When to go · Smithtown
Smithtown in September
Great month. Inside Smithtown's best window: Apr–Oct.
Key facts
- Verdict
- Great
- Temperature
- 25°C (77°F)77°F (25°C) / 16°C (61°F)61°F (16°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Smithtown's best window: Apr–Oct.
Is another month better than September?
No other month rates higher than September for Smithtown in this guide.
Weather in September
- SmithtownHighs around 25 °C (77 °F), lows around 16 °C (61 °F), rain on about 9 daysHighs around 77 °F (25 °C), lows around 61 °F (16 °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 Smithtown, side by side.
Verdict
Sep: Great
Apr: Great
Daytime high
Sep: 25 °C (77 °F)77 °F (25 °C)
Apr: 16 °C (61 °F)61 °F (16 °C)
Night low
Sep: 16 °C (61 °F)61 °F (16 °C)
Apr: 7 °C (45 °F)45 °F (7 °C)
Rain days
Sep: 9
Apr: 9
Crowds
Sep: Medium
Apr: Medium
Prices
Sep: Medium
Apr: Medium
Festivals listed
Sep: 1
Apr: 1
September: Inside Smithtown's best window: Apr–Oct.
April: Inside Smithtown's best window: Apr–Oct.
Smithtown: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.