Haiphong weather in September 2025

Expect 88°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Haiphong in September. Check more long-term weather averages for Haiphong in September before you book your next holiday to Vietnam in 2025/2026.

  • 88°F maximum daytime temperature in September in Haiphong88
    88°F max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in September in Haiphong14
    14 days with some rainfall
  • 75°F minimum night-time temperature in September in Haiphong75
    75°F min night temperature
  • 12 hours of daylight per day in September in Haiphong12
    12 hours of daylight per day
  • Very high heat & humidity in September in HaiphongVH
    Very High heat & humidity
  • 8.2 inches monthly rainfall in September in Haiphong8.2
    8.2 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Haiphong11
    11 (Extreme) UV index
  • 82°F sea temperature in September in Haiphong82
    82°F sea temperature

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The September weather guide for Vietnam (Haiphong) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Haiphong in September?

Daytime temperatures usually reach 88°F in Haiphong in September with very high heat and humidity, falling to 75°F at night.

How sunny is it in Haiphong in September?

There are normally 6 hours of bright sunshine each day in Haiphong in September - that's 50% of daylight hours.

How warm is the sea around Haiphong in September?

The average sea temperature around Haiphong in September is 82°F.

Does it rain in Haiphong in September?

There are usually 14 days with some rain in Haiphong in September and the average monthly rainfall is 8.2 inches.

What is the chance of a typhoon in Haiphong in September?

On average 2.3 days in September in Haiphong are likely to be affected by the passage of one or more tropical storms.

Haiphong September sunrise & sunset times

Browse the sunrise and sunset times for Haiphong in September 2025. Select a month to view Haiphong sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:37 18:09
Monday, 15th September 2025 05:40 17:56
Tuesday, 30th September 2025 05:44 17:42

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