Ames in September

7.9out of 10

Yes, a good time to go

Warm and comfortable: highs around 24°C. Frequent rain: about 9 rainy days.

24°CAvg high
13°CAvg low
9Rainy days (91 mm)
12:16 hDaylight
07:01Sunrise · 19:17 Sunset

Why this score

  • Warm and comfortable: highs around 24°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?

Rainfall in September is fairly consistent from year to year (3.0 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

-2° -10° J 1° -8° F 9° -2° M 17° 5° A 22° 11° M 27° 17° J 29° 19° J 28° 17° A 24° 13° S 17° 6° O 9° -1° N 1° -7° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -2°C-10°C30 mm 7– – 4.2
February 1°C-8°C37 mm 7– – 4.2
March 9°C-2°C63 mm 9– – 5.5
April 17°C5°C113 mm 11– – 6.5
May 22°C11°C139 mm 14– – 7.0
June 27°C17°C129 mm 11– – 7.4
July 29°C19°C98 mm 9– – 7.8
August 28°C17°C100 mm 9– – 7.8
September 24°C13°C91 mm 9– – 7.9
October 17°C6°C74 mm 8– – 7.2
November 9°C-1°C53 mm 7– – 5.8
December 1°C-7°C40 mm 6– – 4.3

Frequently asked questions

How hot is Ames in September?

Daytime highs average 24°C and nights about 13°C.

When is the best time to visit Ames?

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