Morristown in September

7.9out of 10

Yes, a good time to go

Warm and comfortable: highs around 27°C. Frequent rain: about 9 rainy days.

27°CAvg high
16°CAvg low
9Rainy days (80 mm)
12:13 hDaylight
07:21Sunrise · 19:34 Sunset

Why this score

  • Warm and comfortable: highs around 27°C
  • Frequent rain: about 9 rainy days

What to wear and pack

  • T-shirts and light layers
  • Shorts or a light skirt
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in September varies a lot between years (±3.2 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

9° -1° J 11° 1° F 16° 4° M 21° 9° A 25° 14° M 29° 18° J 30° 20° J 30° 20° A 27° 16° S 21° 10° O 15° 4° N 10° 1° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 9°C-1°C102 mm 11– – 5.2
February 11°C1°C99 mm 11– – 5.6
March 16°C4°C111 mm 12– – 6.3
April 21°C9°C100 mm 11– – 7.3
May 25°C14°C93 mm 12– – 7.4
June 29°C18°C82 mm 13– – 7.3
July 30°C20°C103 mm 15– – 6.7
August 30°C20°C80 mm 11– – 7.4
September 27°C16°C80 mm 9– – 7.9
October 21°C10°C72 mm 8– – 7.9
November 15°C4°C84 mm 9– – 6.8
December 10°C1°C106 mm 11– – 5.5

Frequently asked questions

How hot is Morristown in September?

Daytime highs average 27°C and nights about 16°C.

When is the best time to visit Morristown?

The best months are September, October, May, August.