 The month with the most days of precipitation is January, with an average of 7.9, but with only of rain or snow.The driest month of the year is September with an average of of precipitation over 5.4 days.In Brig about 8,589 or (37.3%) of the population have completed non-mandatory upper secondary education, and 2,232 or (9.7%) have completed additional higher education (either University or a "Fachhochschule").