Weather in Grenoble in September 2024
Average weather
Average temperature in Grenoble in September
The expected average maximum temperature in September is +73°F with a maximum of +86°F and a minimum of +41°F.
The average maximum temperature goes down 52% by the end of the month, compared with the beginning of the month, from +81°F to +57°F.
Is Grenoble warm or cold in September?
Grenoble is typically warm in September.
Maximum temperatures go down compared to the previous month from +81°F to +73°F. The minimum temperature also goes down from +61°F to +55°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Grenoble:
Climate in Grenoble in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +81°F | +73°F | +66°F | ||||
| Min. temperature | ||||||
| +46°F | +39°F | +30°F | ||||
| Max. temperature | ||||||
| +102°F | +93°F | +84°F | ||||
| Rainfall | ||||||
| 96 mm | 103 mm | 121 mm | ||||
| Wind | ||||||
| 1 m/s | 0 m/s | 0 m/s | ||||
| Humidity | ||||||
| 73% | 78% | 81% | ||||
| Air pressure | ||||||
| 1015 HPa | 1016 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 9 | 6 | 4 | ||||
| Cloudy days | ||||||
| 14 | 16 | 18 | ||||
| Rainy days | ||||||
| 8 | 8 | 9 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +81°F in the day, the average maximum temperature lowers to +73°F. Prepare for more rain. Average rainfall goes from 96 mm to 103 mm. Humidity rises from 73% to 78%. Winds are calmer in comparison to August, going down from 1 m/s to 0 m/s on average. The days becoming less sunny, going from 9 sunny days in August to 6 in September.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 1 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Grenoble is gradually increasing during September, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last September in Grenoble?
Climate Change Over the Years
The climate in Grenoble in September has not changed that much over the last 43 years.
The average temperature was the lowest in 2017 (+72°F) and the highest in 2012 (+87°F). The driest year was 1985 with only 13 mm of rainfall, and the wettest year was 1994 with 270 mm.
FAQ
Is September a good time to visit Grenoble?
Can you sunbathe in Grenoble in September?
Is Grenoble rainy in September?
Is it sunny in Grenoble in September?
Other cities in France
Monthly weather in Grenoble
Source of the data
For this page, we’ve looked at the typical weather in Grenoble, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.