September weather forecast
South Berwick, ME

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Weather in September

The first month of the autumn, September, is still a pleasant month in South Berwick, Maine, with an average temperature ranging between max 68.9°F (20.5°C) and min 55.6°F (13.1°C).

Temperature

South Berwick's transition into September involves a gentle shift in temperature, receding from a warm 75.7°F (24.3°C) in August to an agreeable 68.9°F (20.5°C). Throughout the September nights, South Berwick encounters a low-temperature of 55.6°F (13.1°C).

Humidity

The average relative humidity in September is 79%.

Rainfall

The month with the least rainfall is September, when the rain falls for 10.7 days and typically collects 1.26" (32mm) of precipitation.

Snowfall

In South Berwick, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 29min.
On the first day of September, sunrise is at 6:08 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:25 pm EDT.

Sunshine

In South Berwick, the average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What is the usual temperature for South Berwick in September?

The high-temperature, in September, in South Berwick, is 68.9°F (20.5°C), while the low-temperature averages to 55.6°F (13.1°C).

What is the average humidity in September?

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

What is the driest month?

September is the month with the least rainfall. Rain falls for 10.7 days and accumulates 1.26" (32mm) of precipitation.

How much does it rain in September?

In South Berwick, in September, it is raining for 10.7 days, with typically 1.26" (32mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in South Berwick in September?

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

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

The average day length in September is 12h and 29min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:08 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:25 pm EDT.

How many hours of sunshine does South Berwick have in September?

In South Berwick, the average sunshine duration in September is 8.6h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to 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 Berwick, ME

Average temperature in September - South Berwick, ME
  • Average high temperature in September: 68.9°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 (31.6°F).

  • Average low temperature in September: 55.6°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in September
South Berwick, ME

Average pressure in September - South Berwick, 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).

Average wind speed in September
South Berwick, ME

Average wind speed in September - South Berwick, ME
  • Average wind speed in September: 7.4mph

The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in September
South Berwick, ME

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

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

Average rainfall in September
South Berwick, ME

Average rainfall in September - South Berwick, ME
  • Average rainfall in September: 1.26"

The wettest months (with the highest rainfall) are June and December (2.13").
The driest month (with the least rainfall) is September (1.26").

Average rainfall days in September
South Berwick, ME

Average rainfall days in September - South Berwick, ME
  • Average rainfall days in September: 10.7 days

The month with the highest number of rainy days is July (14.6 days).
The months with the least rainy days are January and February (6.3 days).

Average snowfall in September
South Berwick, ME

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

The month with the highest snowfall is February (3.86").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
South Berwick, ME

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

The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in September
South Berwick, ME

Average sunshine days in September - South Berwick, ME
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in September
South Berwick, ME

Average UV index in September - South Berwick, 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).

Average cloud cover in September
South Berwick, ME

Average cloud cover in September - South Berwick, ME
  • Average cloud cover in September: 32

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
South Berwick, ME

Average visibility in September - South Berwick, 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).

South Berwick, Maine, USA

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