Glennallen Weather in September
September in Glennallen averages 12°C (54°F) during the day and 4°C (39°F) at night. It is the wettest month of the year, with 69 mm (2.7 in) of rainfall on average, so waterproof gear is a must.
Rainfall in Glennallen in September
During the wettest month of the year, an umbrella can be your best friend to stay dry. Looking at the last 30 years, the data shows about 11 days with rain, averaging 69 mm (2.7 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Glennallen in September
Daytime highs in Glennallen in September reach 12°C (54°F), with nights around 4°C (39°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Wind Speed in Glennallen in September
September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Glennallen.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Glennallen's climate page.
Glennallen Temperature in September
Min Temperature
4°C (39°F)
Max Temperature
12°C (54°F)
Chance of Rain
36%
Precipitation
69 mm (2.7 in)
Rainy days
11 days
Humidity
73% *
Windspeed
3 m/s (6 knots) *
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
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What to Wear in Glennallen in September
Pack for changing conditions in Glennallen in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days.What To Do in Glennallen in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Glennallen's climate page.
Temperature Rainfall Humidity Wind Speed
See the full Glennallen climate overview or explore weather in the United States of America.
