Plainfield in September

7.7out of 10

Yes, a good time to go

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

24°CAvg high
15°CAvg low
9Rainy days (110 mm)
12:15 hDaylight
06:44Sunrise · 19:00 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
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in September is fairly consistent from year to year (2.8 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

3° -4° J 5° -3° F 10° 0° M 16° 6° A 22° 12° M 27° 17° J 29° 20° J 28° 19° A 24° 15° S 18° 9° O 12° 3° N 6° -1° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 3°C-4°C89 mm 9– – 4.4
February 5°C-3°C79 mm 9– – 4.8
March 10°C0°C109 mm 10– – 5.5
April 16°C6°C97 mm 11– – 6.6
May 22°C12°C96 mm 12– – 7.4
June 27°C17°C110 mm 12– – 7.3
July 29°C20°C109 mm 11– – 7.4
August 28°C19°C103 mm 11– – 7.5
September 24°C15°C110 mm 9– – 7.7
October 18°C9°C101 mm 9– – 7.1
November 12°C3°C81 mm 8– – 6.3
December 6°C-1°C105 mm 10– – 4.8

Frequently asked questions

How hot is Plainfield in September?

Daytime highs average 24°C and nights about 15°C.

When is the best time to visit Plainfield?

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