September weather forecastMachiasport, ME
September
Weather in September
September, the first month of the autumn in Machiasport, is still a comfortable month, with an average temperature fluctuating between 63.5°F (17.5°C) and 54.5°F (12.5°C).Temperature
As Machiasport steps into September, the average high-temperature holds at a still enjoyable 63.5°F (17.5°C), hinting at a minor fluctuation from the prior month. Machiasport observes an average low-temperature of 54.5°F (12.5°C) during the slightly cooler nights of September.Humidity
In Machiasport, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 11 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. In Machiasport, during the entire year, the rain falls for 143.2 days and collects up to 29.37" (746mm) of precipitation.Snowfall
In Machiasport, snow does not fall in May through September.Ocean temperature
In Machiasport, in September, the average water temperature is 55.9°F (13.3°C).Note: Entering waters of 55.9°F (13.3°C) is life-endangering. A mere moment in 55.4°F (13°C) waters feels piercing cold, and below 50°F (10°C) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.
Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 5:52 am and sunset at 7:05 pm. On the last day of September, sunrise is at 6:27 am and sunset at 6:11 pm EDT.
Sunshine
The average sunshine in September 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 unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Machiasport, 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
Machiasport, 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
Machiasport, 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
Machiasport, 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
Machiasport, 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
Machiasport, 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
Machiasport, 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
Machiasport, 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 sea temperature in September
Machiasport, ME
- Average sea temperature in September: 55.9°F
The best month for swimming (with the highest average sea temperature) is August (56.1°F).
The coldest month (with the lowest average sea temperature) is March (38.2°F).
Average daylight in September /
Average sunshine in September
Machiasport, ME
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- 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
Machiasport, 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
Machiasport, 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
Machiasport, 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
Machiasport, 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).
