30YearWeather
Amsterdam in September
Amsterdam weather in September - Netherlands
🌤️Mild & Comfortable

Amsterdam Weather in September

Plan your September trip to Amsterdam, Netherlands. Based on 30 years of NASA data, expect temperatures of 19°C (high) to 12°C (low), with 28% rain probability and 8 hours of daily sunshine. The North Sea averages 19°C in September. Pack rain gear for around 20 rainy days.

Avg High
19°C

Hottest around day 4

Avg Low
12°C

Coolest around day 28

Rainy Days
20days

28% avg rain chance

Sunshine
8hrs/day

Autumn season

Sea Temperature in September

North Sea(Noordzee)

18.7°C

Monthly Average

Water Feel
🏊Pleasant

Comfortable for most swimmers

Swim Rating
👍Good for swimming

Based on average sea surface temperature

Body of Water
North Sea

Noordzee

Amsterdam coastline

Amsterdam September Weather Calendar

Click any day to see detailed weather information

Currency

EUR

Euro

Language

Dutch

Driving

Right side

Connect

The first Internet cafes in the country ...

Safety

High Safety

GPI: 1.522

Travel Intelligence

Exclusive flight analytics & health data for Amsterdam

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub
100/ 100
Traffic Index

Extremely busy airport

Peak Daily Arrivals

0

slots per day

Peak

Oct

Low

Jan

Monthly Traffic Distribution

562
Jan
593
Feb
631
Mar
700
Apr
728
May
1340
Jun
2319
Jul
729
Aug
2440
Sep
2480
Oct
2061
Nov
2230
Dec
Traffic Level
Low Season

Key Connections

London Heathrow (LHR)
Paris Charles de Gaulle (CDG)
Dublin (DUB)
Copenhagen Kastrup (CPH)
Frankfurt-am-Main (FRA)

Health & Safety Advisory

CDC travel health recommendations

7 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to the Netherlands. Unvaccinated travelers 60 years and older may get vaccinated before traveling to the Netherlands.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in the Netherlands.If rabies exposures occur while in the Netherlands, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Tick-borne Encephalitis

Avoid bug bitesLearn more abouttick-borne encephalitis at your destination.

+1 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Amsterdam?

👌Worthwhile timing with some trade-offs
Short Answer

September is Amsterdam's peak season for good reason: 19°C temperatures and 28% rain probability. But expect crowds (98% of annual maximum) and premium prices.

Decision Factors

Vaccinations required

Yellow Fever

Very high humidity

80% average humidity

Peak tourist season

98% of annual peak - expect crowds and peak prices

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Parvovirus B19

Plenty of sunshine

8.4h of sunshine daily

Rich cultural heritage

4 UNESCO World Heritage sites nearby

Good For

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

  • 🎯
    Adventure seekers

    1.27m waves - good for surfing and water sports

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👴
    Elderly travelers

    80% humidity creates difficult conditions

900 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Amsterdam in September averages 19°C with 28% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Amsterdam in September

What are the temperatures in Amsterdam in September?

Daytime highs average 19°C, nights drop to 12°C. Temperatures remain fairly consistent.

How many rainy days in Amsterdam in September?

Expect around 20 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Amsterdam in September?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is September peak season in Amsterdam?

This is shoulder season—moderate prices and manageable crowds.