September weather forecast
South Waterford, ME

Share

Weather in September

September, the first month of the autumn in South Waterford, is also an agreeable month, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 69.4°F (20.8°C).

Temperature

As September begins, there is a minor decrease in the average high-temperature, softly falling from a warm 77°F (25°C) in August to an agreeable 69.4°F (20.8°C). September nights observe an average temperature dip to a chilly 49.1°F (9.5°C).

Humidity

In South Waterford, Maine, the average relative humidity in September is 79%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 1.42" (36mm) of precipitation.

Snowfall

June through September are months without snowfall in South Waterford.

Daylight

The average length of the day in September is 12h and 30min.
On the first day of September in South Waterford, Maine, sunrise is at 6:06 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:24 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 3 during September morphs into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in South Waterford?

In South Waterford, in September, the average high-temperature is 69.4°F (20.8°C), and the average low-temperature is 49.1°F (9.5°C).

What is the average humidity in September in South Waterford?

In September, the average relative humidity is 79%.

What is the driest month in South Waterford?

September is the month with the least rainfall in South Waterford. Rain falls for 11.4 days and accumulates 1.42" (36mm) of precipitation.

How many days does it rain in September in South Waterford?

In South Waterford, in September, it is raining for 11.4 days, with typically 1.42" (36mm) of accumulated precipitation.

When it does not snow in South Waterford?

In South Waterford, snow does not fall in June through September.

Does it snow in South Waterford in September?

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

How many hours of daylight does South Waterford have in September?

In September, the average day length in South Waterford, Maine, is 12h and 30min.

What time are sunrise and sunset in September in South Waterford?

On the first day of September, sunrise is at 6:06 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:24 pm EDT.

How long on average sun shines in September in South Waterford?

The average sunshine duration in September is 8.5h.

What is the UV index intensity in September in South Waterford?

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
South Waterford, ME

Average temperature in September - South Waterford, ME
  • Average high temperature in September: 69.4°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25.9°F).

  • Average low temperature in September: 49.1°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
South Waterford, ME

Average pressure in September - South Waterford, ME
  • Average pressure in September: 30.05"Hg

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

Average wind speed in September
South Waterford, ME

Average wind speed in September - South Waterford, ME
  • Average wind speed in September: 4.7mph

The windiest months (with the highest average wind speed) are January, March and April (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in September
South Waterford, ME

Average humidity in September - South Waterford, ME
  • Average humidity in September: 79%

The months with the highest relative humidity are January, February and March (85%).
The month with the lowest relative humidity is November (76%).

Average rainfall in September
South Waterford, ME

Average rainfall in September - South Waterford, ME
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in September
South Waterford, ME

Average rainfall days in September - South Waterford, ME
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (7.7 days).

Average snowfall in September
South Waterford, ME

Average snowfall in September - South Waterford, ME
  • Average snowfall in September: 0"

The month with the highest snowfall is February (10.55").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
South Waterford, ME

Average snowfall days in September - South Waterford, ME
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
South Waterford, ME

Average daylight in September / Average sunshine in September - South Waterford, 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
South Waterford, ME

Average sunshine days in September - South Waterford, ME
  • Average sunshine days in September: 17 days

The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is April (12.3 days).

Average UV index in September
South Waterford, ME

Average UV index in September - South Waterford, ME
  • Average UV index in September: 3

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
South Waterford, ME

Average cloud cover in September - South Waterford, ME
  • Average cloud cover in September: 36

The months with the most cloud cover are February, March and April (Cloud cover 50).
The months with the least cloud cover are August and September (Cloud cover 36).

Average visibility in September
South Waterford, ME

Average visibility in September - South Waterford, ME
  • Average visibility in September: 5mi

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

South Waterford, Maine, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location