Greystones in Fall
In fall (September, October and November), Greystones sees average daytime highs around 13°C and overnight lows near 10°C, with 274 mm of rain 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 16°C in early September to 10°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 Greystones's 2nd-best season to visit on our travel score. For the whole year in context, see Greystones's year-round climate.
- Avg daytime high
- 13°C
- 2nd-warmest season
- Avg overnight low
- 10°C
- Rainfall
- 274 mm
- 42 wet days
- Avg wind
- 23 km/h
- Travel score
- 3.2
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Greystones in Fall
Over the season highs ease from about 16°C in early September to 10°C by late November.
A typical fall day in Greystones reaches about 13°C and drops to 10°C overnight. The warmest of the three months is September, the coolest November.
Greystones 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 | 8° / 5° | 81 | 14.7 | 0.5 | 7.9 | 1.2 |
| Feb | 8° / 5° | 64 | 12.7 | 0.9 | 9.5 | 1.1 |
| Mar | 9° / 6° | 62 | 12.2 | 0.5 | 11.5 | 1.5 |
| Apr | 10° / 7° | 61 | 12.7 | 0.1 | 13.6 | 2.1 |
| May | 12° / 9° | 58 | 12.3 | 0 | 15.5 | 3.0 |
| Jun | 14° / 11° | 68 | 11.6 | 0 | 16.6 | 4.0 |
| Jul | 16° / 13° | 71 | 13.6 | 0 | 16.2 | 4.5 |
| Aug | 17° / 13° | 75 | 13 | 0 | 14.5 | 4.7 |
| Sep | 15° / 12° | 75 | 12.5 | 0 | 12.4 | 4.2 |
| Oct | 13° / 10° | 92 | 13.7 | 0 | 10.3 | 3.2 |
| Nov | 11° / 8° | 107 | 15.3 | 0.1 | 8.4 | 2.1 |
| Dec | 9° / 6° | 90 | 13.9 | 0.4 | 7.4 | 1.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 14% of the time across fall.
Chance of precipitation in Fall
Greystones gets around 274 mm of rain 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 23 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 h 30 min in early September to 7 h 42 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 1.9 kWh/m².
Is fall a good time to visit Greystones?
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 Greystones.
What to pack for Greystones in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Greystones sees daytime highs around 13°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 Greystones in Fall
The nearest coast averages about 14°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 13 km away) is warmest in August at about 15°C and coldest in March near 8°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) | 9 | 8 | 8 | 9 | 10 | 12 | 14 | 15 | 15 | 14 | 12 | 11 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 9 | Bracing |
| Feb | 8 | Bracing |
| Mar | 8 | Bracing |
| Apr | 9 | Bracing |
| May | 10 | Bracing |
| Jun | 12 | Bracing |
| Jul | 14 | Bracing |
| Aug | 15 | Bracing |
| Sep | 15 | Bracing |
| Oct | 14 | Bracing |
| Nov | 12 | Bracing |
| Dec | 11 | Bracing |
UV index in Greystones 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 Greystones peaks around August 13 at about 6 (high) — a little sun protection helps at midday. 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 | 5 | 6 | 4 | 2 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 3 | Moderate |
| Apr | 3 | Moderate |
| May | 5 | High |
| Jun | 6 | High |
| Jul | 5 | High |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Low |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Greystones?
Greystones sits at 53.1°N, 6.1°W, 80 m above sea level, in Ireland. The nearest listed city is Bray, 7.0 km away.
Topography around Greystones
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Greystones.
Within 3 km, the terrain around Greystones has only modest variations in elevation — a maximum elevation change of 220 m around an average of 33 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 721 m; within 80 km, large variations in elevation — a maximum elevation change of 946 m.
The land around Greystones is covered by water (43%) and grassland (25%) within 3 km, water (52%) and grassland (27%) within 16 km, and grassland (46%) and water (32%) within 80 km.
Ireland travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type G
- 230 V · 50 Hz
- Prices
- ≈ 85% of US
- price level, 2025
- GDP per capita
- $131,592
- 2025
- Happiness
- 6.9 / 10
- World Happiness, 2025
- Safe drinking water
- 96%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2023
- Road deaths
- 3.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- 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 Greystones (53.1408°, -6.0631°, elevation 80 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.