rainfall amount
According to weather history, there is only 3,5 mm of precipitation in September. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in September for Folsom
Click on any day in September to get detailed info about the usual weather on that day in Folsom. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Folsom | New York | |
|---|---|---|
| Average temperature | 31°C | 27°C |
| Max. temperature | 36°C | 31°C |
| Min. temperature | 13°C | -5°C |
| Total precipitation | 3,5 mm | 57 mm |
| Rainy days | 2 days | 9 days |
Start of September
The month of September starts in Folsom with hot temps, averaging around 34°C during the day and nights around 17°C.
Mid September
By mid-September, daytime temps drop to around 30°C, with nights around 15°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of September
By the end of September, the average daytime temperature in Folsom is around 30°C, while nighttime temps are about 14°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Folsom for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Folsom, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Folsom
Temperature in September in Folsom over the years
Precipitation charts
These charts show the average amount of precipitation in September in Folsom, California. 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 Folsom
Total precipitation in September in Folsom over the years
Daily UV index in September in Folsom
This chart shows the average daily UV index in September in Folsom, 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 Folsom
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Average weather in Folsom by month
Click on a month below to see detailed weather info for Folsom. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.