Temperature
Warm by day, warm at night.
83°Ftypical September high
Typical range
September climate
September in Kwajalein
Marshall Islands · Rālik
Humid air is the main limitation.
Wet but workable
Daytime high
83°F
Lows around 80°F
Rain
Rain most days
Sun
10 h/day
Air feel
Very humid
Sea temp
85°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days. About 26 wet days this month.
87%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
10.2 hSeptember sunshine
Heat & humidity by month
Very humid air is a major factor this month.
53%September Heat feel
Humid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 86° and nights feel near 85°.
WarmHotNight hours
Clear sky
Mostly cloudy skies this month.
31%September Clear sky
Clear skyCloud
Wind pattern
September's typical breeze keeps the air from feeling as stagnant.
10 mphSeptember Breezy
Sea temperature
85°FSeptember sea temp
More detailIncludes daypart comfort
Typical September day
September stays around 81°F through the day and night.
Avg temp Typical range
Morning81°F
Feels 85°F
Rain52%
Cloud74%
Humid airVery high
Sun intensityModerate
Midday81°F
Feels 86°F
Rain48%
Cloud70%
Humid airVery high
Sun intensityStrong
Late afternoon81°F
Feels 86°F
Rain47%
Cloud72%
Humid airVery high
Sun intensityModerate
Early evening81°F
Feels 86°F
Rain49%
Cloud74%
Humid airVery high
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 | 82 | 80 | 2.6 | 14 | 11.0 | 79 | 83 |
| Feb | 82 | 80 | 3.0 | 15 | 11.3 | 80 | 83 |
| Mar | 82 | 80 | 5.4 | 20 | 11.4 | 81 | 83 |
| Apr | 82 | 79 | 6.6 | 22 | 11.1 | 82 | 83 |
| May | 82 | 80 | 10.8 | 26 | 10.9 | 83 | 84 |
| Jun | 83 | 80 | 7.8 | 24 | 10.9 | 83 | 84 |
| Jul | 83 | 80 | 12.3 | 27 | 10.5 | 83 | 85 |
| Aug | 83 | 80 | 10.3 | 28 | 10.4 | 83 | 85 |
| Sep | 83 | 80 | 10.6 | 26 | 10.2 | 83 | 85 |
| Oct | 83 | 80 | 12.7 | 27 | 9.5 | 83 | 85 |
| Nov | 83 | 80 | 11.8 | 27 | 9.8 | 83 | 85 |
| Dec | 82 | 80 | 4.3 | 19 | 10.4 | 81 | 84 |
Similar climates
Similar
Similar travel styleKhao LakThailandSimilar travel stylePlacenciaBelizeSimilar travel styleSavusavuFijiSimilar travel styleKororPalau
Want a side-by-side climate view? Compare Kwajalein with Khao Lak.
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