ClimateAverages

Niihama Weather in September

JanFebMarAprMayJunJulAugSepOctNovDec
September daytime high
24.9°C
September overnight low
17.9°C
September average
21.5°C

In September, Niihama typically sees daytime highs of 24.9°C and overnight lows around 17.9°C. Compared to the annual average high of 17.0°C, September runs +7.8°C.

vs. annual avg high
+7.8°C
Rank among 12 months
#3 warmest
Hottest year overall
2024

Where September ranks in Niihama

JanFebMarAprMayJunJulAugSep25°OctNovDec

FAQ

What is the average temperature in Niihama in September?

September in Niihama averages a daytime high of 24.9°C and an overnight low of 17.9°C.

Is September warm or cold in Niihama?

September runs +7.8°C compared to Niihama's annual average high of 17.0°C, ranking #3 of 12 months by warmth.

What should I pack for Niihama in September?

Plan for daytime highs near 24.9°C and cooler evenings around 17.9°C.

Other months for Niihama

JanuaryFebruaryMarchAprilMayJuneJulyAugustOctoberNovemberDecember

September in nearby cities

MatsuyamaUwajimaSaijo