Chillicothe in September

8.0out of 10

Yes, a good time to go

Warm and comfortable: highs around 26°C. Some rain: about 8 rainy days.

26°CAvg high
15°CAvg low
8Rainy days (77 mm)
12:15 hDaylight
07:19Sunrise · 19:34 Sunset

Why this score

  • Warm and comfortable: highs around 26°C
  • Some rain: about 8 rainy days

What to wear and pack

  • T-shirts and light layers
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in September varies a lot between years (±3.7 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

4° -4° J 6° -3° F 12° 2° M 19° 7° A 23° 13° M 28° 18° J 30° 20° J 29° 19° A 26° 15° S 19° 8° O 12° 3° N 6° -1° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 4°C-4°C85 mm 10– – 4.5
February 6°C-3°C81 mm 10– – 5.0
March 12°C2°C105 mm 12– – 5.7
April 19°C7°C110 mm 13– – 6.7
May 23°C13°C113 mm 13– – 7.1
June 28°C18°C103 mm 12– – 7.3
July 30°C20°C94 mm 12– – 7.3
August 29°C19°C73 mm 10– – 7.7
September 26°C15°C77 mm 8– – 8.0
October 19°C8°C73 mm 9– – 7.4
November 12°C3°C80 mm 9– – 6.3
December 6°C-1°C86 mm 10– – 5.0

Frequently asked questions

How hot is Chillicothe in September?

Daytime highs average 26°C and nights about 15°C.

When is the best time to visit Chillicothe?

The best months are September, August, October.