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

September weather forecast and climate
Bethel, ME

A wooden closed bridge in Bethel, Maine, with beautiful yellow and green trees on both sides, on a warm, clear, and cool day in the fall
A wooden closed bridge in Bethel, Maine, with beautiful yellow and green trees on both sides, on a warm, clear, and cool day in the fall
The first month of the autumn, September, is still a pleasant month in Bethel, Maine, with average temperature ranging between max 68°F (20°C) and min 44.6°F (7°C).

Temperature

In Bethel, the average high-temperature decreases, from a moderately hot 77°F (25°C) in August, to an agreeable 68°F (20°C). The average low-temperature, in September, is 44.6°F (7°C).

Rainfall

In Bethel, Maine, in September, during 10 rainfall days, 3.3" (84mm) of precipitation is typically accumulated. In Bethel, during the entire year, the rain falls for 141 days and collects up to 43.1" (1094mm) of precipitation.

Daylight

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

Sunshine

In Bethel, the average sunshine in September is 6h.

UV index

In Bethel, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Bethel?

In September, in Bethel, the average high-temperature is 68°F (20°C), and the average low-temperature is 44.6°F (7°C).

How much does it rain in Bethel in September?

In Bethel, Maine, in September, during 10 rainfall days, 3.3" (84mm) of precipitation is typically accumulated.

How many hours of daylight does Bethel have in September?

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

How many hours of sunshine does Bethel have in September?

The average sunshine in September in Bethel, Maine, is 6h.

How high is the UV index in September in Bethel?

In September, the average daily maximum UV index in Bethel is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Bethel, ME
  • Average high temperature in September: 68°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in September: 45°F

The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (3°F).

Average rainfall in September - Bethel, ME
  • Average rainfall in September: 3.3"

The wettest month (with the highest rainfall) is November (4.4").
The driest month (with the lowest rainfall) is February (2.8").

Average rainfall days in September - Bethel, ME
  • Average rainfall days in September: 10 days

Months with the highest number of rainy days are May, November and December (13 days).
Months with the lowest number of rainy days are February and September (10 days).

Average daylight in September / Average sunshine in September - Bethel, 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: 6h

Months with most sunshine are June, July and August (Average sunshine: 8h).
Months with least sunshine are November and December (Average sunshine: 3).

Average UV index in September - Bethel, 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).