Kosong in September

7.2out of 10

Possible, with caveats

Warm and comfortable: highs around 23°C. Frequent rain: about 11 rainy days.

23°CAvg high
18°CAvg low
11Rainy days (157 mm)
12:14 hDaylight
06:13Sunrise · 18:27 Sunset

Why this score

  • Warm and comfortable: highs around 23°C
  • Frequent rain: about 11 rainy days

What to wear and pack

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

How reliable is the forecast?

Rain in September varies a lot between years (±3.6 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

2° -5° J 4° -3° F 9° 2° M 15° 8° A 19° 13° M 23° 18° J 26° 22° J 26° 22° A 23° 18° S 18° 12° O 11° 5° N 5° -2° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 2°C-5°C48 mm 7– – 4.6
February 4°C-3°C44 mm 6– – 5.1
March 9°C2°C52 mm 8– – 5.9
April 15°C8°C66 mm 7– – 6.9
May 19°C13°C85 mm 8– – 7.6
June 23°C18°C101 mm 10– – 7.7
July 26°C22°C207 mm 14– – 6.6
August 26°C22°C218 mm 15– – 6.5
September 23°C18°C157 mm 11– – 7.2
October 18°C12°C79 mm 8– – 7.4
November 11°C5°C73 mm 8– – 6.3
December 5°C-2°C44 mm 5– – 5.4

Frequently asked questions

How hot is Kosong in September?

Daytime highs average 23°C and nights about 18°C.

When is the best time to visit Kosong?

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