Benmore Botanic Garden weather summary for September
Highest max. air temp. - 19.1C on the 1st Lowest max. air temp. - 11.2C on the 24th Average max. air temp. - 15.0C Lowest min. air temp. - 1.9C on the 28th Highest min. air temp. - 14.6C on the 2nd Average min. air temp. - 8.4C Highest min. at grass level - 14.6C on the 2nd Lowest min. at grass level - -2.4C on the 28th Average min. at grass level - 5.3C Air min. below 0.0C on - 0 days Grass level min. below 0.0C on - 2 days Hail on - 0 days Snow/sleet on - 0 days Thunder on - 1 day Gale on - 1 day Greatest rainfall in one day - 32.2mm on the 17th Rain 0.2mm or more on - 27 days Rain 1.0mm or more on - 24 days Rain 5.0mm or more on - 16 days Trace (between 0.0mm and 0.1mm) - 1 day Total with measurable rain - 29 days Average relative humidity - 84.5 per cent Total rainfall for month - 273.8mm (10.8 inches) Total rainfall for year - 1516.1mm (59.7 inches) Precipitation for September was 25 per cent above the long term average. Total precipitation, however, for the period January to September has been 6 per cent below average. September’s mean daily maximum temperature was almost 1C below the long term average.
Benmore Gardens on the Cowal Peninsula.