When to go
Lazio in September
Across the 61 Lazio towns we hold, September averages 25 degrees by day and 16 at night, with about 10 days of rain. The sea off the 11 coastal towns sits around 25 degrees. Measured 2020–2024.
Where to go in September
Picked by a rule, not by mood: the weather in the comfortable band, our own editorial verdict on the town, a festival that month, and a sea worth swimming in. The reason is printed under each one.

Anagni
Province: Frosinone · 424 m
Averages 26 degrees with about 8 rain days. We list it as best in Apr–Oct. Sagra della Pasta a Tufano di Anagni falls this month.
Ponza
Province: Latina · 5 m
Averages 25 degrees with about 7 rain days. We list it as best in May–Jun, Sep. The sea is around 25 degrees.
Ventotene
Province: Latina · 18 m
Averages 25 degrees with about 8 rain days. We list it as best in May–Sep. The sea is around 26 degrees.
San Felice Circeo
Province: Latina · 100 m
Averages 26 degrees with about 9 rain days. We list it as best in May–Sep. The sea is around 25 degrees.
Minturno
Province: Latina · 140 m
Averages 26 degrees with about 9 rain days. We list it as best in May–Sep. The sea is around 26 degrees.
Arpino
Province: Frosinone · 450 m
Averages 25 degrees with about 8 rain days. We list it as best in Apr–Oct.
Collalto Sabino
Province: Rieti · 980 m
Averages 22 degrees with about 8 rain days. We list it as best in May–Oct.
Bassano in Teverina
Province: Viterbo · 304 m
Averages 27 degrees with about 9 rain days. We list it as best in Apr–Oct.
Bomarzo
Province: Viterbo · 263 m
Averages 27 degrees with about 9 rain days. We list it as best in Apr–Oct.
Montefiascone
Province: Viterbo · 590 m
Averages 24 degrees with about 9 rain days. We list it as best in Apr–Oct.
What is on in September
16 festivals we hold a source for. Recurring events, so the month is the promise and the exact dates are the comune’s to publish.
- Sagra della Pasta a Tufano di AnagniAnagni
- Festa di SettembreAnguillara Sabazia
- Sagra del FungoBracciano
- Hazelnut FestivalCaprarola
- Sagra della NocciolaCaprarola
- Sagra Degli Gnocchi A Castelnuovo Di PortoCastelnuovo di Porto
- Sagra della SalsicciaCerveteri
- Borgo diVino in tourNemi
- Oriolo Romano Porcini Mushroom FestivalOriolo Romano
- Sagra del Fungo PorcinoOriolo Romano
- Ottava de Santo EgidioRieti
- Festeggiamenti in onore di Santa Dolcissima e San LiberatoSutri
- Festa del Fungo Porcino e Fiera dell'AgricolturaVelletri
- Festa dell'Uva e dei Vini di VelletriVelletri
- Festa della Madonna della CaritàVelletri
- Porcini Mushroom Festival VelletriVelletri
