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The weather in September in Ione

It's hot in September in Ione with an average temperature of 30°C. Temperatures this month range from a low of 26°C to a high of 35°C. At night, you can expect temperatures between 14°C and 19°C.

September is an awesome month to be in Ione for sunny weather. You’ll have high temperatures and not much chance of rain this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Ione, 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 44°C in 2022, Ione reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 18°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 26°C.

Rainfall amount

In September, there is an average of 11 mm of precipitation, spread over 2 days. The wind speed is around 3 Bft, mostly coming from the Southwest.

Daily weather in September for Ione

Click on any day in September to get detailed info about the usual weather on that day in Ione. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Ione New York
Average temperature 30°C 27°C
Max. temperature 35°C 31°C
Min. temperature 14°C -5°C
Total precipitation 11 mm 57 mm
Rainy days 2 days 9 days

Start of September

The month of September starts in Ione with hot temps, averaging around 33°C during the day and nights around 19°C.

Mid September

By mid-September, daytime temps drop to around 29°C, with nights around 16°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 Ione is around 29°C, while nighttime temps are about 16°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

UV index

The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Check out the climate of Ione for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Ione, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Ione

Temperature in September in Ione over the years

Precipitation charts

These charts show the average amount of precipitation in September in Ione, 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 Ione

Total precipitation in September in Ione over the years

Daily UV index in September in Ione

This chart shows the average daily UV index in September in Ione, 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 Ione

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Average weather in Ione by month

Click on a month below to see detailed weather info for Ione. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.