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
The transition into September indicates a reduction in the average high-temperature, down to a comfortable 63.7°F (17.6°C) from August's agreeable 73°F (22.8°C). Wallagrass records an average low-temperature of 45.1°F (7.3°C) throughout the month of September.Humidity
The average relative humidity in September in Wallagrass is 80%.Rainfall
In Wallagrass, Maine, during September, the rain falls for 13.4 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Wallagrass, there are 142 rainfall days, and 30.35" (771mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Wallagrass.Daylight
In September, the average length of the day is 12h and 33min.On the first day of the month, sunrise is at 5:54 am and sunset at 7:13 pm. On the last day of September, in Wallagrass, sunrise is at 6:32 am and sunset at 6:15 pm EDT.
Sunshine
The average sunshine in September in Wallagrass is 7.4h.UV index
The average daily maximum UV index in September in Wallagrass is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Wallagrass?
What is the average humidity in September in Wallagrass?
How many days does it rain in September in Wallagrass?
When it does not snow in Wallagrass?
Does it snow in Wallagrass in September?
How many hours of daylight does Wallagrass have in September?
When is the sunrise / sunset in September in Wallagrass?
How long on average sun shines in September in Wallagrass?
What is the UV index reading in September in Wallagrass?
Average temperature in September
Wallagrass, ME
- Average high temperature in September: 63.7°F
The warmest month (with the highest average high temperature) is July (74.3°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in September: 45.1°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is January (2.8°F).
Average pressure in September
Wallagrass, ME
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are March, September and November (30.01"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Wallagrass, ME
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in September
Wallagrass, ME
- Average humidity in September: 80%
The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Wallagrass, ME
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is October (2.91").
The driest month (with the least rainfall) is February (2.09").
Average rainfall days in September
Wallagrass, ME
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (16.7 days).
The months with the least rainy days are January and February (4.8 days).
Average snowfall in September
Wallagrass, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (14.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Wallagrass, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wallagrass, ME
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 12min).
Average sunshine days in September
Wallagrass, ME
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is March (8 days).
Average UV index in September
Wallagrass, ME
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Wallagrass, ME
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in September
Wallagrass, ME
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Wallagrass, Maine, USA
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