Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Machias, Maine, transitions into September recording an average high-temperature of a still enjoyable 63.5°F (17.5°C), closely aligning with the preceding month's temperature. Nights in September showcase an average temperature of 54.5°F (12.5°C), slightly cooler than the daytime.Humidity
In September, the average relative humidity in Machias is 80%.Rainfall
In Machias, during September, the rain falls for 11 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, there are 143.2 rainfall days, and 29.37" (746mm) of precipitation is accumulated.Snowfall
In Machias, snow does not fall in May through September.Daylight
In Machias, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 5:53 am and sunset at 7:06 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 estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What are the temperatures in Machias in September?
What is the average humidity in September in Machias?
How much does it rain in Machias in September?
When it does not snow in Machias?
Does it snow in Machias in September?
What is the average length of the day in September in Machias?
When are sunrise and sunset in September in Machias?
How long on average sun shines in September in Machias?
What is the UV index intensity in September in Machias?
Average temperature in September
Machias, 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
Machias, 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
Machias, 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
Machias, 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
Machias, 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
Machias, 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
Machias, 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
Machias, 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
Machias, ME
- Average daylight in September: 12h and 3min
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 5min
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
Machias, 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
Machias, 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
Machias, 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
Machias, 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).
Machias, Maine, USA
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