September weather forecastPembroke, ME
September
Weather in September
September, the first month of the autumn in Pembroke, is still a comfortable month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 63.5°F (17.5°C).Temperature
Pembroke indicates an average high-temperature of a still comfortable 63.5°F (17.5°C) in September, showing minor variation from August's 67.8°F (19.9°C). September's average low temperature is a fresh 54.5°F (12.5°C), displaying a subtle drop from its daily peak.Humidity
In September, the average relative humidity in Pembroke is 80%.Rainfall
In Pembroke, in September, it is raining for 11 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, there are 143.2 rainfall days, and 29.37" (746mm) of precipitation is accumulated.Snowfall
In Pembroke, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 5:51 am and sunset at 7:05 pm. On the last day of September, sunrise is at 6:26 am and sunset at 6:10 pm EDT.
Sunshine
In September, the average sunshine is 7.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pembroke, ME
- Average high temperature in September: 63.5°F
The warmest month (with the highest average high temperature) is August (67.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is August (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Pembroke, ME
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Pembroke, ME
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in September
Pembroke, ME
- Average humidity in September: 80%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is November (77%).
Average rainfall in September
Pembroke, ME
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is August (1.65").
Average rainfall days in September
Pembroke, ME
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in September
Pembroke, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Pembroke, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 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
Pembroke, ME
- Average daylight in September: 12h and 30min
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 48min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Pembroke, ME
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Pembroke, ME
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Pembroke, ME
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Pembroke, 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).
