Sassenheim in Fall
In fall (September, October and November), Sassenheim sees average daytime highs around 14°C and overnight lows near 10°C, with 264 mm of precipitation over about 42 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 19°C in early September to 8°C by late November. The sky is clear or mostly clear about 14% of the time across fall, and the air most often feels dry.
Fall is Sassenheim's 2nd-best season to visit on our travel score. For the whole year in context, see Sassenheim's year-round climate.
- Avg daytime high
- 14°C
- 2nd-warmest season
- Avg overnight low
- 10°C
- Precipitation
- 264 mm
- 42 wet days
- Avg wind
- 20 km/h
- Travel score
- 3.6
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Sassenheim in Fall
Over the season highs ease from about 19°C in early September to 8°C by late November.
A typical fall day in Sassenheim reaches about 14°C and drops to 10°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Sassenheim
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Sassenheim weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 6° / 3° | 72 | 13.6 | 0.9 | 8 | 0.4 |
| Feb | 6° / 3° | 56 | 11.5 | 1.4 | 9.5 | 0.5 |
| Mar | 9° / 4° | 54 | 11.3 | 0.4 | 11.5 | 1.5 |
| Apr | 12° / 7° | 45 | 10.1 | 0 | 13.6 | 3.0 |
| May | 15° / 10° | 59 | 10.4 | 0 | 15.4 | 4.5 |
| Jun | 18° / 13° | 61 | 11 | 0 | 16.4 | 5.5 |
| Jul | 20° / 15° | 77 | 12.4 | 0 | 16 | 6.0 |
| Aug | 20° / 15° | 90 | 13.3 | 0 | 14.5 | 5.9 |
| Sep | 18° / 13° | 87 | 13 | 0 | 12.4 | 5.2 |
| Oct | 14° / 10° | 93 | 14 | 0 | 10.3 | 3.6 |
| Nov | 10° / 7° | 83 | 15.3 | 0.3 | 8.5 | 1.9 |
| Dec | 7° / 4° | 84 | 14.6 | 0.8 | 7.6 | 0.7 |
Cloud cover in Fall
The sky is clear or mostly clear about 14% of the time across fall.
Chance of precipitation in Fall
Sassenheim gets around 264 mm of rain and snow over 42 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 20 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 h 24 min in early September to 7 h 54 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 2.0 kWh/m².
Is fall a good time to visit Sassenheim?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in Sassenheim.
What to pack for Sassenheim in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Sassenheim sees daytime highs around 14°C and nights near 10°C. Pack a warm layer and rain gear. Worth having: a windbreaker. About 42 days see rain.
Sea temperature near Sassenheim in Fall
The nearest coast averages about 15°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 15 km away) is warmest in August at about 19°C and coldest in February near 5°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 6 | 5 | 6 | 9 | 12 | 15 | 18 | 19 | 18 | 15 | 11 | 8 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 6 | Bracing |
| Feb | 5 | Bracing |
| Mar | 6 | Bracing |
| Apr | 9 | Bracing |
| May | 12 | Bracing |
| Jun | 15 | Bracing |
| Jul | 18 | Cool |
| Aug | 19 | Cool |
| Sep | 18 | Cool |
| Oct | 15 | Bracing |
| Nov | 11 | Bracing |
| Dec | 8 | Bracing |
UV index in Sassenheim in Fall
Clear-sky midday UV across fall averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sassenheim peaks around June 23 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 1 | 3 | 3 | 5 | 6 | 6 | 6 | 4 | 2 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | Moderate | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 3 | Moderate |
| Apr | 3 | Moderate |
| May | 5 | Moderate |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Sassenheim?
Sassenheim sits at 52.2°N, 4.5°E, 4 m above sea level, in The Netherlands. The nearest listed city is Lisse, 5.0 km away.
Topography around Sassenheim
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sassenheim.
Within 3 km, the terrain around Sassenheim has only modest variations in elevation — a maximum elevation change of 26 m around an average of 0 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 47 m; within 80 km, only modest variations in elevation — a maximum elevation change of 99 m.
The land around Sassenheim is covered by grassland (36%) and artificial surfaces (24%) within 3 km, grassland (32%) and water (27%) within 16 km, and water (35%) and grassland (28%) within 80 km.
The Netherlands travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 84% of US
- price level, 2025
- GDP per capita
- $73,684
- 2025
- Happiness
- 7.2 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2023
- Road deaths
- 4
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 624
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sassenheim (52.225°, 4.5222°, elevation 4 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.