ClimateAverages

Meridian Weather in September

JanFebMarAprMayJunJulAugSepOctNovDec
September daytime high
26.4°C
September overnight low
7.8°C
September average
17.0°C

In September, Meridian typically sees daytime highs of 26.4°C and overnight lows around 7.8°C. Compared to the annual average high of 17.9°C, September runs +8.5°C.

vs. annual avg high
+8.5°C
Rank among 12 months
#4 warmest
Hottest year overall
1933

Where September ranks in Meridian

JanFebMarAprMayJunJulAugSep26°OctNovDec

FAQ

What is the average temperature in Meridian in September?

September in Meridian averages a daytime high of 26.4°C and an overnight low of 7.8°C.

Is September warm or cold in Meridian?

September runs +8.5°C compared to Meridian's annual average high of 17.9°C, ranking #4 of 12 months by warmth.

What should I pack for Meridian in September?

Plan for daytime highs near 26.4°C and cooler evenings around 7.8°C.

Other months for Meridian

JanuaryFebruaryMarchAprilMayJuneJulyAugustOctoberNovemberDecember

September in nearby cities

BoiseNampaIdaho FallsPocatelloCaldwell