Gatineau weather in September
Long-run climate averages for Gatineau, Quebec in September, plus what the forecast models say for the days ahead.
In September, Gatineau averages 23°C by day and 13°C at night. The wettest month is usually August.
September in Gatineau averages a daytime high of 23°C and an overnight low of 13°C, which reads as warm for this part of the world. Across the whole year Gatineau sees roughly 1163 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live Gatineau forecast with every model compared and how much they currently agree.
Gatineau weather by month
what to expect in Gatineau through the yearHere is Gatineau's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Gatineau by season.