September weather forecastBiddeford Pool, ME
September
Weather in September
September, the first month of the autumn in Biddeford Pool, is also an enjoyable month, with an average temperature fluctuating between 66.9°F (19.4°C) and 56.1°F (13.4°C).Temperature
With the onset of September, Biddeford Pool's average high-temperature slightly adjusts, moderately receding from August's pleasant 72.9°F (22.7°C) to a comfortable 66.9°F (19.4°C). In September, the recorded average low-temperature is a still refreshing 56.1°F (13.4°C).Humidity
The average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 6.1 days and typically collects 0.2" (5mm) of precipitation.Snowfall
In Biddeford Pool, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:06 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:23 pm EDT.
Sunshine
In Biddeford Pool, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Biddeford Pool, ME
- Average high temperature in September: 66.9°F
The warmest month (with the highest average high temperature) is August (72.9°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in September
Biddeford Pool, 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
Biddeford Pool, ME
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in September
Biddeford Pool, ME
- Average humidity in September: 80%
The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in September
Biddeford Pool, ME
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in September
Biddeford Pool, ME
- Average rainfall days in September: 6.1 days
The month with the highest number of rainy days is July (8.8 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in September
Biddeford Pool, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Biddeford Pool, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.7 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
Biddeford Pool, 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 30min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in September
Biddeford Pool, ME
- Average sunshine days in September: 22.5 days
The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is July (19.4 days).
Average UV index in September
Biddeford Pool, ME
- Average UV index in September: 4
The month with the highest UV index is 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
Biddeford Pool, ME
- Average cloud cover in September: 33
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
Biddeford Pool, 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).





