Mobile weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Mobile in September. Check more long-term weather averages for Mobile in September before you book your next holiday to Alabama in 2025/2026.

  • 31°C maximum daytime temperature in September in Mobile31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in September in Mobile10
    10 days with some rainfall
  • 20°C minimum night-time temperature in September in Mobile20
    20°C min night temperature
  • 12 hours of daylight per day in September in Mobile12
    12 hours of daylight per day
  • High heat & humidity in September in MobileH
    High heat & humidity
  • 153 mm monthly rainfall in September in Mobile153
    153 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Mobile9
    9 (Very High) UV index
  • 28°C sea temperature in September in Mobile28
    28°C sea temperature

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The September weather guide for Alabama (Mobile) 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 / mm)  |  Imperial (°F / inches)

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More about the USA

How hot is it in Mobile in September?

Daytime temperatures usually reach 31°C in Mobile in September with high heat and humidity, falling to 20°C at night.

How sunny is it in Mobile in September?

There are normally 7 hours of bright sunshine each day in Mobile in September - that's 58% of daylight hours.

How warm is the sea around Mobile in September?

The average sea temperature around Mobile in September is 28°C.

Does it rain in Mobile in September?

There are usually 10 days with some rain in Mobile in September and the average monthly rainfall is 153mm.

What is the chance of a hurricane in Mobile in September?

On average 1.1 days in September in Mobile are likely to be affected by the passage of one or more tropical storms.

Mobile September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:29 18:15
Monday, 15th September 2025 05:37 17:57
Tuesday, 30th September 2025 05:45 17:38

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