Temperature
Pleasant by day, mild at night.
78°Ftypical September high
Typical range
September climate
September in Long Beach Island
United States · Northeast US
Warm coastal days and plenty of sun.
One of the best months here
Mid to late
Daytime high
78°F
Lows around 64°F
Rain
Several rainy days
Sun
9.5 h/day
Air feel
Comfortable
Sea temp
72°F
Warm sea
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 9 wet days, fewer than in most months.
30%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
9.4 hSeptember sunshine
Heat & humidity by month
Warm days with mostly dry air.
LowSeptember Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 74° and nights feel near 65°.
FreezingVery coldColdCoolComfortableWarmHotNight hours
Clear sky
Partly cloudy skies this month.
47%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
8 mphSeptember Light breeze
Sea temperature
72°FSeptember sea temp
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 76°F, easing to about 71°F in early evening.
Avg temp Typical range
Morning70°F
Rain14%
Cloud52%
Humid airModerate
Sun intensityLow
Midday76°F
Rain17%
Cloud59%
Humid airModerate
Sun intensityStrong
Late afternoon76°F
Rain19%
Cloud59%
Humid airModerate
Sun intensityModerate
Early evening71°F
Rain12%
Cloud52%
Humid airModerate
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 43 | 30 | 3.3 | 10 | 6.6 | 65 | 42 |
| Feb | 46 | 32 | 3.3 | 9 | 7.4 | 64 | 39 |
| Mar | 53 | 37 | 4.0 | 10 | 8.3 | 62 | 40 |
| Apr | 63 | 47 | 3.5 | 11 | 9.4 | 62 | 45 |
| May | 72 | 56 | 3.3 | 11 | 10.4 | 67 | 54 |
| Jun | 81 | 66 | 3.6 | 11 | 11.4 | 67 | 66 |
| Jul | 86 | 71 | 3.9 | 12 | 11.9 | 68 | 75 |
| Aug | 84 | 70 | 4.4 | 12 | 10.9 | 70 | 76 |
| Sep | 78 | 64 | 3.6 | 9 | 9.4 | 72 | 72 |
| Oct | 67 | 53 | 4.0 | 9 | 8.1 | 69 | 64 |
| Nov | 57 | 42 | 2.9 | 8 | 7.0 | 65 | 56 |
| Dec | 48 | 35 | 4.0 | 10 | 6.1 | 67 | 48 |
Similar climates
Similar
Similar travel styleFire IslandUnited StatesSimilar travel styleMartha's VineyardUnited StatesSimilar travel styleNantucketUnited StatesSimilar travel styleCape MayUnited States
Want a side-by-side climate view? Compare Long Beach Island with Fire Island.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology