30YearWeather
Juneau, September 24
Juneau street view during September
Historical Weather Analysis

Juneau Weather on September 24 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

thunderstorm

11.8°C

High

7.6°C

Low

77%

Rain

🌤️ Feels like 11°C (wind chill)

thunderstorm
PROBABLY NOT

Historical data suggests significant rain risk (77%) on September 24. If you seek sun, consider a different date. Bring rain gear! Lower tourist interest in Juneau right now translates to better deals and a more local feel.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Juneau Weather Forecast for September 24

"Rainy & Overcast. Expect average highs of 11.8°C. 77% chance of rain."

What to Wear in Juneau in September

Based on historical data for September 24, Juneau typically experiences temperatures between 7.6°C and 11.8°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 77% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Juneau

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves
  • Umbrella

Average High

extreme-hot

11.8°C

Daytime Peak

Average Low

extreme-cold

7.6°C

Nighttime Low

Feels Like

partly-cloudy-day

11°C

🌤️ Feels accurate

Rain Chance

rain

77%

Avg 12.9mm if it rains

Cloud Cover

cloudy

89%

Moderate rain

Pressure

pressure

1008.4 hPa

High volatility

Juneau Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

94%Highly Predictable

Based on 10 years of data

Temperature
±1.4°CStable
Precipitation
39-116%Moderate

🎯 This date historically delivers consistent weather 94% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

1.2Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 67 min to burn

Type III-IV

🟡 101 min to burn

Type V-VI

🟢 168 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

53Moderate
TemperatureCool
HumidityMuggy
WindLight Breeze

Dew Point

10.2°C

Pleasant

Heat Stress

Low

No heat warning

😐 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in United States

Flight Traffic

Quiet

26/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~15

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Juneau

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:48

☀️ Noon

11:50

🌇 Sunset

17:53

⏱️ Daylight

12h 5m

Golden Hour
Morning05:48 - 06:40
17:01 - 17:53Evening

Wind Speed

wind

12 km/h

Gentle breeze

Sunshine

clear-day

3.7 hrs

Direct Sun (Cloud-free)

Humidity

humidity

90%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Juneau

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Juneau

Travel Comfort Index

Real-time tourism conditions

Weather Quality

🌧️ Variable

38/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

40Score
Atmospheric Pressure1008.4 hPa
Volatility:High
Migraine RiskHigh

Rapid pressure changes detected. High risk for meteosensitive people.

Joint Pain RiskHigh

Low pressure & humidity may aggravate joints.

Fishing IndexExcellent

Fish are active due to pressure changes.

Air Quality Forecast
38AQI
Good
PM2.5 Concentration0.3 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):3
In Sep (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Juneau on September 24 averages 11.8°C with a 77% precipitation probability. Wedding/Outdoor Event Score: 40/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Juneau Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2017
12.9°C
Coldest
2021
5.7°C
Rainiest
2016
35.0mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (September 24) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Juneau Worth Visiting on September 24?

Planning a trip to Juneau on September 24? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 11.8°C with a 77% historical precipitation risk.

✈️ Travel Logistics: Approximately 15 landing slots available daily during this period, indicating manageable crowd levels.

📊 Historical Extremes: The hottest September 24 recorded in the last 30 years saw temperatures hit 12.9°C in 2017, while the coldest dropped to 5.7°C in 2021.

Juneau Weather FAQ