September weather forecastCape Elizabeth, ME
September
Weather in September
September, the first month of the autumn in Cape Elizabeth, is also an enjoyable month, with temperature in the range of an average high of 66.4°F (19.1°C) and an average low of 56.3°F (13.5°C).Temperature
September witnesses a gentle descent in average high-temperature, descending from August's agreeable 72.3°F (22.4°C) to a comfortable 66.4°F (19.1°C). Throughout September, an average nighttime temperature of 56.3°F (13.5°C) is experienced in Cape Elizabeth.Humidity
In Cape Elizabeth, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.2 days and typically collects 1.18" (30mm) of precipitation.Snowfall
In Cape Elizabeth, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:05 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:23 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Cape Elizabeth, Maine, is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cape Elizabeth, ME
- Average high temperature in September: 66.4°F
The warmest month (with the highest average high temperature) is July (72.5°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Cape Elizabeth, ME
- Average pressure in September: 30.05"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Cape Elizabeth, ME
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in September
Cape Elizabeth, ME
- Average humidity in September: 79%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).
Average rainfall in September
Cape Elizabeth, ME
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is October (2.36").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in September
Cape Elizabeth, ME
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in September
Cape Elizabeth, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cape Elizabeth, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cape Elizabeth, ME
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Cape Elizabeth, ME
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in September
Cape Elizabeth, ME
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Cape Elizabeth, ME
- Average cloud cover in September: 31
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Cape Elizabeth, ME
- 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).





