Port Huron in September

7.9out of 10

Yes, a good time to go

Mild: highs around 22°C. Frequent rain: about 9 rainy days.

22°CAvg high
14°CAvg low
9Rainy days (72 mm)
12:17 hDaylight
07:16Sunrise · 19:32 Sunset

Why this score

  • Mild: highs around 22°C
  • Frequent rain: about 9 rainy days

What to wear and pack

  • Layers you can add or remove
  • A light jacket for cooler evenings
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in September is fairly consistent from year to year (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

-1° -7° J 0° -6° F 5° -3° M 12° 4° A 19° 10° M 24° 16° J 27° 19° J 26° 18° A 22° 14° S 15° 8° O 8° 2° N 2° -3° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -1°C-7°C58 mm 10– – 3.8
February 0°C-6°C52 mm 8– – 4.0
March 5°C-3°C56 mm 10– – 4.8
April 12°C4°C85 mm 11– – 6.0
May 19°C10°C85 mm 12– – 6.9
June 24°C16°C87 mm 11– – 7.6
July 27°C19°C71 mm 11– – 7.6
August 26°C18°C70 mm 10– – 7.7
September 22°C14°C72 mm 9– – 7.9
October 15°C8°C76 mm 11– – 6.5
November 8°C2°C66 mm 10– – 5.5
December 2°C-3°C56 mm 10– – 4.2

Frequently asked questions

How hot is Port Huron in September?

Daytime highs average 22°C and nights about 14°C.

When is the best time to visit Port Huron?

The best months are September, August, June, July.