Weather in Grenoble for September 2027
In general, the average temperature in Grenoble at the beginning of September is 24.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.8 °C by the end of September.
Grenoble experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 112.1 mm.
Is September a good time to visit Grenoble? check out the best time to travel to Grenoble page.
✨ Is September a good time to visit Grenoble? – Ask the AI Weatherman
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Grenoble Weather September
Temperatures trend during September in Grenoble
September weather in Grenoble day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Moderate rain | 23° /10° | 16.9 mm | 5 | |
| 2 Sept. |  Sunny | 23° /11° | 0.6 mm | 6 | |
| 3 Sept. |  Light rain | 24° /12° | 2.7 mm | 6 | |
| 4 Sept. | Light rain | 25° /13° | 5.5 mm | 6 | |
| 5 Sept. | Light rain | 23° /12° | 3.8 mm | 6 | |
| 6 Sept. | Sunny | 26° /12° | 0 mm | 6.7 | |
| 7 Sept. | Sunny | 28° /14° | 0.3 mm | 6.6 | |
| 8 Sept. | Light rain | 26° /14° | 4.8 mm | 6 | |
| 9 Sept. | Light rain | 20° /11° | 8.6 mm | 4 | |
| 10 Sept. |  Patchy rain possible | 20° /10° | 1.1 mm | 5 | |
| 11 Sept. | Patchy rain possible | 21° /9° | 2 mm | 6 | |
| 12 Sept. |  Partly cloudy | 19° /7° | 0.4 mm | 5 | |
| 13 Sept. | Moderate rain | 17° /7° | 5.7 mm | 4 | |
| 14 Sept. |  Cloudy | 18° /8° | 0.7 mm | 4 | |
| 15 Sept. | Partly cloudy | 21° /9° | 0.9 mm | 5 | |
| 16 Sept. | Patchy rain possible | 18° /8° | 0.3 mm | 4 | |
| 17 Sept. |  Thundery outbreaks possible | 21° /8° | 0.2 mm | 5 | |
| 18 Sept. | Moderate rain | 21° /10° | 11.6 mm | 5 | |
| 19 Sept. | Patchy rain possible | 23° /10° | 0.5 mm | 5 | |
| 20 Sept. | Patchy rain possible | 25° /13° | 0.5 mm | 5 | |
| 21 Sept. | Moderate rain | 23° /12° | 11.4 mm | 4 | |
| 22 Sept. |  Patchy light rain with thunder | 18° /10° | 10.7 mm | 4 | |
| 23 Sept. | Light rain | 16° /8° | 7.7 mm | 3 | |
| 24 Sept. | Sunny | 17° /6° | 0.4 mm | 4 | |
| 25 Sept. |  Overcast | 18° /7° | 0.4 mm | 3 | |
| 26 Sept. | Light rain | 20° /8° | 8.3 mm | 4.9 | |
| 27 Sept. | Patchy rain possible | 22° /8° | 1.7 mm | 4.8 | |
| 28 Sept. | Patchy rain possible | 20° /9° | 1.9 mm | 4 | |
| 29 Sept. | Sunny | 22° /10° | 0 mm | 4 | |
| 30 Sept. | Patchy rain possible | 21° /12° | 2.3 mm | 4 | |
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Grenoble weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Sunny | Patchy rain possible |
| Temperatures | 26°/14° | 21°/10° | 17°/8° |
| Rainfall | 95 mm | 112 mm | 196 mm |
| Wind | 9.3 km/h | 8.2 km/h | 7.9 km/h |
| Humidity | 64% | 71% | 81% |
| Rainy days | 9 days | 10 days | 14 days |
| Dry days | 22 days | 20 days | 17 days |
Planning a trip to Grenoble? Discover the best time to visit
Grenoble in September - FAQ
What are the expected maximum and minimum temperatures in Grenoble during September?
How much rainfall should be expected in Grenoble during September?
What are the typical wind conditions in Grenoble during September?
September rainfall patterns in Grenoble
UV exposure in Grenoble during September
What to pack to Grenoble in September?
Mild & changeable · highs around 21 °C, frequent showers
As you prepare for your trip to Grenoble in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Grenoble, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Where is Grenoble?Get accurate weather forecasts for Grenoble, located at latitude 45.179 and longitude 5.715. Stay updated with localized weather information tailored for Grenoble.