Bolton in September

7.7out of 10

Yes, a good time to go

Mild: highs around 21°C. Frequent rain: about 9 rainy days.

21°CAvg high
11°CAvg low
9Rainy days (72 mm)
12:17 hDaylight
07:05Sunrise · 19:22 Sunset

Why this score

  • Mild: highs around 21°C
  • Frequent rain: about 9 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° -10° J -1° -10° F 5° -5° M 12° 2° A 19° 8° M 24° 13° J 26° 15° J 25° 15° A 21° 11° S 14° 5° O 7° -1° N 1° -6° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -2°C-10°C57 mm 10– – 3.8
February -1°C-10°C47 mm 8– – 4.0
March 5°C-5°C55 mm 10– – 4.6
April 12°C2°C76 mm 11– – 5.9
May 19°C8°C82 mm 12– – 7.0
June 24°C13°C89 mm 12– – 7.5
July 26°C15°C83 mm 11– – 7.6
August 25°C15°C79 mm 10– – 7.8
September 21°C11°C72 mm 9– – 7.7
October 14°C5°C73 mm 11– – 6.3
November 7°C-1°C67 mm 10– – 5.0
December 1°C-6°C57 mm 10– – 3.8

Frequently asked questions

How hot is Bolton in September?

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

When is the best time to visit Bolton?

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