When to go · Castel Gandolfo
Castel Gandolfo in September
Great month. Inside Castel Gandolfo's best window: Apr–Jun, Sep–Oct.
Key facts
- Verdict
- Great
- Temperature
- 28°C (82°F)82°F (28°C) / 16°C (61°F)61°F (16°C)
- average high / low
- Rain days
- 5
- Crowds
- High
- Italy overall
- Prices
- High
- Italy overall
Verdict
Inside Castel Gandolfo's best window: Apr–Jun, Sep–Oct.
Is another month better than September?
No other month rates higher than September for Castel Gandolfo in this guide.
Weather in September
- Castel GandolfoHighs around 28 °C (82 °F), lows around 16 °C (61 °F), rain on about 5 daysHighs around 82 °F (28 °C), lows around 61 °F (16 °C), rain on about 5 days
Crowds and prices
- Crowds · Italy overall
- High
- Prices · Italy overall
- High
Italy overall: Warm sea, grape harvest, cities reopen; Venice Film Festival early in the month; one of the best months overall.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Castel Gandolfo, side by side.
Verdict
Sep: Great
Apr: Great
Daytime high
Sep: 28 °C (82 °F)82 °F (28 °C)
Apr: 22 °C (72 °F)72 °F (22 °C)
Night low
Sep: 16 °C (61 °F)61 °F (16 °C)
Apr: 9 °C (48 °F)48 °F (9 °C)
Rain days
Sep: 5 (better)
Apr: 6
Crowds
Sep: High
Apr: High
Prices
Sep: High
Apr: High
Festivals listed
Sep: 0
Apr: 1
September: Inside Castel Gandolfo's best window: Apr–Jun, Sep–Oct.
April: Inside Castel Gandolfo's best window: Apr–Jun, Sep–Oct.
Castel Gandolfo: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.