September 11 is statistically one of the best days of the year in Arusha. With minimal rain risk (5%) and pleasant highs of 25°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Arusha right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Arusha
Currency
TZS
Sh Tanzanian shilling
Language
English
+1 more
Driving
Left side
Safety
Moderate Safety
GPI: 2.001
Arusha Weather Forecast for September 11
"Warm & Sunny. Expect average highs of 25.1°C. 5% chance of rain."
What to Wear in Arusha in September
Based on historical data for September 11, Arusha typically experiences temperatures between 14.4°C and 25.1°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (5% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Arusha
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
25.1°C
Daytime Peak
Average Low
14.4°C
Nighttime Low
Feels Like
25.7°C
☀️ Feels accurate
Rain Chance
5%
Avg 0.2mm if it rains
Cloud Cover
51%
Overcast
Pressure
1017 hPa
Low volatility
Arusha Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 88% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 18 min to burn
Type III-IV
🟡 27 min to burn
Type V-VI
🟢 45 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
18°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Tanzania
Flight Traffic
High
84/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~43
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Arusha
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:29
☀️ Noon
12:31
🌇 Sunset
18:33
⏱️ Daylight
12h 4m
Wind Speed
16.4 km/h
Gentle breeze
Sunshine
10.2 hrs
Direct Sun (Cloud-free)
Humidity
65%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Arusha
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Arusha
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Moderate seismic activity. Occasional tremors possible.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Arusha on September 11 averages 25.1°C with a 5% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Arusha Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (September 11) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Arusha Worth Visiting on September 11?
Planning a trip to Arusha on September 11? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 25.1°C with a 5% historical precipitation risk.
✈️ Travel Logistics: Approximately 43 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 10 vaccinations are recommended for Tanzania, including COVID-19.
📊 Historical Extremes: The hottest September 11 recorded in the last 30 years saw temperatures hit 26.4°C in 2024, while the coldest dropped to 13.9°C in 2021.