September 2026 was an exceptionally warm and dry month in Binningen, with an average temperature of 18.8 degrees Celsius and a record-low precipitation total of only 10.5 millimetres. The month set a 20-year record for the highest September maximum temperature and ranked as the driest September in the last two decades.
September 2026 Weather Report for Binningen (NBCN Station)
September 2026 was an exceptionally warm and dry month in Binningen. The average temperature reached 18.8 degrees Celsius, well above the 20-year average of 16.1 degrees. The highest temperature of the month was 32.6 degrees on September 8, which is the highest September maximum recorded in the last 20 years. The lowest temperature was 5.8 degrees on September 23. There were no ice days, frost days, or tropical nights, but the month saw 17 summer days and 4 hot days, far exceeding the 20-year averages of 7 summer days and 0 hot days.
Precipitation was remarkably scarce, with a total of only 10.5 millimetres for the entire month. This makes September 2026 the driest September in the last 20 years, by a wide margin. The previous driest September was in 2018 with 27.9 millimetres. No single day exceeded 20 millimetres of precipitation, so no individual daily rainfall record was set. The month’s precipitation total was less than one-fifth of the 20-year average of 62.8 millimetres.
In terms of historical ranking, September 2026 was the warmest September in the last 20 years based on maximum temperature, surpassing the previous record of 32.1 degrees set in 2024. The average temperature of 18.8 degrees was also the second warmest September average in the last 20 years, behind only 2023 with 19.4 degrees. The month ranks as very warm overall, placing among the top three warmest Septembers in the last two decades. For precipitation, September 2026 was the driest on record for the last 20 years, ranking 20th out of 20 when ordered from wettest to driest.
Compared with historical trends, September 2026 stands out for its combination of extreme heat and extreme dryness. The number of summer days and hot days was more than double the 20-year average, and the total precipitation was dramatically lower than any other September in the dataset. The previous record for the driest September was held by 2018, and the previous record for the hottest September day was held by 2024. Overall, September 2026 was an extraordinary month in Binningen, marked by record-breaking warmth and an unprecedented lack of rainfall over the past 20 years.
| Parameter | Month of interest | Since 2000 |
|---|---|---|
| Avg Temperature °C | 18.8 | 16.0 |
| Min Temperature °C | 20.1 | 7.6 |
| Max Temperature °C | 32.6 | 32.6 |
| Avg Precipitation mm | 10.5 | 65.7 |
| Min Precipitation mm | 10.5 | |
| Max Precipitation mm | 158.5 |
🤖 This text was generated with the assistance of AI. All quantitative statements are derived directly from the dataset listed under Data Source.