Willoughby in September

7.6out of 10

Yes, a good time to go

Mild: highs around 22°C. Frequent rain: about 10 rainy days.

22°CAvg high
18°CAvg low
10Rainy days (100 mm)
12:16 hDaylight
07:12Sunrise · 19:28 Sunset

Why this score

  • Mild: highs around 22°C
  • Frequent rain: about 10 rainy days

What to wear and pack

  • Layers you can add or remove
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in September varies a lot between years (±3.4 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

0° -4° J 1° -5° F 3° -2° M 9° 5° A 17° 13° M 23° 19° J 26° 22° J 25° 21° A 22° 18° S 15° 11° O 9° 5° N 4° 0° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 0°C-4°C99 mm 15– – 3.1
February 1°C-5°C74 mm 11– – 3.7
March 3°C-2°C88 mm 12– – 4.2
April 9°C5°C105 mm 13– – 5.2
May 17°C13°C98 mm 13– – 6.5
June 23°C19°C121 mm 13– – 7.2
July 26°C22°C110 mm 12– – 7.3
August 25°C21°C101 mm 12– – 7.4
September 22°C18°C100 mm 10– – 7.6
October 15°C11°C109 mm 13– – 6.1
November 9°C5°C114 mm 14– – 4.9
December 4°C0°C112 mm 15– – 3.8

Frequently asked questions

How hot is Willoughby in September?

Daytime highs average 22°C and nights about 18°C.

When is the best time to visit Willoughby?

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