September weather forecast
Hebron, ME

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Weather in September

September, the first month of the autumn in Hebron, is also an agreeable month, with an average temperature varying between 50.2°F (10.1°C) and 69.8°F (21°C).

Temperature

September signals a slight drop in average high-temperature, sliding from August's moderately hot 76.6°F (24.8°C) to an agreeable 69.8°F (21°C). Hebron records a mean low-temperature of 50.2°F (10.1°C) in September.

Humidity

The average relative humidity in September is 79%.

Rainfall

September is the month with the least rainfall. Rain falls for 9 days and accumulates 0.91" (23mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Hebron, the average length of the day in September is 12h and 30min.
On the first day of September, sunrise is at 6:05 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:23 pm EDT.

Sunshine

In Hebron, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 4 during September leads to these advisories:
Undertake precautions - It is suggested to shield oneself from sunburn. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

During September, Hebron experiences an average high-temperature of 69.8°F (21°C) and a low-temperature of 50.2°F (10.1°C).

What is the average humidity in September?

In Hebron, the average relative humidity in September is 79%.

What is the driest month in Hebron?

September is the month with the least rainfall. Rain falls for 9 days and accumulates 0.91" (23mm) of precipitation.

How many days does it rain in September?

In September, in Hebron, the rain falls for 9 days. Throughout September, 0.91" (23mm) of precipitation is accumulated.

When it does not snow?

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

Does it snow in September?

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

How many hours of daylight does Hebron have in September?

The average day length in September in Hebron, Maine, is 12h and 30min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:05 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:23 pm EDT.

How many hours of sunshine does Hebron have in September?

The average sunshine duration in September is 8.5h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
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
Hebron, ME

Average temperature in September - Hebron, ME
  • Average high temperature in September: 69.8°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in September: 50.2°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

Average pressure in September
Hebron, ME

Average pressure in September - Hebron, ME
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Hebron, ME

Average wind speed in September - Hebron, ME
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in September
Hebron, ME

Average humidity in September - Hebron, ME
  • Average humidity in September: 79%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is November (76%).

Average rainfall in September
Hebron, ME

Average rainfall in September - Hebron, ME
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is September (0.91").

Average rainfall days in September
Hebron, ME

Average rainfall days in September - Hebron, ME
  • Average rainfall days in September: 9 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in September
Hebron, ME

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

The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Hebron, ME

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

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 3min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
Hebron, ME

Average sunshine days in September - Hebron, ME
  • Average sunshine days in September: 18.6 days

The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is July (13.8 days).

Average UV index in September
Hebron, ME

Average UV index in September - Hebron, 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
Hebron, ME

Average cloud cover in September - Hebron, ME
  • Average cloud cover in September: 35

The months with the most cloud cover are March and April (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 35).

Average visibility in September
Hebron, ME

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

The months with the highest visibility are January, November and December (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August, September and October (5mi).

Hebron, Maine, USA

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