September weather forecast
Kittery, ME

Weather in September

The first month of the autumn, September, is still a pleasant month in Kittery, Maine, with an average temperature varying between 56.1°F (13.4°C) and 69.1°F (20.6°C).

Temperature

In Kittery, the average high-temperature in September slightly decreases from a warm 75.7°F (24.3°C) in August to an agreeable 69.1°F (20.6°C). In Kittery, Maine, the average low-temperature is 56.1°F (13.4°C).

Humidity

The average relative humidity in September is 79%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.3 days and typically collects 1.54" (39mm) of precipitation.

Snowfall

In Kittery, snow does not fall in May through September.

Ocean temperature

In Kittery, the average seawater temperature in September is 61.9°F (16.6°C).
Note: Swimming in 61.9°F (16.6°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

In Kittery, Maine, the average length of the day in September is 12h and 29min.
On the first day of September in Kittery, Maine, sunrise is at 6:07 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:26 pm EDT.

Sunshine

In September, the average sunshine in Kittery is 8.6h.

UV index

In Kittery, the average daily maximum UV index in September 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 daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against 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.
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FAQ

What is the temperature in September in Kittery?

In September, the average high-temperature is 69.1°F (20.6°C), and the average low-temperature is 56.1°F (13.4°C).

What is the average humidity in September in Kittery?

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

What is the driest month in Kittery?

The month with the least rainfall in Kittery, Maine, is September, when the rain falls for 11.3 days and typically collects 1.54" (39mm) of precipitation.

How much does it rain in Kittery in September?

In September, in Kittery, the rain falls for 11.3 days. Throughout September, 1.54" (39mm) of precipitation is accumulated.

When it does not snow in Kittery?

In Kittery, Maine, snow does not fall in May through September.

Does it snow in Kittery in September?

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

What is the ocean temperature in September in Kittery?

In Kittery, Maine, the average seawater temperature in September is 61.9°F (16.6°C). For most, swimming in 61.9°F (16.6°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

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

In Kittery, Maine, the average day length in September is 12h and 29min.

What time are sunrise and sunset in September in Kittery?

In September, on the first day of the month, sunrise is at 6:07 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:26 pm EDT.

How long on average sun shines in September in Kittery?

The average sunshine duration in September in Kittery, Maine, is 8.6h.

What is the UV index intensity in September in Kittery?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Kittery, ME

Average temperature in September - Kittery, ME
  • Average high temperature in September: 69.1°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in September: 56.1°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

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Average pressure in September
Kittery, ME

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

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in September
Kittery, ME

Average wind speed in September - Kittery, ME
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in September
Kittery, ME

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

The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are April and November (75%).

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Average rainfall in September
Kittery, ME

Average rainfall in September - Kittery, ME
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in September
Kittery, ME

Average rainfall days in September - Kittery, ME
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in September
Kittery, ME

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

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Kittery, ME

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

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in September
Kittery, ME

Average sea temperature in September - Kittery, ME
  • Average sea temperature in September: 61.9°F

The best month for swimming (with the highest average sea temperature) is August (65.6°F).
The coldest month (with the lowest average sea temperature) is March (38.5°F).

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

Average daylight in September / Average sunshine in September - Kittery, ME
  • Average daylight in September: 12h and 29min

The month with the longest days is June (Average daylight: 15h and 19min).
The month with the shortest days is December (Average daylight: 9h and 4min).

  • Average sunshine in September: 8h and 36min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in September
Kittery, ME

Average sunshine days in September - Kittery, ME
  • Average sunshine days in September: 16.8 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in September
Kittery, ME

Average UV index in September - Kittery, ME
  • Average UV index in September: 4

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Kittery, ME

Average cloud cover in September - Kittery, ME
  • Average cloud cover in September: 33

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in September
Kittery, ME

Average visibility in September - Kittery, ME
  • Average visibility in September: 6mi

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

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