Temperatures in September
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.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Ione in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Ione with hot temperatures, averaging around 33°C during the day and nights close to 19°C. You won’t see any precipitation in the first days of the month, it’s all sunny skies.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-September
By mid-September, the average daytime temperature drops to around 29°C, with nights close to 16°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
Temperatures vary between day and night, so it’s smart to wear layers.
End of September
By the end of September, the average daytime temperature in Ione will be around 29°C, with nights close to 16°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
As it gets cooler in the evening, it’s best to wear layers.
Precipitation in September
In September, there is an average of 11 mm of precipitation, spread over 1 day. The wind speed is around 3 Bft, mostly coming from the Southwest.
The average chance of precipitation is only 4% in September.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Ione. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Ione in September |
London | ||
|---|---|---|---|
 Average Temperature |
30°C | 20°C | |
 High Temp |
35°C | 22°C | |
| Low Temp |
26°C | 17°C | |
 Total Precipitation |
11 mm | 44 mm | |
| Rainy Days |
1 day | 8 days | |
August
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.
Is September a good time to visit Ione?
September is a fantastic month to be in Ione for sunny weather. You’ll get high temperatures and little chance of rain this month.
Temperature records for Ione in September
With 44°C, Ione hit the highest temperature in the last 10 years in September 2022. The lowest daytime temperature in this month was 18°C in 2023. The extreme night temperatures ranged from a low of 7°C to a high of 26°C.
Check out the climate of Ione for all months and discover the best travel time
Daily Temperature in September in Ione
This chart shows the average daily temperatures, both day and night, for each day in September in Ione, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Ione
The chart below shows the average daily precipitation in September for Ione, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect about 1 day of rain in Ione.
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.
Temperature in September in Ione Over the Years
This chart shows the average temperature in September in Ione, measured in degrees Celsius, over the past years.
Total Precipitation in September in Ione Over the Years
This chart shows the average precipitation in September in Ione, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Ione
Click on a specific day in September for detailed info on the typical weather on that day in Ione. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Ione
Have you been to Ione in September?
Share your weather experience in September in Ione.
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.
