The first half of September 2026 has been exceptionally wet in Mauritius, with the country recording 127% of its long-term average rainfall. According to the Meteorological Service of Mauritius, the first 15 days of the month saw a national average of 52 mm of rain, making it the 4th wettest first half of September in the last 20 years. This significant rainfall has brought relief to the island nation.
Regional analysis shows significant disparities in rainfall across different areas of Mauritius. The Central Plateau received the highest volume of rainfall, with a total of 78 mm in the first two weeks of the month. The North region experienced the most marked excess, with rainfall reaching 215% of its usual average for this period. These regional variations highlight the diverse weather patterns across the island.
The Meteorological Service of Mauritius has also reported contrasting weather conditions in the surrounding islands. Rodrigues Island experienced particularly humid conditions, with Pointe Canon recording 47 mm of rain (214% of average) and Citronelle recording 70 mm (163% of average). In contrast, Plaine Corail remained close to its seasonal normal, with 22 mm of rain (96% of average).
The Agaléga Islands experienced below-average rainfall, with a total of 21 mm, representing 72% of its usual average. This variation in rainfall across the region highlights the complexities of Mauritius' weather patterns. The Meteorological Service of Mauritius continues to monitor the situation and provide updates on weather conditions.
The exceptional rainfall in early September 2026 has significant implications for Mauritius' environment and agriculture. While the rain brings relief from drought, it also poses challenges for farmers and residents. The Meteorological Service of Mauritius has been working closely with other government agencies to provide support and guidance to affected communities.
The rainfall has also highlighted the importance of effective water management in Mauritius. The country's water resources are heavily reliant on rainfall, and the recent excess rainfall has put pressure on drainage systems and water infrastructure. The government has been working to improve water management systems and mitigate the impact of extreme weather events.
As Mauritius moves forward, the Meteorological Service of Mauritius will continue to monitor weather conditions and provide critical updates to support the country's development and resilience. The recent rainfall event serves as a reminder of the importance of preparedness and adaptability in the face of changing weather patterns.
Key points
- Mauritius recorded 127% of its long-term average rainfall in the first half of September 2026.
- The Central Plateau and North regions experienced significant rainfall, with the North region seeing 215% of its usual average.
- The Meteorological Service of Mauritius continues to monitor weather conditions and provide updates to support the country's development and resilience.
