What is the typical weather for Challenge Almere-Amsterdam?

Challenge Almere-Amsterdam is usually held around September. Almere is a flat, exposed race where wind direction can dominate otherwise moderate conditions.

How should athletes check Challenge Almere-Amsterdam race-day weather?

Use the race-day planner when the forecast window opens, then check official event and local safety guidance before final decisions.

Almere

Challenge Almere-Amsterdam weather

Almere is a flat, exposed race where wind direction can dominate otherwise moderate conditions.

IronmanSeptemberInland-water swim

Typical race window

September weather in Almere

Monthly climate normal from 2016-2025 archive data.

September

Air temperature

12°C-20°C

Average wind

19 km/h

Peak daily wind

49 km/h

Wet-day chance

39%

A typical day in September averages 2.5 mm of precipitation, with average gusts around 39 km/h. Treat this as planning context, not a live forecast.

Jan

7°C

Feb

8°C

Mar

11°C

Apr

14°C

May

18°C

Jun

21°C

Jul

22°C

Aug

23°C

Sep

20°C

Oct

15°C

Nov

10°C

Dec

8°C

Swim

The inland swim avoids surf but still depends on wind chop and water quality guidance.

Bike

Flat open roads make sustained wind and gusts the main bike limiter.

Run

The run is usually mild, but rain and wind can make exposed sections feel colder.

Live race-day forecast

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