Weather · Rennes, France
Rennes Weather in September
Expect warm, some rain in Rennes through September: highs near 23°C, lows around 14°C, 64mm of rain across the month. It's one of the best months to visit.
Avg high
23°C
73°F
Avg low
14°C
57°F
Rainfall
64mm
#7 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Rain is unlikely to interrupt your plans.
Timing a trip around the weather? A Local Friend in Rennes builds it around the season for you.