Lanham-Seabrook in Fall
In fall (September, October and November), Lanham-Seabrook sees average daytime highs around 67°F and overnight lows near 52°F, with 10.9 in of precipitation over about 25 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 82°F in early September to 52°F by late November. The sky is clear or mostly clear about 39% of the time across fall, and the air most often feels dry.
Fall is Lanham-Seabrook's best season of the year to visit on our travel score. For the whole year in context, see Lanham-Seabrook's year-round climate.
- Avg daytime high
- 67°F
- 2nd-warmest season
- Avg overnight low
- 52°F
- Precipitation
- 10.9 in
- 25 wet days
- Avg wind
- 7 mph
- Travel score
- 5.8
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Lanham-Seabrook in Fall
Over the season highs ease from about 82°F in early September to 52°F by late November.
A typical fall day in Lanham-Seabrook reaches about 67°F and drops to 52°F overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Lanham-Seabrook
Once humidity and wind are folded in, fall brings about 0 days that feel above 90°F and 2 that feel at or below 32°F.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Lanham-Seabrook 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 (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 43° / 29° | 3.1 | 8.6 | 2.8 | 9.6 | 0.4 |
| Feb | 46° / 31° | 2.9 | 8.7 | 2.8 | 10.5 | 1.1 |
| Mar | 54° / 38° | 4.0 | 10.6 | 1.8 | 11.7 | 3.2 |
| Apr | 65° / 48° | 3.4 | 10.2 | 0.2 | 13 | 5.8 |
| May | 74° / 57° | 3.8 | 11 | 0 | 14.1 | 6.6 |
| Jun | 83° / 67° | 3.8 | 11.1 | 0 | 14.7 | 5.7 |
| Jul | 87° / 71° | 4.6 | 12.2 | 0 | 14.5 | 4.6 |
| Aug | 84° / 70° | 4.1 | 10.9 | 0 | 13.5 | 5.3 |
| Sep | 78° / 63° | 4.5 | 9.2 | 0 | 12.3 | 6.9 |
| Oct | 67° / 51° | 3.5 | 7.8 | 0 | 11 | 6.6 |
| Nov | 56° / 41° | 2.9 | 7.5 | 0.1 | 9.9 | 4.0 |
| Dec | 47° / 34° | 3.6 | 8.7 | 1.6 | 9.3 | 1.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 39% of the time across fall.
Chance of precipitation in Fall
Lanham-Seabrook gets around 10.9 in of rain and snow over 25 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 7 mph across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 54 min in early September to 9 h 30 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 3.4 kWh/m².
Hazard calendar for Lanham-Seabrook
In fall, Lanham-Seabrook overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Lanham-Seabrook sits in the Atlantic hurricane belt; the season peaks August–October.
Is fall a good time to visit Lanham-Seabrook?
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 reasonable time to visit Lanham-Seabrook for sightseeing.
What to pack for Lanham-Seabrook in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Lanham-Seabrook sees daytime highs around 67°F and nights near 52°F. Worth packing: light clothes, a warm layer and rain gear. About 25 days see rain.
Sea temperature near Lanham-Seabrook in Fall
The nearest coast averages about 64°F 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 26 mi away) is warmest in August at about 78°F and coldest in February near 37°F.
It's comfortable for a long swim from Jun 16 to Oct 6 — about 3.7 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 38 | 37 | 40 | 47 | 58 | 68 | 76 | 78 | 74 | 65 | 54 | 45 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Refreshing | Warm | Warm | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 38 | Bracing |
| Feb | 37 | Bracing |
| Mar | 40 | Bracing |
| Apr | 47 | Bracing |
| May | 58 | Bracing |
| Jun | 68 | Refreshing |
| Jul | 76 | Warm |
| Aug | 78 | Warm |
| Sep | 74 | Refreshing |
| Oct | 65 | Cool |
| Nov | 54 | Bracing |
| Dec | 45 | Bracing |
UV index in Lanham-Seabrook in Fall
Clear-sky midday UV across fall averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Lanham-Seabrook peaks around July 11 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 7 | 6 | 4 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | High | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | High |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Lanham-Seabrook in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Lanham-Seabrook is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 12 | 13 | 13 | 15 | 16 | 17 | 14 | 12 | 9 | 8 | 10 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 12 | Good |
| Mar | 13 | Moderate |
| Apr | 13 | Moderate |
| May | 15 | Moderate |
| Jun | 16 | Moderate |
| Jul | 17 | Moderate |
| Aug | 14 | Moderate |
| Sep | 12 | Good |
| Oct | 9 | Good |
| Nov | 8 | Good |
| Dec | 10 | Good |
Where is Lanham-Seabrook?
Lanham-Seabrook sits at 39.0°N, 76.9°W, 151 ft above sea level, in United States. The nearest listed city is Seabrook, 0.6 mi away.
Topography around Lanham-Seabrook
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Lanham-Seabrook.
Within 2 miles, the terrain around Lanham-Seabrook has only modest variations in elevation — a maximum elevation change of 203 ft around an average of 161 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 505 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,880 ft.
The land around Lanham-Seabrook is covered by trees (63%) and artificial surfaces (30%) within 2 miles, trees (66%) and artificial surfaces (21%) within 10 miles, and trees (56%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- 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 Lanham-Seabrook (38.9684°, -76.8511°, elevation 151 ft), 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.