September weather forecastSaco, ME
September
Weather in September
As September starts, Saco, Maine, commences its transition from summer to fall. The days start to cool down, with temperatures dropping, but not below the mild and comfortable range. It stands out from the other months due to its reduced rainfall of only 1.34" (34mm). The decrease in daylight hours is compensated by the magical transformation of the city's landscape into a palette of autumn reds, oranges, and golds. September symbolizes a gentle changing of the seasons, where summer slowly fades, and the rich hues of fall start becoming apparent.Temperature
Saco's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 74.1°F (23.4°C) to a pleasant 68°F (20°C). Nighttime temperatures in Saco hover around an average low of 54.7°F (12.6°C) in September.Humidity
In September, the average relative humidity in Saco, Maine, is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 10.5 days and accumulates 1.34" (34mm) of precipitation.Snowfall
June through September are months without snowfall in Saco.Daylight
In Saco, Maine, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:06 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:24 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Saco is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Be vigilant - Preventing sunburn is recommended. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saco, ME
- Average high temperature in September: 68°F
The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Saco, 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
Saco, ME
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in September
Saco, 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 (75%).
Average rainfall in September
Saco, ME
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in September
Saco, ME
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Saco, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saco, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saco, 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 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in September
Saco, ME
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (12.9 days).
Average UV index in September
Saco, 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
Saco, ME
- 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 32).
Average visibility in September
Saco, 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).
