Anderson
United States · North America
Year-round range: 22°F to 83°F
September
Excellent conditions this month
Your monthly fit score
Comfort fit by month.
Climate details▼
Temperature
Average highs and lows.
September has comfortable temperatures — not too hot, not too cold.
Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.
| = SepPrecipitation
Monthly precipitation, wet-day risk, and snow signal where relevant.
September has moderate rainfall — occasional showers but mostly manageable.
Sunshine
Average hours of bright sun per day.
September is one of the sunniest months — great for outdoor plans.
Air comfort by month
Humidity and heat feel by month.
September is mostly comfortable — low heat and humidity pressure.
Time-of-day patterns
Typical hourly rhythm for September.
Temperature by hour
Temperature by hour and month
Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.
In September, afternoons reach about 76° and nights settle near 60°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity |
|---|---|---|---|---|---|---|
| Jan | 35°F | 22°F | 10 | 3.1in | 3.5h | 72.28571428571428% |
| Feb | 40°F | 24°F | 8 | 2.7in | 4.4h | 68.85714285714285% |
| Mar | 52°F | 34°F | 10 | 3.9in | 5.5h | 65.14285714285714% |
| Apr | 62°F | 44°F | 12 | 4.6in | 6.4h | 64.28571428571428% |
| May | 72°F | 54°F | 13 | 4.6in | 7.2h | 67.28571428571428% |
| Jun | 80°F | 63°F | 12 | 4.1in | 8.2h | 67.28571428571428% |
| Jul | 83°F | 67°F | 11 | 3.5in | 9h | 71.14285714285714% |
| Aug | 82°F | 65°F | 9 | 2.9in | 8.8h | 70.14285714285714% |
| Sep | 77°F | 59°F | 7 | 2.7in | 8.3h | 64.85714285714285% |
| Oct | 65°F | 48°F | 9 | 3.1in | 6.5h | 64.71428571428571% |
| Nov | 51°F | 37°F | 9 | 3.2in | 4.8h | 67.71428571428571% |
| Dec | 41°F | 28°F | 10 | 3.1in | 3.5h | 73.85714285714285% |