Buffalo weather in September 2025

Expect 21°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Buffalo in September. Check more long-term weather averages for Buffalo in September before you book your next holiday to New York in 2025/2026.

  • 21°C maximum daytime temperature in September in Buffalo21
    21°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in September in Buffalo11
    11 days with some rainfall
  • 12°C minimum night-time temperature in September in Buffalo12
    12°C min night temperature
  • 12 hours of daylight per day in September in Buffalo12
    12 hours of daylight per day
  • No heat & humidity in September in Buffalo0
    No heat & humidity
  • 95 mm monthly rainfall in September in Buffalo95
    95 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Buffalo6
    6 (High) UV index
  • 19°C sea temperature in September in Buffalo19
    19°C sea temperature

More about Buffalo

Buffalo by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for New York

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost

TUITUI deal finder

The September weather guide for New York (Buffalo) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about New York

How hot is it in Buffalo in September?

Daytime temperatures usually reach 21°C in Buffalo in September, falling to 12°C at night.

How sunny is it in Buffalo in September?

There are normally 7 hours of bright sunshine each day in Buffalo in September - that's 53% of daylight hours.

How warm is the sea around Buffalo in September?

The average sea temperature around Buffalo in September is 19°C.

Does it rain in Buffalo in September?

There are usually 11 days with some rain in Buffalo in September and the average monthly rainfall is 95mm.

Buffalo September sunrise & sunset times

Browse the sunrise and sunset times for Buffalo in September 2025. Select a month to view Buffalo sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:40 18:49
Monday, 15th September 2025 05:55 18:25
Tuesday, 30th September 2025 06:12 17:58

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^