Wausau in September

7.5out of 10

Yes, a good time to go

Mild: highs around 21°C. Frequent rain: about 10 rainy days.

21°CAvg high
10°CAvg low
10Rainy days (80 mm)
12:18 hDaylight
06:44Sunrise · 19:02 Sunset

Why this score

  • Mild: highs around 21°C
  • Frequent rain: about 10 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 (2.6 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

-5° -13° J -2° -11° F 5° -6° M 13° 1° A 19° 8° M 24° 14° J 26° 16° J 25° 14° A 21° 10° S 13° 4° O 5° -3° N -2° -9° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -5°C-13°C31 mm 7– – 4.2
February -2°C-11°C29 mm 6– – 4.4
March 5°C-6°C52 mm 8– – 4.7
April 13°C1°C81 mm 12– – 6.0
May 19°C8°C95 mm 13– – 6.9
June 24°C14°C103 mm 12– – 7.4
July 26°C16°C92 mm 12– – 7.5
August 25°C14°C94 mm 11– – 7.6
September 21°C10°C80 mm 10– – 7.5
October 13°C4°C76 mm 10– – 6.4
November 5°C-3°C50 mm 8– – 5.0
December -2°C-9°C40 mm 7– – 4.1

Frequently asked questions

How hot is Wausau in September?

Daytime highs average 21°C and nights about 10°C.

When is the best time to visit Wausau?

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