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 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 marginally drops from a warm 78.6°F (25.9°C) in August to an agreeable 72.1°F (22.3°C). North Westport reports a consistent average low-temperature of 58.8°F (14.9°C) throughout September nights.Humidity
In North Westport, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 1.06" (27mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:11 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:27 pm EDT.
Sunshine
The average sunshine in September in North Westport is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
North Westport, MA
- Average high temperature in September: 72.1°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 (36°F).
- Average low temperature in September: 58.8°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
North Westport, MA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
North Westport, MA
- Average wind speed in September: 8.2mph
The windiest months (with the highest average wind speed) are January, February and March (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in September
North Westport, MA
- Average humidity in September: 78%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
North Westport, MA
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is October (1.97").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in September
North Westport, MA
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
North Westport, MA
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
North Westport, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
North Westport, 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 12min).
- Average sunshine in September: 8h and 5min
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 54min).
Average sunshine days in September
North Westport, MA
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is April (13.6 days).
Average UV index in September
North Westport, MA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in September
North Westport, MA
- Average cloud cover in September: 32
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
North Westport, 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).
North Westport, Massachusetts, USA
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