Usulután in September

5.8out of 10

Possible, with caveats

Warm and comfortable: highs around 30°C. Very wet: about 27 rainy days.

30°CAvg high
24°CAvg low
27Rainy days (343 mm)
12:04 hDaylight
05:46Sunrise · 17:50 Sunset

Why this score

  • Warm and comfortable: highs around 30°C
  • Very wet: about 27 rainy days

What to wear and pack

  • T-shirts and light layers
  • Shorts or a light skirt
  • Rain jacket or compact umbrella
  • Sunscreen, sunglasses and a hat

How reliable is the forecast?

Rainfall in September is fairly consistent from year to year (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

32° 23° J 32° 23° F 32° 24° M 33° 25° A 31° 25° M 31° 25° J 31° 25° J 31° 25° A 30° 24° S 30° 24° O 30° 24° N 31° 23° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 32°C23°C1 mm 0– – 8.3
February 32°C23°C2 mm 0– – 8.2
March 32°C24°C7 mm 2– – 7.9
April 33°C25°C29 mm 8– – 7.0
May 31°C25°C219 mm 22– – 5.4
June 31°C25°C288 mm 24– – 5.6
July 31°C25°C198 mm 20– – 5.4
August 31°C25°C273 mm 24– – 5.6
September 30°C24°C343 mm 27– – 5.8
October 30°C24°C349 mm 25– – 5.9
November 30°C24°C72 mm 9– – 7.5
December 31°C23°C4 mm 1– – 8.3

Frequently asked questions

How hot is Usulután in September?

Daytime highs average 30°C and nights about 24°C.

When is the best time to visit Usulután?

The best months are January, December, February, March.