Hamilton, Bermuda weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: February – September, November – December
What is the weather like in Hamilton, Bermuda in September?
In September, Hamilton, Bermuda is warm: daytime highs average 27 °C, and even at night it stays warm at around 25 °C. The sea averages 27.5 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. It rains often – on about 14 days, adding up to 144 mm. The air is often humid and muggy. All in all, September is a good month for a holiday in Hamilton, Bermuda.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 68 | 71 | 67 |
| Day | 27° | 27° | 25° |
| Night | 26° | 25° | 23° |
| Sea | 28° | 28° | 26° |
| Sun | 8 h | 7 h | 6 h |
| Rain days | 17 | 14 | 14 |
More details for September
- Daylight
- 12 h 25 min07:02 – 19:27
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 28 daysdew point 18 °C or moreAll months
- Wind
- 28 km/haverage daily peakAll months
- Cloud cover
- 57 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−3Atlantic/Bermuda
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %67 %
- Few rainy daysweight 30 %26 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Hamilton, Bermuda in September: quick answers
Is Hamilton, Bermuda hot in September?
Warm rather than hot: in September, daytime highs in Hamilton, Bermuda average 27 °C and nights cool to about 25 °C.
Can you swim in Hamilton, Bermuda in September?
Yes. In September the sea averages 27.5 °C – lovely and warm for swimming.
Does it rain much in Hamilton, Bermuda in September?
It rains often – on about 14 days, adding up to 144 mm.
Hamilton, Bermuda month by month
The whole year in Hamilton, BermudaAll destinations: BermudaWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences