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 snowfall in September
- Average snowfall 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
September marks a gentle change in average high-temperature, declining from August's warm 78.4°F (25.8°C) to an agreeable 71.4°F (21.9°C). Nighttime temperatures hover around an average low of 58.1°F (14.5°C) in September.Humidity
The months with the highest humidity are February, June and September, with an average relative humidity of 77%.Rainfall
September is the month with the least rainfall. Rain falls for 11.7 days and accumulates 1.5" (38mm) of precipitation.Snowfall
In Hull, snow does not fall in May through October.Ocean temperature
In Hull, the average seawater temperature in September is 64°F (17.8°C).Note: In water with a temperature of 64°F (17.8°C), most people do not enjoy swimming. As the temperature descends from 69.8°F (21°C) to 59°F (15°C), breathing becomes increasingly difficult to control.
Daylight
In September, the average length of the day in Hull is 12h and 28min.On the first day of the month, sunrise is at 6:09 am and sunset at 7:17 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:26 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In Hull, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What is the average September temperature in Hull?
What is the most humid month in Hull?
What is the average humidity in September in Hull?
What is the driest month in Hull?
How much does it rain in Hull in September?
When it does not snow in Hull?
What is the ocean temperature in September in Hull?
How many hours of daylight does Hull have in September?
When are sunrise and sunset in September in Hull?
How many hours of sunshine does Hull have in September?
How high is the UV index in September in Hull?
Average temperature in September
Hull, MA
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Hull, MA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Hull, MA
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in September
Hull, MA
- Average humidity in September: 77%
The months with the highest relative humidity are February, June and September (77%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Hull, MA
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Hull, MA
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Hull, MA
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Hull, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in September
Hull, MA
- Average sea temperature in September: 64°F
The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).
Average daylight in September /
Average sunshine in September
Hull, MA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Hull, MA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in September
Hull, MA
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Hull, MA
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Hull, MA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Hull, Massachusetts, USA
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