Rotterdam weather in September 2025

Expect 64°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Rotterdam in September. Check more long-term weather averages for Rotterdam in September before you book your next holiday to Netherlands in 2025/2026.

  • 64°F maximum daytime temperature in September in Rotterdam64
    64°F max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in September in Rotterdam15
    15 days with some rainfall
  • 50°F minimum night-time temperature in September in Rotterdam50
    50°F min night temperature
  • 13 hours of daylight per day in September in Rotterdam13
    13 hours of daylight per day
  • No heat & humidity in September in Rotterdam0
    No heat & humidity
  • 3.0 inches monthly rainfall in September in Rotterdam3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Rotterdam4
    4 (Moderate) UV index

More about the Rotterdam

Rotterdam by month

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

Recommended for the Netherlands

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost

TUITUI deal finder

The September weather guide for Netherlands (Rotterdam) 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)

Back to top

More about the Netherlands

How hot is it in Rotterdam in September?

Daytime temperatures usually reach 64°F in Rotterdam in September, falling to 50°F at night.

How sunny is it in Rotterdam in September?

There are normally 4 hours of bright sunshine each day in Rotterdam in September - that's 35% of daylight hours.

Does it rain in Rotterdam in September?

There are usually 15 days with some rain in Rotterdam in September and the average monthly rainfall is 3.0 inches.

Rotterdam September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:54 19:29
Monday, 15th September 2025 06:17 18:56
Tuesday, 30th September 2025 06:42 18:21

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^