Timmins Weather in September (1981–2025)

📍 48.47°N, 81.33°W •
📊

September at a Glance in Timmins

(1981–2025)
Avg High
🔥
17.4°C
Avg Low
❄️
7.0°C
Avg Temp
🌡️
12.2°C
Avg Rain
🌧️
88 mm
Avg Humidity
💧
81%
Avg Wind
🌬️
0.3 m/s
Avg Solar
☀️
3.4
kWh/m²/day
vs Annual
📈
+10.6°C
temp difference
❄️Cool afternoons❄️Cold mornings☁️Cloudier skies🌧️Wet month🍃Light winds💦Humid air

Timmins September Weather Overview

September is one of the warmer months of the year in Timmins, with average highs near 17.4°C and lows around 7°C (mean 12.2°C). It is a relatively wet time of year, averaging 88 mm of rainfall and 81% relative humidity across the period.

Timmins September Temperature History (1981–2025)

Range

September is one of the warmer months of the year in Timmins. Across 45 years of records, the warmest September in Timmins was 2024 — when the month averaged 16.2°C — while the coldest was 1993 at 8.9°C. Typical September days reach 17.4°C with nights near 7°C. The long-term trend is warming, about 0.8°C per decade.

1981–1985 vs 2021–2025

Avg Temp11.1°C→14.1°C+3°C
Max Temp15.9°C→19.7°C+3.8°C
Min Temp6.3°C→8.5°C+2.2°C

Trend (per decade)

Avg Temp+0.8°C/decade ↗
Max Temp+0.9°C/decade ↗
Min Temp+0.6°C/decade ↗

Distribution of Avg Temp

8.0°C–10.3°C7 yr (16%)
10.3°C–12.5°C17 yr (38%)
12.5°C–14.8°C19 yr (42%)
14.8°C–17.0°C2 yr (4%)

Timmins September Rainfall History (1981–2025)

Range

September is a relatively wet time of year in Timmins, averaging 88 mm of rainfall. The wettest September on record was 1982 with 146 mm, while the driest was 2025 at 45 mm.

Timmins September Humidity History (1981–2025)

Range

Relative humidity in Timmins during September averages 81%. The most humid September was 1982 at 86%, and the least humid was 2024 at 75%.

Timmins September Solar History (1981–2025)

Range

September receives about 3.4 kWh/m²/day of solar energy in Timmins. The sunniest September was 2024 at 4 kWh/m²/day, and the cloudiest were 1990, 1992 and 2010 at 2.9.

Timmins September Wind History (1981–2025)

Range

Average wind speed in Timmins during September is 0.3 m/s. The windiest Septembers were 2022, 2023 and 2024, among others at 0.3 m/s, while the calmest were 2015, 2017 and 2025, among others at 0.2 m/s.

What September Feels Like in Timmins

🌅
Cold
Morning
🌞
Cool
Afternoon
🌆
Cold
Evening
Rain chanceModerate
Outdoor comfort★★★☆☆

How September Ranks in Timmins

🔥4th warmest month of the year
🌧️3rd wettest month of the year
☀️7th sunniest month of the year

Ranked against the other 11 months using 1981–2025 averages.

Explore Timmins Weather by Month

Timmins September Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp11.1°C11.1°C12.7°C12.9°C13.7°C+2.6°C
Avg High16.1°C16.2°C17.8°C18.3°C19.1°C+3°C
Avg Low6.2°C6.0°C7.5°C7.5°C8.2°C+2°C
Avg Rain94 mm95 mm91 mm83 mm70 mm-24 mm

Extreme September Records in Timmins

🔥Warmest September30.8°C2023
🧊Coldest September-5.0°C1981
🌧️Wettest September146 mm1982
🏜️Driest September45 mm2025
🌬️Windiest September0.3 m/s1981

Key Insights for September

✅

September temperatures in Timmins have risen by about 3°C between 1981–1985 and 2021–2025.

✅

September has ranged from a record low of -5°C (1981) to a record high of 30.8°C (2023).

✅

Rainfall in September is a relatively wet time of year, averaging 88 mm, with a wettest year of 146 mm.

