Last updated: August 23, 2025
In Mers-sur-Indre, France, the average temperature in September hovers around 17°C (64°F), with fluctuations ranging from a minimum of 4°C (40°F) to a sizzling maximum of 35°C (96°F). This month also sees an average precipitation of 52 mm (2.1 in) over roughly 6 days, contributing to an average humidity level of 76%. Prepare for a variety of weather conditions!
In September in Mers-sur-Indre, the average temperature is 17°C (64°F). The maximum can reach 35°C (96°F), and the minimum can be as low as 4°C (40°F). It's a great time to visit if you enjoy mild temperatures and the possibility of warm days contrasted with cooler nights.
In Mers-sur-Indre in September, the precipitation amount is 52 mm (2.1 in) over the course of 6 days.
In Mers-sur-Indre in September, humidity is 76%. With an average temperature of 17°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel sluggish and draining, challenging travelers to stay hydrated and seek respite in shaded areas or air-conditioned spaces.
In Mers-sur-Indre in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Mers-sur-Indre, you can refer to this Hourly UV Index in Mers-sur-Indre.
UV Risk Categories
Weather in Mers-sur-Indre varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mers-sur-Indre, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 62 mm (2.5 inches) | 90% | low |
| February Weather | 7°C (44°F) | 62 mm (2.5 inches) | 88% | moderate |
| March Weather | 9°C (48°F) | 69 mm (2.7 inches) | 85% | moderate |
| April Weather | 11°C (53°F) | 51 mm (2.0 inches) | 83% | high |
| May Weather | 15°C (59°F) | 83 mm (3.3 inches) | 83% | very high |
| June Weather | 19°C (67°F) | 76 mm (3.0 inches) | 79% | very high |
| July Weather | 21°C (71°F) | 48 mm (1.9 inches) | 71% | very high |
| August Weather | 21°C (70°F) | 44 mm (1.7 inches) | 68% | very high |
| September Weather | 17°C (64°F) | 52 mm (2.1 inches) | 76% | high |
| October Weather | 13°C (56°F) | 70 mm (2.8 inches) | 87% | moderate |
| November Weather | 8°C (47°F) | 69 mm (2.7 inches) | 91% | low |
| December Weather | 6°C (44°F) | 103 mm (4.1 inches) | 93% | low |