Carbondale in September

8.1out of 10

Yes, a good time to go

Warm and comfortable: highs around 27°C. Some rain: about 7 rainy days.

27°CAvg high
16°CAvg low
7Rainy days (76 mm)
12:14 hDaylight
06:44Sunrise · 18:58 Sunset

Why this score

  • Warm and comfortable: highs around 27°C
  • Some rain: about 7 rainy days

What to wear and pack

  • T-shirts and light layers
  • Shorts or a light skirt

How reliable is the forecast?

Rain in September varies a lot between years (±3.0 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

6° -2° J 9° 0° F 15° 4° M 21° 10° A 25° 15° M 30° 20° J 31° 22° J 31° 21° A 27° 16° S 21° 10° O 14° 5° N 8° 0° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 6°C-2°C84 mm 8– – 5.1
February 9°C0°C78 mm 9– – 5.7
March 15°C4°C107 mm 11– – 6.3
April 21°C10°C127 mm 12– – 7.1
May 25°C15°C117 mm 12– – 7.3
June 30°C20°C90 mm 11– – 7.4
July 31°C22°C89 mm 10– – 7.0
August 31°C21°C69 mm 8– – 7.5
September 27°C16°C76 mm 7– – 8.1
October 21°C10°C91 mm 8– – 7.9
November 14°C5°C95 mm 9– – 6.5
December 8°C0°C84 mm 9– – 5.4

Frequently asked questions

How hot is Carbondale in September?

Daytime highs average 27°C and nights about 16°C.

When is the best time to visit Carbondale?

The best months are September, October, August.