Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In September, the average high-temperature is practically the same as in August - a still moderately hot 27°C (80.6°F). In September, the average low-temperature is 26.1°C (79°F).Heat index
In September, the average heat index is computed to be 29°C (84.2°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like metabolic differences, wind, pregnancy, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The average relative humidity in September is 76%.Rainfall
In Hamilton, in September, during 20.3 rainfall days, 89mm (3.5") of precipitation is typically accumulated. In Hamilton, during the entire year, the rain falls for 201.7 days and collects up to 804mm (31.65") of precipitation.Sea temperature
The months with the warmest seawater in Hamilton are August and September, with an average sea temperature of 27.8°C (82°F).Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
Daylight
In Hamilton, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 06:54 and sunset at 19:43. On the last day of the month, sunrise is at 07:12 and sunset at 19:05 ADT.
Sunshine
The average sunshine in September in Hamilton is 9.4h.UV index
June through September, with an average maximum UV index of 7, are months with the highest UV index in Hamilton. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
FAQ
What is the temperature in September in Hamilton?
What is the average humidity in September in Hamilton?
How much does it rain in Hamilton in September?
What are the months with the warmest sea water in Hamilton?
What is the sea water temperature in September in Hamilton?
What is the average length of the day in September in Hamilton?
What time are sunrise and sunset in September in Hamilton?
How many hours of sunshine does Hamilton have in September?
When is the highest UV index in Hamilton?
What is the UV index reading in September in Hamilton?
Average temperature in September
Hamilton, Bermuda
- Average high temperature in September: 27°C
The warmest month (with the highest average high temperature) is August (27.9°C).
The month with the lowest average high temperature is March (18.9°C).
- Average low temperature in September: 26.1°C
The month with the highest average low temperature is August (26.8°C).
The coldest month (with the lowest average low temperature) is March (16.9°C).
Average pressure in September
Hamilton, Bermuda
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is October (1016.6mbar).
Average wind speed in September
Hamilton, Bermuda
- Average wind speed in September: 19.6km/h
The windiest month (with the highest average wind speed) is February (29.4km/h).
The calmest month (with the lowest average wind speed) is August (17.2km/h).
Average humidity in September
Hamilton, Bermuda
- Average humidity in September: 76%
The month with the highest relative humidity is June (82%).
The months with the lowest relative humidity are January, November and December (74%).
Average rainfall in September
Hamilton, Bermuda
- Average rainfall in September: 89mm
The wettest month (with the highest rainfall) is August (93mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in September
Hamilton, Bermuda
- Average rainfall days in September: 20.3 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is May (11.9 days).
Average sea temperature in September
Hamilton, Bermuda
- Average sea temperature in September: 27.8°C
The best months for swimming (with the highest average sea temperature) are August and September (27.8°C).
The coldest month (with the lowest average sea temperature) is March (19.2°C).
Average daylight in September /
Average sunshine in September
Hamilton, Bermuda
- Average daylight in September: 12h and 22min
The month with the longest days is June (Average daylight: 14h and 14min).
The month with the shortest days is December (Average daylight: 10h and 4min).
- Average sunshine in September: 9h and 24min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Hamilton, Bermuda
- Average sunshine days in September: 8 days
The month with the most sunshine days is May (16.6 days).
The month with the least sunshine days is August (7.3 days).
Average UV index in September
Hamilton, Bermuda
- Average UV index in September: 7
The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 5).
Average cloud cover in September
Hamilton, Bermuda
- Average cloud cover in September: 34
The months with the most cloud cover are January and February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Hamilton, Bermuda
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Weather forecast for your location
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