Bangor in September

7.8out of 10

Yes, a good time to go

Mild: highs around 21°C. Some rain: about 8 rainy days.

21°CAvg high
11°CAvg low
8Rainy days (90 mm)
12:18 hDaylight
06:21Sunrise · 18:38 Sunset

Why this score

  • Mild: highs around 21°C
  • Some rain: about 8 rainy days

What to wear and pack

  • Layers you can add or remove
  • 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 (2.8 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

-2° -11° J 0° -10° F 4° -5° M 11° 1° A 18° 7° M 23° 12° J 26° 15° J 25° 15° A 21° 11° S 14° 5° O 7° -1° N 1° -7° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -2°C-11°C85 mm 10– – 3.7
February 0°C-10°C75 mm 9– – 3.9
March 4°C-5°C92 mm 10– – 4.3
April 11°C1°C92 mm 11– – 5.7
May 18°C7°C83 mm 11– – 6.9
June 23°C12°C93 mm 11– – 7.5
July 26°C15°C78 mm 11– – 7.7
August 25°C15°C77 mm 9– – 7.8
September 21°C11°C90 mm 8– – 7.8
October 14°C5°C112 mm 10– – 6.3
November 7°C-1°C92 mm 10– – 5.1
December 1°C-7°C109 mm 12– – 3.5

Frequently asked questions

How hot is Bangor in September?

Daytime highs average 21°C and nights about 11°C.

When is the best time to visit Bangor?

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