September weather forecast
Three Streams, ME

Share

Weather in September

The first month of the autumn, September, is also an enjoyable month in Three Streams, Maine, with an average temperature varying between 45.5°F (7.5°C) and 64.8°F (18.2°C).

Temperature

Transition into September subtly marks a drop in the average high-temperature, moderately moving from an agreeable 72°F (22.2°C) in August to a comfortable 64.8°F (18.2°C). Three Streams encounters an average low-temperature of 45.5°F (7.5°C) during September nights.

Humidity

In Three Streams, the average relative humidity in September is 81%.

Rainfall

In Three Streams, during September, the rain falls for 12.9 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, in Three Streams, there are 149.8 rainfall days, and 32.24" (819mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Three Streams, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:03 am and sunset at 7:18 pm. On the last day of September, in Three Streams, sunrise is at 6:38 am and sunset at 6:22 pm EDT.

Sunshine

In September, the average sunshine in Three Streams is 7.7h.

UV index

In Three Streams, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
[Resources]

Frequently asked questions

What is the usual temperature for Three Streams in September?

The high-temperature during September is 64.8°F (18.2°C) and the low-temperature is 45.5°F (7.5°C).

What is the average humidity in September in Three Streams?

In Three Streams, Maine, the average relative humidity in September is 81%.

How much does it rain in Three Streams in September?

In September, in Three Streams, the rain falls for 12.9 days. Throughout September, 2.28" (58mm) of precipitation is accumulated.

When it does not snow in Three Streams?

In Three Streams, Maine, snow does not fall in June through September.

Does it snow in Three Streams in September?

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

What is the average length of the day in September in Three Streams?

In Three Streams, Maine, the average day length in September is 12h and 31min.

What time are sunrise and sunset in September in Three Streams?

On the first day of September in Three Streams, Maine, sunrise is at 6:03 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:22 pm EDT.

How long on average sun shines in September in Three Streams?

In September, the average sunshine duration in Three Streams, Maine, is 7.7h.

How high is the UV index in September in Three Streams?

In Three Streams, the average daily maximum UV index in September is 3. A UV Index 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
Three Streams, ME

Average temperature in September - Three Streams, ME
  • Average high temperature in September: 64.8°F

The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in September: 45.5°F

The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is January (7°F).

[Resources]

Average pressure in September
Three Streams, ME

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

The month with the highest atmospheric pressure is November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

[Resources]

Average wind speed in September
Three Streams, ME

Average wind speed in September - Three Streams, ME
  • Average wind speed in September: 6.2mph

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

[Resources]

Average humidity in September
Three Streams, ME

Average humidity in September - Three Streams, ME
  • Average humidity in September: 81%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (76%).

[Resources]

Average rainfall in September
Three Streams, ME

Average rainfall in September - Three Streams, ME
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is February (2.17").

[Resources]

Average rainfall days in September
Three Streams, ME

Average rainfall days in September - Three Streams, ME
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is February (4.8 days).

[Resources]

Average snowfall in September
Three Streams, ME

Average snowfall in September - Three Streams, ME
  • Average snowfall in September: 0"

The month with the highest snowfall is February (14.29").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in September
Three Streams, ME

Average snowfall days in September - Three Streams, ME
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Three Streams, ME

Average daylight in September / Average sunshine in September - Three Streams, 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 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).

[Resources]

Average sunshine days in September
Three Streams, ME

Average sunshine days in September - Three Streams, ME
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (6.4 days).

[Resources]

Average UV index in September
Three Streams, ME

Average UV index in September - Three Streams, ME
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, March and December (UV index 1).

[Resources]

Average cloud cover in September
Three Streams, ME

Average cloud cover in September - Three Streams, ME
  • Average cloud cover in September: 45

The month with the most cloud cover is February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 43).

[Resources]

Average visibility in September
Three Streams, ME

Average visibility in September - Three Streams, ME
  • Average visibility in September: 4mi

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

[Resources]

Three Streams, Maine, USA

Weather forecast for your location

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