When to go · Highland Park, Illinois
Highland Park, Illinois in September
Good month. Outside the best window (Jun–Aug (festival season, warm beach weather)). Across United States: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.
Key facts
- Verdict
- Good
- Temperature
- 27°C (81°F)81°F (27°C) / 15°C (59°F)59°F (15°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Outside the best window (Jun–Aug (festival season, warm beach weather)). Across United States: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.
Is another month better than September?
September is rated good. These months rate higher:
- JuneGreatInside Highland Park, Illinois's best window: Jun–Aug (festival season, warm beach weather).
- JulyGreatInside Highland Park, Illinois's best window: Jun–Aug (festival season, warm beach weather).
- AugustGreatInside Highland Park, Illinois's best window: Jun–Aug (festival season, warm beach weather).
Weather in September
- Highland Park, IllinoisHighs around 27 °C (81 °F), lows around 15 °C (59 °F), rain on about 9 daysHighs around 81 °F (27 °C), lows around 59 °F (15 °C), rain on about 9 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Labor Day big impact
1st Monday of September · United States
End of summer; last big road-trip weekend.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.
Compare two months
Weather, crowds and prices for any two months in Highland Park, Illinois, side by side.
Verdict
Sep: Good
Jun: Great (better)
Daytime high
Sep: 27 °C (81 °F)81 °F (27 °C)
Jun: 29 °C (84 °F)84 °F (29 °C)
Night low
Sep: 15 °C (59 °F)59 °F (15 °C)
Jun: 16 °C (61 °F)61 °F (16 °C)
Rain days
Sep: 9
Jun: 9
Crowds
Sep: Medium
Jun: High
Prices
Sep: Medium
Jun: High
Festivals listed
Sep: 1
Jun: 0
September: Outside the best window (Jun–Aug (festival season, warm beach weather)). Across United States: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.
June: Inside Highland Park, Illinois's best window: Jun–Aug (festival season, warm beach weather).
Highland Park, Illinois: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.