Keene in September

7.8out of 10

Yes, a good time to go

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

22°CAvg high
11°CAvg low
9Rainy days (85 mm)
12:17 hDaylight
06:35Sunrise · 18:52 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° -10° J 1° -9° F 5° -4° M 13° 2° A 19° 8° M 24° 13° J 27° 16° J 26° 15° A 22° 11° S 14° 5° O 8° 0° N 2° -6° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -1°C-10°C79 mm 9– – 3.8
February 1°C-9°C74 mm 9– – 3.9
March 5°C-4°C94 mm 10– – 4.6
April 13°C2°C92 mm 11– – 6.0
May 19°C8°C80 mm 12– – 7.1
June 24°C13°C87 mm 12– – 7.5
July 27°C16°C84 mm 11– – 7.6
August 26°C15°C81 mm 9– – 7.8
September 22°C11°C85 mm 9– – 7.8
October 14°C5°C103 mm 10– – 6.5
November 8°C0°C83 mm 9– – 5.3
December 2°C-6°C102 mm 11– – 3.8

Frequently asked questions

How hot is Keene in September?

Daytime highs average 22°C and nights about 11°C.

When is the best time to visit Keene?

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