ClimateAverages

Southampton Weather in September

JanFebMarAprMayJunJulAugSepOctNovDec
September daytime high
18.1°C
September overnight low
10.7°C
September average
14.4°C

In September, Southampton typically sees daytime highs of 18.1°C and overnight lows around 10.7°C. Compared to the annual average high of 13.4°C, September runs +4.6°C.

vs. annual avg high
+4.6°C
Rank among 12 months
#4 warmest
Hottest year overall
2006

Where September ranks in Southampton

JanFebMarAprMayJunJulAugSep18°OctNovDec

FAQ

What is the average temperature in Southampton in September?

September in Southampton averages a daytime high of 18.1°C and an overnight low of 10.7°C.

Is September warm or cold in Southampton?

September runs +4.6°C compared to Southampton's annual average high of 13.4°C, ranking #4 of 12 months by warmth.

What should I pack for Southampton in September?

Plan for daytime highs near 18.1°C and cooler evenings around 10.7°C.

Other months for Southampton

JanuaryFebruaryMarchAprilMayJuneJulyAugustOctoberNovemberDecember

September in nearby cities

LondonWashingtonCity of LondonBirminghamLiverpoolLeedsSheffieldBristolManchesterLeicesterIslingtonCoventry