September weather forecast
Vanceboro, ME

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Weather in September

The first month of the autumn, September, is also an enjoyable month in Vanceboro, Maine, with temperature in the range of an average high of 67.5°F (19.7°C) and an average low of 47.5°F (8.6°C).

Temperature

The transition into September subtly indicates a reduction in the average high-temperature, down to a refreshing 67.5°F (19.7°C) from August's moderately hot 75.4°F (24.1°C). In Vanceboro, the average temperature during the nights of September drops to a frosty 47.5°F (8.6°C).

Humidity

The average relative humidity in September is 80%.

Rainfall

In Vanceboro, in September, during 12.9 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 144.3 rainfall days, and 33.35" (847mm) of precipitation is accumulated.

Snowfall

In Vanceboro, snow does not fall in June through September.

Daylight

In Vanceboro, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:51 am and sunset at 8:07 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:11 pm ADT.

Sunshine

The average sunshine in September is 7.4h.

UV index

In Vanceboro, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: During September, 4 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

An average high-temperature, in September, in Vanceboro, is 67.5°F (19.7°C) and the average low-temperature is 47.5°F (8.6°C).

What is the average humidity in September?

In Vanceboro, the average relative humidity in September is 80%.

How many days does it rain in September?

In Vanceboro, in September, during 12.9 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow in Vanceboro?

In Vanceboro, snow does not fall in June through September.

Does it snow in September?

In Vanceboro, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

The average day length in September is 12h and 31min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:51 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:11 pm ADT.

How many hours of sunshine does Vanceboro have in September?

In September, the average sunshine duration is 7.4h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Vanceboro, ME

Average temperature in September - Vanceboro, ME
  • Average high temperature in September: 67.5°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in September: 47.5°F

The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average pressure in September
Vanceboro, ME

Average pressure in September - Vanceboro, ME
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in September
Vanceboro, ME

Average wind speed in September - Vanceboro, ME
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in September
Vanceboro, ME

Average humidity in September - Vanceboro, ME
  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (77%).

Average rainfall in September
Vanceboro, ME

Average rainfall in September - Vanceboro, ME
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is July (2.05").

Average rainfall days in September
Vanceboro, ME

Average rainfall days in September - Vanceboro, ME
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (5.5 days).

Average snowfall in September
Vanceboro, ME

Average snowfall in September - Vanceboro, ME
  • Average snowfall in September: 0"

The month with the highest snowfall is February (11.77").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Vanceboro, ME

Average snowfall days in September - Vanceboro, ME
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Vanceboro, ME

Average daylight in September / Average sunshine in September - Vanceboro, ME
  • Average daylight in September: 12h and 3min

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 2min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).

Average sunshine days in September
Vanceboro, ME

Average sunshine days in September - Vanceboro, ME
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is February (9.8 days).

Average UV index in September
Vanceboro, ME

Average UV index in September - Vanceboro, 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 February and December (UV index 1).

Average cloud cover in September
Vanceboro, ME

Average cloud cover in September - Vanceboro, ME
  • Average cloud cover in September: 45

The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 44).

Average visibility in September
Vanceboro, ME

Average visibility in September - Vanceboro, ME
  • Average visibility in September: 5mi

The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).

Vanceboro, Maine, USA

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