September weather forecastAttean Landing, ME
September
Weather in September
September, the first month of the autumn in Attean Landing, is still a comfortable month, with an average temperature fluctuating between 45.5°F (7.5°C) and 64.8°F (18.2°C).Temperature
In Attean Landing, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's agreeable 72°F (22.2°C) to an enjoyable 64.8°F (18.2°C). Attean Landing, during September, witnesses an average low-temperature of 45.5°F (7.5°C).Humidity
In Attean Landing, Maine, the average relative humidity in September is 81%.Rainfall
In Attean Landing, in September, it is raining for 12.9 days, with typically 2.28" (58mm) of accumulated precipitation. In Attean Landing, during the entire year, the rain falls for 149.8 days and collects up to 32.24" (819mm) of precipitation.Snowfall
In Attean Landing, snow does not fall in June through September.Daylight
In September, the average length of the day in Attean Landing is 12h and 31min.On the first day of September in Attean Landing, sunrise is at 6:03 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:22 pm EDT.
Sunshine
In September, the average sunshine in Attean Landing, Maine, is 7.7h.UV index
The average daily maximum UV index in September in Attean Landing is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 during September leads to these advisories:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Attean Landing, ME
- Average high temperature in September: 64.8°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in September: 45.5°F
The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in September
Attean Landing, ME
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Attean Landing, ME
- Average wind speed in September: 6.2mph
The windiest months (with the highest average wind speed) are February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Attean Landing, ME
- Average humidity in September: 81%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Attean Landing, ME
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is February (2.17").
Average rainfall days in September
Attean Landing, ME
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Attean Landing, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (14.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Attean Landing, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Attean Landing, ME
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 7h and 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in September
Attean Landing, ME
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in September
Attean Landing, ME
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, March and December (UV index 1).
Average cloud cover in September
Attean Landing, ME
- Average cloud cover in September: 45
The month with the most cloud cover is February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in September
Attean Landing, ME
- Average visibility in September: 4mi
The months with the highest visibility are May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, March, April, August, September and December (4mi).





