River Falls in September

7.8out of 10

Yes, a good time to go

Warm and comfortable: highs around 22°C. Frequent rain: about 9 rainy days.

22°CAvg high
12°CAvg low
9Rainy days (87 mm)
12:18 hDaylight
06:56Sunrise · 19:14 Sunset

Why this score

  • Warm and comfortable: highs around 22°C
  • Frequent rain: about 9 rainy days

What to wear and pack

  • T-shirts and light layers
  • A light jacket for cooler evenings
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in September varies a lot between years (±3.1 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

-5° -13° J -2° -11° F 6° -4° M 14° 3° A 21° 10° M 26° 16° J 28° 18° J 26° 16° A 22° 12° S 14° 5° O 5° -2° N -2° -9° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -5°C-13°C28 mm 6– – 4.2
February -2°C-11°C29 mm 5– – 4.4
March 6°C-4°C54 mm 8– – 4.9
April 14°C3°C82 mm 11– – 6.3
May 21°C10°C111 mm 13– – 7.0
June 26°C16°C117 mm 12– – 7.3
July 28°C18°C87 mm 11– – 7.6
August 26°C16°C103 mm 10– – 7.6
September 22°C12°C87 mm 9– – 7.8
October 14°C5°C69 mm 9– – 6.6
November 5°C-2°C52 mm 7– – 5.2
December -2°C-9°C37 mm 7– – 4.2

Frequently asked questions

How hot is River Falls in September?

Daytime highs average 22°C and nights about 12°C.

When is the best time to visit River Falls?

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