ClimateAverages

Dartmouth Weather in September

September daytime high
18.6°C
September overnight low
9.6°C
September average
14.2°C

In September, Dartmouth typically sees daytime highs of 18.6°C and overnight lows around 9.6°C. Compared to the annual average high of 10.5°C, September runs +8.0°C.

vs. annual avg high
+8.0°C
Rank among 12 months
#3 warmest
Hottest year overall
2005

Where September ranks in Dartmouth

JanFebMarAprMayJunJulAugSep19°OctNovDec

FAQ

What is the average temperature in Dartmouth in September?

September in Dartmouth averages a daytime high of 18.6°C and an overnight low of 9.6°C.

Is September warm or cold in Dartmouth?

September runs +8.0°C compared to Dartmouth's annual average high of 10.5°C, ranking #3 of 12 months by warmth.

What should I pack for Dartmouth in September?

Plan for daytime highs near 18.6°C and cooler evenings around 9.6°C.

Other months for Dartmouth

September in nearby cities