Watford weather in September 2025

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

  • 19°C maximum daytime temperature in September in Watford19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in September in Watford12
    12 days with some rainfall
  • 10°C minimum night-time temperature in September in Watford10
    10°C min night temperature
  • 13 hours of daylight per day in September in Watford13
    13 hours of daylight per day
  • No heat & humidity in September in Watford0
    No heat & humidity
  • 55 mm monthly rainfall in September in Watford55
    55 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Watford4
    4 (Moderate) UV index

More about Watford

Watford by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for England

Blackpool Tower: Pick 'n' Mix pass on multi-attractions

  • 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
Go to Blackpool Tower deal >>

View all Blackpool Tower offers

The September weather guide for England (Watford) 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)

Back to top

More about England

How hot is it in Watford in September?

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

How sunny is it in Watford in September?

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

Does it rain in Watford in September?

There are usually 12 days with some rain in Watford in September and the average monthly rainfall is 55mm.

Watford September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:14 18:48
Monday, 15th September 2025 05:37 18:16
Tuesday, 30th September 2025 06:01 17:41

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^