Nīca Weather in September

September in Nīca sees daytime temperatures around 18°C (64°F) and lows of 11°C (52°F) at night. With around 75 mm (3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Nīca in September

Climate statistics over the past 30 years suggest around 16 days of rain, with 75 mm (3 in) average for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Nīca in September

Expect highs of 18°C (64°F) in Nīca in September, with nights dropping to around 11°C (52°F). Conditions are often most pleasant around the middle of the day. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Nīca in September

The month brings about 173 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Nīca in September

Wind speeds average 5 m/s (10 knots) during September. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Nīca.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Latvia, check out our Nīca's climate page.

Nīca Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 53%  

Precipitation 75 mm (3 in)  

Rainy days 16 days  

Humidity 76% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 173 hours *  

Percentage Sunshine 47% *  

* Data from: Liepāja, Latvia (22 KM, 14 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Nīca typically drop from around 19°C (66°F) at the start of September to approximately 15°C (59°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 12°C (54°F).

Average temperatures in September

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

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

‹ January February March April May June July August September October November December ›

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

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

‹ January February March April May June July August September October November December ›

Historical weather for Nīca in September

Browse day-by-day weather records for Nīca spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Nīca historical weather extremes in September

Based on 49 years of weather observations in Nīca between 1976 and 2025, these are the recorded extremes.

• The warmest day in September was on September 1, 2019, with a maximum of 29°C (84°F).
• The coldest September day was on September 30, 1993, with a maximum of 7°C (45°F).
• Nighttime temperatures dropped to -2°C (28°F) on September 30, 1976, marking the coldest September night on record.
• The heaviest September precipitation occurred on September 9, 2001, when 48 mm (1.9 in) of precipitation fell.

What to Wear in Nīca in September

For Nīca in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Nīca in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Latvia, check out our Nīca's climate page.

More climate data for Nīca

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Nīca climate overview or explore weather in Latvia.