Harlow weather in September 2025

Expect 19°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Harlow in September. Check more long-term weather averages for Harlow in September before you book your next holiday to England in 2025/2026.

  • 19°C maximum daytime temperature in September in Harlow19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in September in Harlow12
    12 days with some rainfall
  • 10°C minimum night-time temperature in September in Harlow10
    10°C min night temperature
  • 13 hours of daylight per day in September in Harlow13
    13 hours of daylight per day
  • No heat & humidity in September in Harlow0
    No heat & humidity
  • 52 mm monthly rainfall in September in Harlow52
    52 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Harlow4
    4 (Moderate) UV index

More about Harlow

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Recommended for England

  • Save on multiple attractions in Blackpool with Pick 'n' Mix pass
  • Build passes around preferred attractions & number of days
  • Including Circus, Eye, SEA LIFE, Dungeon & Madam Tussauds

The September weather guide for England (Harlow) 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 England

How hot is it in Harlow in September?

Daytime temperatures usually reach 19°C in Harlow in September, falling to 10°C at night.

How sunny is it in Harlow in September?

There are normally 5 hours of bright sunshine each day in Harlow in September - that's 37% of daylight hours.

Does it rain in Harlow in September?

There are usually 12 days with some rain in Harlow in September and the average monthly rainfall is 52mm.

Harlow September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:12 18:46
Monday, 15th September 2025 05:35 18:14
Tuesday, 30th September 2025 05:59 17:39

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