Augusta
Maine, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Augusta, ME

 Beautiful view of the water and skyline in Augusta, Maine, with trees and mountains in the distance
Beautiful view of the water and skyline in Augusta, Maine, with trees and mountains in the distance
September, the first month of the autumn, in Augusta, is also an agreeable month, with average temperature varying between 50.5°F (10.3°C) and 69.6°F (20.9°C).

Temperature

In September, the average high-temperature slightly decreases, from a warm 78.1°F (25.6°C) in August, to an agreeable 69.6°F (20.9°C). The average low-temperature, in September, is 50.5°F (10.3°C).

Rainfall

In Augusta, in September, during 10.2 rainfall days, 3.7" (95mm) of precipitation is typically accumulated. In Augusta, during the entire year, the rain falls for 135.4 days and collects up to 41.8" (1062.4mm) of precipitation.

Snowfall

In Augusta snow does not fall in May through September.

Daylight

The average length of the day in Augusta, Maine, is 12.5h.

Sunshine

The average sunshine in Augusta is 7h.

UV index

In September, the average daily maximum UV index in Augusta is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the temperature in September in Augusta?

In September, in Augusta, Maine, the average high-temperature is 69.6°F (20.9°C), and the average low-temperature is 50.5°F (10.3°C).

How many days does it rain in September in Augusta?

In Augusta, during September, the rain falls for 10.2 days and regularly aggregates up to 3.7" (95mm) of precipitation.

Does it snow in Augusta in September?

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

When it does not snow in Augusta?

May through September are months without snowfall in Augusta.

What is the average length of the day in September in Augusta?

In September, the average length of the day is 12.5h.

How many hours of sunshine does Augusta have in September?

In Augusta, the average sunshine in September is 7h.

What is the UV index intensity in September in Augusta?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Augusta, ME
  • Average high temperature in September: 69.6°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (27.6°F).

  • Average low temperature in September: 50.5°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (11°F).

Average rainfall in September - Augusta, ME
  • Average rainfall in September: 3.7"

Wettest months (with the highest rainfall) are October and November (4.4").
The driest month (with the lowest rainfall) is February (2.4").

Average rainfall days in September - Augusta, ME
  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is May (13.5 days).
The month with the lowest number of rainy days is February (9.1 days).

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

The month with the highest snowfall is January (20").
Months with the lowest snowfall are May, June, July, August and September (0").

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

The month with the highest number of snowfall days is January (8.6 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Augusta, ME
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).

  • Average sunshine in September: 7h

Months with most sunshine are June, July and August (Average sunshine: 8h).
Months with least sunshine are January, November and December (Average sunshine: 4).

Average UV index in September - Augusta, ME
  • Average UV index in September: 5

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).