Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
September verdict
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 140mm, so some wet days are possible.
Monthly averages
Temp
31°C
Rain
140mm
Sun
0h
Sea
29°C
Weather score
65
Good
Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 140mm, so some wet days are possible.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Dry Tortugas National Park, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
September31°C average high
September is one of Dry Tortugas National Park's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to October
This stretch sets the upper range for average daytime heat.
September140mm average rain
September is one of Dry Tortugas National Park's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to May and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September0 hours average sun
September is close to Dry Tortugas National Park's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
September29°C average sea
September is one of Dry Tortugas National Park's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to October
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
September65 weather score
September is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsMarch to May
These months have the strongest weather score in the monthly averages.
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