September 2026 FIRE Budget: Back Under 4%

withdrawal rate graph

Full budget series

This month’s 3.97% withdrawal rate provided some reassurance that our FIRE budget is realistic and sustainable. We really needed this after last month’s 4.59% withdrawal rate, where we also depleted and overran our uncategorized sinking fund.

Income

4% Withdrawal: $4,511.08

Expenses

Total: $4,476.91 Withdrawal Rate: 3.97%

Grocery Store$915.51Our groceries finally settled down under the $927 projection we were targeting
Uncategorized$500.00Sinking fund
Discretionary$500.00Sinking fund
House Escrow$450.39Sinking fund: property taxes $3,428.62/year, insurance $1,976/year
Auto/Umbrella Escrow$288.46Sinking fund: $2335/year auto ins, $677/year umb., $350/year registration, $99.50/year AAA.
Health/Dental Ins. Premium$253.78$165.78 health, $79 dental, $9 vision
Water/HOA$250.92
Clothes$200.00Sinking fund
Taxes including Roth Conversion$134.33Sinking fund: $6012 total taxes, minus $4400 child tax credit
Gifts$120.00Sinking fund
Car Replacement$115.55Invested sinking fund: Allows a $20K inflation-adjusted purchase every 10 years. That plus the trade-in value will get a decent new car.
Natural Gas (Xcel)$30.70
Electric (CORE)$145.88
Life Insurance$99.81
Phone$93.35Three lines (Google FI) plus LTE for BC’s Fitbit Ace
Internet (Xfinity)$60.00
Gym Fund$54.16Sinking fund: Peloton + Rec Center
Giving$123.65Sponsored child and some donations to the school
Gas$58.47One tank in the Crosstrek lasted the whole month
SimpliSafe$32.99
Amazon Prime$12.17Sinking fund
Cloud Storage$2.99
Virtual mailbox$13.00This is our PostScan Mail virtual mailbox that we will cancel at some point
Kids’ investing$20.80Portion of kids’ earnings around the house that goes to their investment accounts
AC Braces$0 because paid with HSA
HSA ending balance: $42,996.88
$4,709.00 – Braces for AC paid in full

$132.00 – teeth cleanings, braces consultation at places we didn’t select

Analysis

The 3.97% withdrawal rate brings us to a running average withdrawal rate of 4.11% since returning to the US, July through September.

AC’s braces, while sitting outside the budget as an HSA expense, still stung a bit. My hope is that the HSA is big enough that with growth, it will last forever. Spending $4,709 in the early months of FIRE doesn’t help that cause. It does, however, feel good being able to do that for AC. That’s one kid’s braces out of the way, with one to go.

Uncategorized spending was very manageable this month. We didn’t just avoid surprises; we had plenty and still had room to spare. These included $211.16 in school supplies and fees, and $104.23 with BC spending some of his deferred chore earnings. Despite those and some other miscellaneous expenses, we still saved $114.77 into the sinking fund.

October should be a cheaper month, with little need for air conditioning or heat. The kids are settled into school, so we’re also looking forward to a break from supplies and fees. It’s a good chance to bring down our running withdrawal rate.


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