September weather forecast
Bridgewater, ME

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Weather in September

The first month of the autumn, September, is still a refreshing month in Bridgewater, Maine, with an average temperature fluctuating between 65.3°F (18.5°C) and 46°F (7.8°C).

Temperature

September brings a minor shift in the average high-temperature, adjusting from a moderately hot 73.9°F (23.3°C) in August to an enjoyable 65.3°F (18.5°C). Nightly temperatures drop to an average low of 46°F (7.8°C) in September.

Humidity

The average relative humidity in September is 80%.

Rainfall

In Bridgewater, Maine, in September, it is raining for 13.7 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 144.3 rainfall days, and 32.13" (816mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Bridgewater, the average length of the day in September is 12h and 32min.
On the first day of September, sunrise is at 5:52 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 6:12 pm EDT.

Sunshine

In September, the average sunshine is 7.3h.

UV index

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 in September interprets into the following advice:
Guard yourself - Avoiding sunburn is suggested. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

In September, the average high-temperature and low-temperature are 65.3°F (18.5°C) and 46°F (7.8°C) respectively.

What is the average humidity in September?

In Bridgewater, the average relative humidity in September is 80%.

How much does it rain in September?

In Bridgewater, during September, the rain falls for 13.7 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When it does not snow?

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

Does it snow in September?

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

How many hours of daylight does Bridgewater have in September?

The average day length in September is 12h and 32min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 5:52 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 6:12 pm EDT.

How many hours of sunshine does Bridgewater have in September?

In September, the average sunshine duration is 7.3h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 3. 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bridgewater, ME

Average temperature in September - Bridgewater, ME
  • Average high temperature in September: 65.3°F

The warmest month (with the highest average high temperature) is July (75.2°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in September: 46°F

The month with the highest average low temperature is July (54.9°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

Average pressure in September
Bridgewater, ME

Average pressure in September - Bridgewater, ME
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is September (30.02"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in September
Bridgewater, ME

Average wind speed in September - Bridgewater, ME
  • Average wind speed in September: 6.9mph

The windiest months (with the highest average wind speed) are January, February and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in September
Bridgewater, ME

Average humidity in September - Bridgewater, ME
  • Average humidity in September: 80%

The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is May (75%).

Average rainfall in September
Bridgewater, ME

Average rainfall in September - Bridgewater, ME
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is February (2.2").

Average rainfall days in September
Bridgewater, ME

Average rainfall days in September - Bridgewater, ME
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.8 days).

Average snowfall in September
Bridgewater, ME

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

The month with the highest snowfall is January (15.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Bridgewater, ME

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

The month with the highest number of snowfall days is February (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 7h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 6min).

Average sunshine days in September
Bridgewater, ME

Average sunshine days in September - Bridgewater, ME
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.9 days).

Average UV index in September
Bridgewater, ME

Average UV index in September - Bridgewater, ME
  • Average UV index in September: 3

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

Average cloud cover in September
Bridgewater, ME

Average cloud cover in September - Bridgewater, ME
  • Average cloud cover in September: 45

The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 43).

Average visibility in September
Bridgewater, ME

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

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

Bridgewater, Maine, USA

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