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 sea temperature 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
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a pleasant 72.9°F (22.7°C) in August to a comfortable 66.9°F (19.4°C). Throughout September, the temperature falls to an average low of 56.1°F (13.4°C).Humidity
In September, the average relative humidity is 80%.Rainfall
The month with the least rainfall in Old Orchard Beach is September, when the rain falls for 6.1 days and typically collects 0.2" (5mm) of precipitation.Snowfall
In Old Orchard Beach, snow does not fall in May through October.Ocean temperature
In Old Orchard Beach, the average seawater temperature in September is 60.4°F (15.8°C).Note: The majority find it unenjoyable to swim in 60.4°F (15.8°C). Breathing becomes tougher as the water temperature descends under 69.8°F (21°C).
Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:06 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:23 pm EDT.
Sunshine
In Old Orchard Beach, the average sunshine in September is 8.5h.UV index
In Old Orchard Beach, 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 radiation for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
How cold is the water in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Old Orchard Beach have in September?
What is the UV index intensity in September?
Average temperature in September
Old Orchard Beach, ME
- Average high temperature in September: 66.9°F
The warmest month (with the highest average high temperature) is August (72.9°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in September
Old Orchard Beach, ME
- Average pressure in September: 30.05"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Old Orchard Beach, ME
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in September
Old Orchard Beach, ME
- Average humidity in September: 80%
The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in September
Old Orchard Beach, ME
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in September
Old Orchard Beach, ME
- Average rainfall days in September: 6.1 days
The month with the highest number of rainy days is July (8.8 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in September
Old Orchard Beach, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Old Orchard Beach, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in September
Old Orchard Beach, ME
- Average sea temperature in September: 60.5°F
The best month for swimming (with the highest average sea temperature) is August (63.7°F).
The coldest month (with the lowest average sea temperature) is March (38°F).
Average daylight in September /
Average sunshine in September
Old Orchard Beach, ME
- Average daylight in September: 12h and 3min
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 3min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in September
Old Orchard Beach, ME
- Average sunshine days in September: 22.5 days
The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is July (19.4 days).
Average UV index in September
Old Orchard Beach, ME
- Average UV index in September: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Old Orchard Beach, ME
- Average cloud cover in September: 33
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Old Orchard Beach, 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).
Old Orchard Beach, Maine, USA
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