Dover in September

7.9out of 10

Yes, a good time to go

Mild: highs around 22°C. Frequent rain: about 9 rainy days.

22°CAvg high
13°CAvg low
9Rainy days (85 mm)
12:17 hDaylight
06:29Sunrise · 18:46 Sunset

Why this score

  • Mild: highs around 22°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 (2.3 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

1° -7° J 2° -6° F 6° -2° M 12° 4° A 18° 9° M 23° 14° J 27° 18° J 26° 17° A 22° 13° S 15° 7° O 9° 2° N 4° -3° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 1°C-7°C86 mm 9– – 3.8
February 2°C-6°C81 mm 9– – 4.1
March 6°C-2°C107 mm 10– – 4.7
April 12°C4°C103 mm 11– – 6.0
May 18°C9°C76 mm 11– – 7.1
June 23°C14°C93 mm 11– – 7.6
July 27°C18°C81 mm 11– – 7.6
August 26°C17°C83 mm 9– – 7.8
September 22°C13°C85 mm 9– – 7.9
October 15°C7°C107 mm 10– – 6.6
November 9°C2°C90 mm 9– – 5.7
December 4°C-3°C112 mm 10– – 4.2

Frequently asked questions

How hot is Dover in September?

Daytime highs average 22°C and nights about 13°C.

When is the best time to visit Dover?

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