Early autumn · Weather & things to do
Catalina Foothills in September
Catalina Foothills edges cooler than August, with highs of 94°F (34°C), lows of 69°F (20°C) and about 1.3 in (34 mm) of rain.
Our comfort score puts it mid-table at 71/100, 9th of 12.
- Avg high
- 94°F (34°C)
- Avg low
- 69°F (20°C)
- Rain
- 1.3 in (34 mm)
- Humidity
- 43%
- Cloud cover
- 30%
- Daylight
- ~12 h 11 min
- Comfort score
- 71/100 · Good
What September feels like
Expect proper heat: afternoons average 94°F (34°C), so plan walking and hiking for the morning and save midday for shade, lunch or a swim.
There's a big swing between day and night, about 14°C (25°F), so mornings and evenings feel much cooler than the afternoon.
Rain is moderate at about 1.3 in (34 mm) for the month.
Sunny spells dominate: cloud cover averages 30%.
Plan around September
September sits mid-table; the best months are November – April.
- Inside the wettest three-month stretch, July – September.
- Comfort improves from 56/100 in August to 71/100.
- Our Tucson New Year's Eve route is planned for Dec 30 – Jan 1, a window set by the holiday season rather than the weather — September falls outside it.
What to pack for September
- Light, breathable clothes94°F afternoons
- Sunscreen, sunglasses and a hathigh UV on clear days
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningslows near 69°F
- Comfortable walking shoesmost picks involve some walking
What to do in Catalina Foothills in September
Start early and take shelter at midday: the picks below pair morning outings with places to cool off.
Blue Willow
A long-running breakfast and lunch spot on Campbell Avenue with a shaded patio.
Why now September scores 71/100 for comfort, good conditions for being outside.
Tohono Chul
A desert botanical garden in the northwest Foothills with shaded walking paths, art galleries and a bistro.
Why now Highs near 94°F and 1.3 in of monthly rain make this an easy outdoor pick.
Sabino Canyon
A desert canyon with a year-round creek, cottonwoods and saguaro slopes; an electric shuttle runs up the canyon road.
Why now One to do outside while the weather is on your side.
Hacienda del Sol
A 1929 hillside guest ranch whose Grill serves brunch with city views; it hosts a New Year's Eve dinner and dance.
Why now A break from 94°F afternoons.
Nearby in September
- Downtown Tucson in September~7 mi · highs 95°F, 1.6 in rain · similar daytime temperatures, about as wet
- Papago Park & Camelback in September~101 mi · highs 100°F, 0.9 in rain · 4°C (6°F) warmer by day, about as wet
- Phoenix in September~106 mi · highs 101°F, 0.9 in rain · 4°C (7°F) warmer by day, about as wet
- Sedona in September~185 mi · highs 86°F, 1.5 in rain · 4°C (8°F) cooler by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~1,178 m to Catalina Foothills's ~831 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Catalina Foothills in September: quick answers
Is September a good time to visit Catalina Foothills?
It's middling, scoring 71/100. The best months are November – April, at up to 100. Expect highs of 94°F (34°C) and 1.3 in (34 mm) of rain.
How hot is Catalina Foothills in September?
Average highs are 94°F (34°C) and average lows 69°F (20°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Catalina Foothills in September?
Not much: about 1.3 in (34 mm) of rain falls across September on average, the 3rd-wettest month of the year. The annual total is about 12.0 in (305 mm).
What should I pack for Catalina Foothills in September?
Bring light, breathable clothes (94°F afternoons), sunscreen, sunglasses and a hat (high UV on clear days), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (lows near 69°F) and comfortable walking shoes (most picks involve some walking).
More on Catalina Foothills
Planning Catalina Foothills in September?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.