September weather forecastOakland, ME
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Oakland, Maine, with an average temperature fluctuating between 48.9°F (9.4°C) and 68.9°F (20.5°C).Temperature
As August transitions into September, Oakland sees a gentle drop in the average high-temperature, transitioning from a moderately hot 76.5°F (24.7°C) to a pleasant 68.9°F (20.5°C). Throughout September, Oakland encounters an average temperature drop to a frosty 48.9°F (9.4°C).Humidity
In September, the average relative humidity is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 9.7 days and accumulates 1.54" (39mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:14 pm. On the last day of September, sunrise is at 6:36 am and sunset at 6:20 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In Oakland, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Make use of precautions - It is urged to ward off sun damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oakland, ME
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in September: 48.9°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in September
Oakland, ME
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Oakland, ME
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Oakland, ME
- Average humidity in September: 80%
The months with the highest relative humidity are February and March (85%).
The months with the lowest relative humidity are April and November (78%).
Average rainfall in September
Oakland, ME
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is April (3.03").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
Oakland, ME
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in September
Oakland, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Oakland, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Oakland, ME
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Oakland, ME
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is April (11.5 days).
Average UV index in September
Oakland, 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, October, November and December (UV index 2).
Average cloud cover in September
Oakland, ME
- Average cloud cover in September: 40
The months with the most cloud cover are February, March and April (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 40).
Average visibility in September
Oakland, ME
- Average visibility in September: 5mi
The months with the highest visibility are November and December (6mi).
The month with the lowest visibility is August (4mi).





