Hemel Hempstead in Fall
In fall (September, October and November), Hemel Hempstead sees average daytime highs around 14°C and overnight lows near 8°C, with 173 mm of precipitation over about 32 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 19°C in early September to 9°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 Hemel Hempstead's 2nd-best season to visit on our travel score. For the whole year in context, see Hemel Hempstead's year-round climate.
- Avg daytime high
- 14°C
- 2nd-warmest season
- Avg overnight low
- 8°C
- Precipitation
- 173 mm
- 32 wet days
- Avg wind
- 15 km/h
- Travel score
- 3.9
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Hemel Hempstead in Fall
Over the season highs ease from about 19°C in early September to 9°C by late November.
A typical fall day in Hemel Hempstead reaches about 14°C and drops to 8°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Hemel Hempstead
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.
Hemel Hempstead 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 | 7° / 2° | 55 | 11.2 | 0.9 | 8.1 | 0.9 |
| Feb | 8° / 2° | 44 | 9.9 | 1.4 | 9.6 | 1.1 |
| Mar | 10° / 4° | 44 | 10.3 | 0.7 | 11.5 | 2.2 |
| Apr | 13° / 5° | 51 | 11.4 | 0.1 | 13.6 | 3.4 |
| May | 16° / 8° | 56 | 10.5 | 0 | 15.4 | 4.8 |
| Jun | 19° / 11° | 58 | 10.5 | 0 | 16.3 | 5.8 |
| Jul | 21° / 13° | 58 | 11.2 | 0 | 16 | 6.2 |
| Aug | 21° / 13° | 62 | 10.7 | 0 | 14.4 | 6.2 |
| Sep | 18° / 11° | 51 | 9.4 | 0 | 12.4 | 5.7 |
| Oct | 14° / 8° | 60 | 11.4 | 0 | 10.4 | 3.9 |
| Nov | 10° / 5° | 62 | 11.2 | 0.2 | 8.6 | 2.1 |
| Dec | 7° / 3° | 57 | 11.2 | 0.9 | 7.6 | 1.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 14% of the time across fall.
Chance of precipitation in Fall
Hemel Hempstead gets around 173 mm of rain and snow over 32 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 15 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 1.9 kWh/m².
Is fall a good time to visit Hemel Hempstead?
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 Hemel Hempstead.
What to pack for Hemel Hempstead in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Hemel Hempstead sees daytime highs around 14°C and nights near 8°C. Pack a warm layer. Worth having: rain gear. About 32 days see rain.
UV index in Hemel Hempstead 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 Hemel Hempstead peaks around August 10 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 | 6 | 6 | 6 | 6 | 4 | 2 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 3 | Moderate |
| Apr | 3 | Moderate |
| May | 6 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Hemel Hempstead?
Hemel Hempstead sits at 51.8°N, 0.4°W, 138 m above sea level, in United Kingdom. The nearest listed city is Berkhamsted, 8.0 km away.
Topography around Hemel Hempstead
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hemel Hempstead.
Within 3 km, the terrain around Hemel Hempstead has only modest variations in elevation — a maximum elevation change of 90 m around an average of 124 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 222 m; within 80 km, significant variations in elevation — a maximum elevation change of 306 m.
The land around Hemel Hempstead is covered by artificial surfaces (33%) and trees (30%) within 3 km, trees (32%), grassland (29%) and cropland (26%) within 16 km, and cropland (37%), grassland (29%) and trees (23%) within 80 km.
United Kingdom travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type D / G / M
- 230 V · 50 Hz
- Prices
- ≈ 89% of US
- price level, 2025
- GDP per capita
- $57,602
- 2025
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.1
- per 100k, 2021
- Road deaths
- 3.2
- 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 Hemel Hempstead (51.7537°, -0.4497°, elevation 138 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.