Weather in Koolbaai in september
Climate normals based on 10 years of historical data for Koolbaai, Sint Maarten.
Average high
28°C
Average low
26°C
Rainfall
141 mm
16 rainy days
Sunshine
1.8h/day
Niiskus
76%
How Hot Is Koolbaai in september?
Koolbaai's September is uniformly hot: 28°C to 26°C, narrow daily range.
Sunshine Hours in september
Persistent cloud limits Koolbaai to about 1.8h of sun a day in September.
Does It Rain In Koolbaai In september?
September is one of the wetter months in Koolbaai: 141mm of rain across 16 days, with rain on most days.
Is Koolbaai Humid In september?
Tropical-style humidity defines Koolbaai's September: 76% on average, with constant mugginess.
Wind In Koolbaai In september
Sea breeze or thermal winds keep Koolbaai moving at 27 kph in September.
Cloud Cover In Koolbaai In september
Cloudy skies dominate Koolbaai in September — averaging 73% cloud cover.
Cities With Similar Weather In september
Weather in Koolbaai, month by month
| Month | High / Low | Vihm | |
|---|---|---|---|
| Jaanuari ilm | 26°C / 24°C | 35mm | Details → |
| Veebruari ilm | 25°C / 24°C | 44mm | Details → |
| Märtsi ilm | 25°C / 24°C | 22mm | Details → |
| Aprilli ilm | 26°C / 24°C | 39mm | Details → |
| Mai ilm | 27°C / 25°C | 49mm | Details → |
| Juuni ilm | 27°C / 26°C | 49mm | Details → |
| Juuli ilm | 28°C / 26°C | 73mm | Details → |
| Augusti ilm | 28°C / 26°C | 95mm | Details → |
| Septembri ilm | 28°C / 26°C | 141mm | |
| Oktoobri ilm | 28°C / 26°C | 120mm | Details → |
| Novembri ilm | 27°C / 25°C | 139mm | Details → |
| Detsembri ilm | 26°C / 25°C | 44mm | Details → |