Weather in Montpellier in September 2025
Average weather
Average temperature in Montpellier in September
The temperature in September is +27°C on average, with a range between a maximum of +30°C during the day and a minimum of +10°C at night.
The average maximum temperature goes up 25% by the end of the month, compared with the beginning of the month, from +25°C to +30°C.
Is Montpellier warm or cold in September?
Montpellier is typically warm in September.
Maximum temperatures go down compared to the previous month from +28°C to +24°C. The minimum temperature also goes down from +19°C to +16°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Montpellier:
Climate in Montpellier in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +24°C | +20°C | ||||
| Min. temperature | ||||||
| +12°C | +8°C | +1°C | ||||
| Max. temperature | ||||||
| +37°C | +35°C | +31°C | ||||
| Rainfall | ||||||
| 37 mm | 92 mm | 133 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 62% | 67% | 74% | ||||
| Air pressure | ||||||
| 1014 HPa | 1015 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 18 | 15 | 10 | ||||
| Cloudy days | ||||||
| 5 | 5 | 5 | ||||
| Rainy days | ||||||
| 5 | 7 | 14 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +28°C in the day, the average maximum temperature lowers to +24°C. Prepare for more rain. Average rainfall goes from 37 mm to 92 mm. Humidity rises from 62% to 67%. The average wind speed doesn’t change much during September, staying around 3 m/s. The days becoming less sunny, going from 18 sunny days in August to 15 in September.
October brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Montpellier is gradually decreasing during September, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Montpellier?
Climate Change over Years
The climate in Montpellier in September has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+18°C) and the highest in 2022 (+21°C). The driest year was 1998 with only 421 mm of rainfall, and the wettest year was 2018 with 1287 mm.
FAQ
Is September a good time to visit Montpellier?
Can you sunbathe in Montpellier in September?
Is Montpellier rainy in September?
Is it sunny in Montpellier in September?
Other cities in France
Monthly weather in Montpellier
Source of the data
For this page, we’ve looked at the typical weather in Montpellier, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
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.