✅

Daytime highs and overnight lows have shifted differently — highs rose about 0.9°C per decade while lows rose 0.6°C per decade, widening the gap between day and night.

Is September a Good Time to Visit Timmins?

One of the best times to visit Timmins

September is one of the best times to visit Timmins. Expect days averaging 17.4°C and nights around 7°C (mean 12.2°C) — warmer than Timmins's yearly average — with higher rainfall (88 mm), so conditions are generally comfortable for sightseeing and outdoor plans.

See Timmins's complete weather history All 12 months side by side, 1981–2025 records, annual trends and long-term averages in one place. View full history →

Timmins Weather in September — In Depth

☀️ September climate overview

September is one of the warmer months of the year in Timmins, with average highs near 17.4°C and lows around 7°C (mean 12.2°C). It is a relatively wet time of year, averaging 88 mm of rainfall and 81% relative humidity across the period.

🌧️ Rain, humidity & wind in September

September averages 88 mm of rainfall in Timmins, a relatively wet time of year compared with the rest of the year. The wettest September on record saw 146 mm (1982), and the driest just 45 mm (2025). Humidity sits around 81% and average wind speed is 0.3 m/s, with solar radiation averaging 3.4 kWh/m²/day.

📈 How September has changed

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 3°C. Daytime highs moved from 15.9°C to 19.7°C and overnight lows from 6.3°C to 8.5°C over the same span.
September Weather in Timmins, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202519.6°C14.0°C8.3°C26.7°C1.8°C45 mm78%0.2 m/s3.6
2024 🔥22.2°C16.2°C10.1°C29.5°C4.1°C67 mm75%0.3 m/s4
202320.1°C14.2°C8.3°C30.8°C1.1°C83 mm80%0.3 m/s3.8
202218.5°C13.2°C7.9°C28.1°C0.6°C85 mm78%0.3 m/s3.4
202118.3°C13.0°C7.8°C27.4°C2.7°C65 mm78%0.3 m/s3
202016.0°C11.4°C6.7°C21.0°C-1.6°C73 mm79%0.3 m/s3.1
201917.5°C12.6°C7.8°C26.5°C1.1°C90 mm80%0.3 m/s3
201818.9°C13.0°C7.1°C27.9°C-1.5°C88 mm77%0.3 m/s3.6
201720.2°C14.7°C9.2°C29.2°C2.3°C52 mm81%0.2 m/s3.5
201619.8°C14.3°C8.8°C26.9°C2.0°C82 mm79%0.3 m/s3.6
201521.2°C15.6°C10.0°C29.4°C-0.5°C52 mm78%0.2 m/s3.8
201416.1°C10.9°C5.8°C24.6°C-2.7°C116 mm84%0.3 m/s3.2
201317.6°C12.0°C6.3°C23.3°C-0.8°C73 mm80%0.3 m/s3.7
201216.9°C11.8°C6.6°C27.9°C0.1°C79 mm77%0.3 m/s3.3
201119.1°C13.2°C7.3°C30.1°C0.0°C66 mm76%0.3 m/s3.7
201015.8°C11.2°C6.5°C25.8°C2.5°C137 mm81%0.3 m/s2.9
200918.6°C13.4°C8.1°C24.4°C0.2°C58 mm83%0.2 m/s3.7
200817.0°C11.5°C6.1°C27.6°C-1.6°C63 mm81%0.2 m/s3.7
200718.8°C13.3°C7.8°C27.6°C1.7°C76 mm78%0.3 m/s3.2
200616.4°C10.9°C5.4°C26.1°C0.8°C107 mm80%0.3 m/s3.3
200519.6°C14.1°C8.6°C28.9°C2.2°C88 mm77%0.3 m/s3.7
200419.4°C14.1°C8.8°C25.4°C2.0°C46 mm83%0.3 m/s3.6
200317.1°C12.7°C8.4°C25.5°C-0.7°C134 mm86%0.2 m/s3.2
200219.3°C14.3°C9.3°C30.2°C0.0°C133 mm83%0.2 m/s3.4
200116.5°C12.0°C7.5°C28.1°C2.2°C116 mm84%0.2 m/s3
200015.5°C10.5°C5.5°C23.5°C-4.8°C91 mm83%0.3 m/s3.2
199918.0°C13.1°C8.2°C28.0°C0.7°C94 mm81%0.3 m/s3.4
199816.6°C11.9°C7.1°C26.4°C0.2°C120 mm84%0.2 m/s3.2
199716.6°C11.6°C6.6°C23.2°C-1.5°C87 mm81%0.3 m/s3.4
199618.6°C13.4°C8.1°C27.4°C-0.5°C63 mm80%0.3 m/s3.6
199514.6°C9.3°C4.0°C23.5°C-2.2°C81 mm81%0.3 m/s3.3
199417.0°C12.1°C7.2°C24.1°C-0.1°C79 mm85%0.2 m/s3.4
1993 ❄️14.0°C8.9°C3.8°C21.3°C-3.5°C97 mm82%0.3 m/s3.1
199216.4°C10.9°C5.4°C22.0°C-3.7°C130 mm82%0.3 m/s2.9
199115.1°C10.1°C5.1°C24.6°C-2.8°C112 mm82%0.3 m/s3.4
199014.9°C9.9°C4.8°C26.0°C-1.4°C90 mm84%0.2 m/s2.9
198917.4°C11.8°C6.3°C25.6°C-4.2°C57 mm81%0.3 m/s3.7
198816.1°C11.3°C6.4°C25.0°C1.3°C100 mm84%0.3 m/s3.3
198717.6°C12.5°C7.5°C24.6°C-0.9°C76 mm81%0.2 m/s3.5
198614.2°C9.3°C4.5°C23.2°C-0.2°C83 mm83%0.3 m/s3.2
198516.5°C11.6°C6.6°C26.6°C1.4°C102 mm82%0.2 m/s3.4
198414.2°C9.5°C4.8°C23.7°C-0.7°C92 mm83%0.2 m/s3.5
198317.8°C13.2°C8.7°C27.4°C1.5°C122 mm85%0.3 m/s—
1982 🌧️15.8°C11.1°C6.4°C27.9°C0.7°C146 mm86%0.2 m/s—
198115.0°C10.0°C4.9°C25.8°C-5.0°C67 mm82%0.3 m/s—

Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.

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Timmins September Weather — FAQ

What is the average temperature in Timmins in September?▼

The average high in September is around 17.4°C with lows near 7°C (mean 12.2°C), based on 45 years of NASA POWER data.

Does it rain a lot in Timmins in September?▼

September averages 88 mm of rainfall in Timmins, a relatively wet time of year. The wettest on record was 146 mm in 1982.

What was the hottest September on record in Timmins?▼

The hottest September reached 30.8°C in 2023. The coldest dipped to -5°C in 1981.

Has September in Timmins gotten warmer over time?▼

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 3°C. Daytime highs moved from 15.9°C to 19.7°C and overnight lows from 6.3°C to 8.5°C over the same span.

Is September a good time to visit Timmins?▼

September is one of the warmer months of the year in Timmins and a relatively wet time of year, so plan for around 17.4°C daytime highs and 7°C at night.

Is September the coldest month in Timmins?▼

Not quite — September is the 9th coolest month in Timmins, averaging 12.2°C.

What should I pack for Timmins in September?▼

For September in Timmins, pack warm layers and a jacket for chilly mornings, with typical highs of 17.4°C and lows of 7°C. Bring an umbrella or light rain jacket too.

Is Timmins humid in September?▼

Relative humidity in September averages 81% — quite humid.

How windy is Timmins in September?▼

Average wind speed in September is 0.3 m/s. The windiest September on record averaged 0.3 m/s (1981).

Which September had the most rainfall in Timmins?▼

The wettest September on record was 1982 with 146 mm. On average, September sees 88 mm.

Where does this September weather data come from?▼

All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.

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Explore how the weather in Timmins behaves each September, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for September specifically, along with year-by-year records and how the month has changed over the decades.