September weather forecastLimerick, ME

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Limerick, Maine, with an average temperature fluctuating between 69.3°F (20.7°C) and 52°F (11.1°C).

Temperature

The arrival of September corresponds with a light shift in temperature, down from a warm 76.6°F (24.8°C) in August to an agreeable 69.3°F (20.7°C). In Limerick, September's nights observe an average temperature dip to a fresh 52°F (11.1°C).

Humidity

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

Rainfall

The month with the least rainfall is September, when the rain falls for 11.2 days and typically collects 1.5" (38mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Limerick, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:07 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:25 pm EDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

In Limerick, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

Limerick in September has an average high-temperature of 69.3°F (20.7°C) and an average low-temperature of 52°F (11.1°C).

In September, the average relative humidity is 80%.

The month with the least rainfall is September, when the rain falls for 11.2 days and typically collects 1.5" (38mm) of precipitation.

In Limerick, in September, it is raining for 11.2 days, with typically 1.5" (38mm) of accumulated precipitation.

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

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

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

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 6:40 am and sunset at 6:25 pm EDT.

The average sunshine duration in September is 8.5h.

In Limerick, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Limerick, ME

  • Average high temperature in September: 69.3°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in September: 52°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16°F).

Average pressure in September
Limerick, 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 (29.91"Hg).

Average wind speed in September
Limerick, ME

  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

Average humidity in September
Limerick, ME

  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is November (76%).

Average rainfall in September
Limerick, ME

  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is October (3.35").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in September
Limerick, ME

  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in September
Limerick, ME

  • Average snowfall in September: 0"

The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Limerick, ME

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 8h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Limerick, ME

  • Average sunshine days in September: 16.8 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (13.3 days).

Average UV index in September
Limerick, ME

  • Average UV index in September: 4

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Limerick, ME

  • Average cloud cover in September: 34

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Limerick, ME

  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).